feat: 노트 게시를 예약할 수 있음 (yojo-art/cherrypick#483, [Type4ny-Project/Type4ny@271c872c](https://github.com/Type4ny-Project/Type4ny/commit/271c872c97f215ef5d8e0be62251dd422a52e5b1))

37 files changed, 1441 insertions, 6 deletions

diff --git a/packages/backend/migration/1699437894737-scheduleNote.js b/packages/backend/migration/1699437894737-scheduleNote.js
new file mode 100644
index 0000000000..28dc290f25
--- /dev/null
+++ b/packages/backend/migration/1699437894737-scheduleNote.js
@@ -0,0 +1,17 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and misskey-project
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+export class ScheduleNote1699437894737 {
+    name = 'ScheduleNote1699437894737'
+
+    async up(queryRunner) {
+        await queryRunner.query(`CREATE TABLE "note_schedule" ("id" character varying(32) NOT NULL, "note" jsonb NOT NULL, "userId" character varying(260) NOT NULL, "scheduledAt" TIMESTAMP WITH TIME ZONE NOT NULL, CONSTRAINT "PK_3a1ae2db41988f4994268218436" PRIMARY KEY ("id"))`);
+        await queryRunner.query(`CREATE INDEX "IDX_e798958c40009bf0cdef4f28b5" ON "note_schedule" ("userId") `);
+		}
+
+    async down(queryRunner) {
+        await queryRunner.query(`DROP TABLE "note_schedule"`);
+    }
+}
diff --git a/packages/backend/src/core/QueueModule.ts b/packages/backend/src/core/QueueModule.ts
index b10b8e5899..6dd48927c1 100644
--- a/packages/backend/src/core/QueueModule.ts
+++ b/packages/backend/src/core/QueueModule.ts
@@ -16,6 +16,7 @@ import {
 	RelationshipJobData,
 	UserWebhookDeliverJobData,
 	SystemWebhookDeliverJobData,
+	ScheduleNotePostJobData,
 } from '../queue/types.js';
 import type { Provider } from '@nestjs/common';
 
@@ -28,6 +29,7 @@ export type RelationshipQueue = Bull.Queue<RelationshipJobData>;
 export type ObjectStorageQueue = Bull.Queue;
 export type UserWebhookDeliverQueue = Bull.Queue<UserWebhookDeliverJobData>;
 export type SystemWebhookDeliverQueue = Bull.Queue<SystemWebhookDeliverJobData>;
+export type ScheduleNotePostQueue = Bull.Queue<ScheduleNotePostJobData>;
 
 const $system: Provider = {
 	provide: 'queue:system',
@@ -83,6 +85,12 @@ const $systemWebhookDeliver: Provider = {
 	inject: [DI.config],
 };
 
+const $scheduleNotePost: Provider = {
+	provide: 'queue:scheduleNotePost',
+	useFactory: (config: Config) => new Bull.Queue(QUEUE.SCHEDULE_NOTE_POST, baseQueueOptions(config, QUEUE.SCHEDULE_NOTE_POST)),
+	inject: [DI.config],
+};
+
 @Module({
 	imports: [
 	],
@@ -96,6 +104,7 @@ const $systemWebhookDeliver: Provider = {
 		$objectStorage,
 		$userWebhookDeliver,
 		$systemWebhookDeliver,
+		$scheduleNotePost,
 	],
 	exports: [
 		$system,
@@ -107,6 +116,7 @@ const $systemWebhookDeliver: Provider = {
 		$objectStorage,
 		$userWebhookDeliver,
 		$systemWebhookDeliver,
+		$scheduleNotePost,
 	],
 })
 export class QueueModule implements OnApplicationShutdown {
@@ -120,6 +130,7 @@ export class QueueModule implements OnApplicationShutdown {
 		@Inject('queue:objectStorage') public objectStorageQueue: ObjectStorageQueue,
 		@Inject('queue:userWebhookDeliver') public userWebhookDeliverQueue: UserWebhookDeliverQueue,
 		@Inject('queue:systemWebhookDeliver') public systemWebhookDeliverQueue: SystemWebhookDeliverQueue,
+		@Inject('queue:scheduleNotePost') public scheduleNotePostQueue: ScheduleNotePostQueue,
 	) {}
 
 	public async dispose(): Promise<void> {
@@ -136,6 +147,7 @@ export class QueueModule implements OnApplicationShutdown {
 			this.objectStorageQueue.close(),
 			this.userWebhookDeliverQueue.close(),
 			this.systemWebhookDeliverQueue.close(),
+			this.scheduleNotePostQueue.close(),
 		]);
 	}
 
diff --git a/packages/backend/src/core/QueueService.ts b/packages/backend/src/core/QueueService.ts
index dc13aa21bf..d9d282a168 100644
--- a/packages/backend/src/core/QueueService.ts
+++ b/packages/backend/src/core/QueueService.ts
@@ -32,6 +32,7 @@ import type {
 	SystemQueue,
 	UserWebhookDeliverQueue,
 	SystemWebhookDeliverQueue,
+	ScheduleNotePostQueue,
 } from './QueueModule.js';
 import type httpSignature from '@peertube/http-signature';
 import type * as Bull from 'bullmq';
@@ -52,6 +53,7 @@ export class QueueService {
 		@Inject('queue:objectStorage') public objectStorageQueue: ObjectStorageQueue,
 		@Inject('queue:userWebhookDeliver') public userWebhookDeliverQueue: UserWebhookDeliverQueue,
 		@Inject('queue:systemWebhookDeliver') public systemWebhookDeliverQueue: SystemWebhookDeliverQueue,
+		@Inject('queue:scheduleNotePost') public ScheduleNotePostQueue: ScheduleNotePostQueue,
 	) {
 		this.systemQueue.add('tickCharts', {
 		}, {
diff --git a/packages/backend/src/core/RoleService.ts b/packages/backend/src/core/RoleService.ts
index 64f7539031..5651b04ac2 100644
--- a/packages/backend/src/core/RoleService.ts
+++ b/packages/backend/src/core/RoleService.ts
@@ -36,6 +36,7 @@ export type RolePolicies = {
 	ltlAvailable: boolean;
 	btlAvailable: boolean;
 	canPublicNote: boolean;
+	scheduleNoteMax: number;
 	mentionLimit: number;
 	canInvite: boolean;
 	inviteLimit: number;
@@ -72,6 +73,7 @@ export const DEFAULT_POLICIES: RolePolicies = {
 	ltlAvailable: true,
 	btlAvailable: false,
 	canPublicNote: true,
+	scheduleNoteMax: 5,
 	mentionLimit: 20,
 	canInvite: false,
 	inviteLimit: 0,
@@ -377,6 +379,7 @@ export class RoleService implements OnApplicationShutdown, OnModuleInit {
 			btlAvailable: calc('btlAvailable', vs => vs.some(v => v === true)),
 			ltlAvailable: calc('ltlAvailable', vs => vs.some(v => v === true)),
 			canPublicNote: calc('canPublicNote', vs => vs.some(v => v === true)),
+			scheduleNoteMax: calc('scheduleNoteMax', vs => Math.max(...vs)),
 			mentionLimit: calc('mentionLimit', vs => Math.max(...vs)),
 			canInvite: calc('canInvite', vs => vs.some(v => v === true)),
 			inviteLimit: calc('inviteLimit', vs => Math.max(...vs)),
diff --git a/packages/backend/src/di-symbols.ts b/packages/backend/src/di-symbols.ts
index 5ea500ac77..296cc4815b 100644
--- a/packages/backend/src/di-symbols.ts
+++ b/packages/backend/src/di-symbols.ts
@@ -86,5 +86,6 @@ export const DI = {
 	noteEditRepository: Symbol('noteEditRepository'),
 	bubbleGameRecordsRepository: Symbol('bubbleGameRecordsRepository'),
 	reversiGamesRepository: Symbol('reversiGamesRepository'),
+	noteScheduleRepository: Symbol('noteScheduleRepository'),
 	//#endregion
 };
diff --git a/packages/backend/src/models/NoteSchedule.ts b/packages/backend/src/models/NoteSchedule.ts
new file mode 100644
index 0000000000..97ffe32ffa
--- /dev/null
+++ b/packages/backend/src/models/NoteSchedule.ts
@@ -0,0 +1,60 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import { Entity, Index, Column, PrimaryColumn } from 'typeorm';
+import { MiNote } from '@/models/Note.js';
+import { id } from './util/id.js';
+import { MiUser } from './User.js';
+import { MiChannel } from './Channel.js';
+import type { MiDriveFile } from './DriveFile.js';
+
+type MinimumUser = {
+	id: MiUser['id'];
+	host: MiUser['host'];
+	username: MiUser['username'];
+	uri: MiUser['uri'];
+};
+
+export type MiScheduleNoteType={
+	/** Date.toISOString() */
+	createdAt: string;
+	visibility: 'public' | 'home' | 'followers' | 'specified';
+	visibleUsers: MinimumUser[];
+	channel?: MiChannel['id'];
+	poll: {
+		multiple: boolean;
+		choices: string[];
+		/** Date.toISOString() */
+		expiresAt: string | null
+	} | undefined;
+	renote?: MiNote['id'];
+	localOnly: boolean;
+	cw?: string | null;
+	reactionAcceptance: 'likeOnly' | 'likeOnlyForRemote' | 'nonSensitiveOnly' | 'nonSensitiveOnlyForLocalLikeOnlyForRemote' | null;
+	files: MiDriveFile['id'][];
+	text?: string | null;
+	reply?: MiNote['id'];
+	apMentions?: MinimumUser[] | null;
+	apHashtags?: string[] | null;
+	apEmojis?: string[] | null;
+}
+
+@Entity('note_schedule')
+export class MiNoteSchedule {
+	@PrimaryColumn(id())
+	public id: string;
+
+	@Column('jsonb')
+	public note: MiScheduleNoteType;
+
+	@Index()
+	@Column('varchar', {
+		length: 260,
+	})
+	public userId: MiUser['id'];
+
+	@Column('timestamp with time zone')
+	public scheduledAt: Date;
+}
diff --git a/packages/backend/src/models/RepositoryModule.ts b/packages/backend/src/models/RepositoryModule.ts
index eb45b9a631..3a1158a42a 100644
--- a/packages/backend/src/models/RepositoryModule.ts
+++ b/packages/backend/src/models/RepositoryModule.ts
@@ -43,6 +43,7 @@ import {
 	MiNote,
 	MiNoteFavorite,
 	MiNoteReaction,
+	MiNoteSchedule,
 	MiNoteThreadMuting,
 	MiNoteUnread,
 	MiPage,
@@ -509,6 +510,12 @@ const $reversiGamesRepository: Provider = {
 	inject: [DI.db],
 };
 
+const $noteScheduleRepository: Provider = {
+	provide: DI.noteScheduleRepository,
+	useFactory: (db: DataSource) => db.getRepository(MiNoteSchedule).extend(miRepository as MiRepository<MiNoteSchedule>),
+	inject: [DI.db],
+};
+
 @Module({
 	imports: [],
 	providers: [
@@ -583,6 +590,7 @@ const $reversiGamesRepository: Provider = {
 		$noteEditRepository,
 		$bubbleGameRecordsRepository,
 		$reversiGamesRepository,
+		$noteScheduleRepository,
 	],
 	exports: [
 		$usersRepository,
@@ -656,6 +664,7 @@ const $reversiGamesRepository: Provider = {
 		$noteEditRepository,
 		$bubbleGameRecordsRepository,
 		$reversiGamesRepository,
+		$noteScheduleRepository,
 	],
 })
 export class RepositoryModule {
diff --git a/packages/backend/src/models/_.ts b/packages/backend/src/models/_.ts
index ac2dd62aa2..9a4ebfc90f 100644
--- a/packages/backend/src/models/_.ts
+++ b/packages/backend/src/models/_.ts
@@ -81,6 +81,7 @@ import { MiUserListFavorite } from '@/models/UserListFavorite.js';
 import { NoteEdit } from '@/models/NoteEdit.js';
 import { MiBubbleGameRecord } from '@/models/BubbleGameRecord.js';
 import { MiReversiGame } from '@/models/ReversiGame.js';
+import { MiNoteSchedule } from '@/models/NoteSchedule.js';
 import type { QueryDeepPartialEntity } from 'typeorm/query-builder/QueryPartialEntity.js';
 
 export interface MiRepository<T extends ObjectLiteral> {
@@ -160,6 +161,7 @@ export {
 	MiNote,
 	MiNoteFavorite,
 	MiNoteReaction,
+	MiNoteSchedule,
 	MiNoteThreadMuting,
 	MiNoteUnread,
 	MiPage,
@@ -271,3 +273,4 @@ export type UserMemoRepository = Repository<MiUserMemo> & MiRepository<MiUserMem
 export type BubbleGameRecordsRepository = Repository<MiBubbleGameRecord> & MiRepository<MiBubbleGameRecord>;
 export type ReversiGamesRepository = Repository<MiReversiGame> & MiRepository<MiReversiGame>;
 export type NoteEditRepository = Repository<NoteEdit> & MiRepository<NoteEdit>;
+export type NoteScheduleRepository = Repository<MiNoteSchedule>;
diff --git a/packages/backend/src/models/json-schema/role.ts b/packages/backend/src/models/json-schema/role.ts
index 19ea6263c9..ef0bb9f141 100644
--- a/packages/backend/src/models/json-schema/role.ts
+++ b/packages/backend/src/models/json-schema/role.ts
@@ -296,6 +296,10 @@ export const packedRolePoliciesSchema = {
 			type: 'boolean',
 			optional: false, nullable: false,
 		},
+		scheduleNoteMax: {
+			type: 'integer',
+			optional: false, nullable: false,
+		},
 	},
 } as const;
 
diff --git a/packages/backend/src/postgres.ts b/packages/backend/src/postgres.ts
index 2d66e6e445..c964c3ffee 100644
--- a/packages/backend/src/postgres.ts
+++ b/packages/backend/src/postgres.ts
@@ -79,6 +79,7 @@ import { MiUserMemo } from '@/models/UserMemo.js';
 import { NoteEdit } from '@/models/NoteEdit.js';
 import { MiBubbleGameRecord } from '@/models/BubbleGameRecord.js';
 import { MiReversiGame } from '@/models/ReversiGame.js';
+import { MiNoteSchedule } from '@/models/NoteSchedule.js';
 
 import { Config } from '@/config.js';
 import MisskeyLogger from '@/logger.js';
@@ -158,6 +159,7 @@ export const entities = [
 	MiNote,
 	MiNoteFavorite,
 	MiNoteReaction,
+	MiNoteSchedule,
 	MiNoteThreadMuting,
 	MiNoteUnread,
 	MiPage,
diff --git a/packages/backend/src/queue/QueueProcessorModule.ts b/packages/backend/src/queue/QueueProcessorModule.ts
index 7c6675b15d..dd588e0115 100644
--- a/packages/backend/src/queue/QueueProcessorModule.ts
+++ b/packages/backend/src/queue/QueueProcessorModule.ts
@@ -42,6 +42,7 @@ import { TickChartsProcessorService } from './processors/TickChartsProcessorServ
 import { AggregateRetentionProcessorService } from './processors/AggregateRetentionProcessorService.js';
 import { ExportFavoritesProcessorService } from './processors/ExportFavoritesProcessorService.js';
 import { RelationshipProcessorService } from './processors/RelationshipProcessorService.js';
+import { ScheduleNotePostProcessorService } from './processors/ScheduleNotePostProcessorService.js';
 
 @Module({
 	imports: [
@@ -85,6 +86,7 @@ import { RelationshipProcessorService } from './processors/RelationshipProcessor
 		InboxProcessorService,
 		AggregateRetentionProcessorService,
 		QueueProcessorService,
+		ScheduleNotePostProcessorService,
 	],
 	exports: [
 		QueueProcessorService,
diff --git a/packages/backend/src/queue/QueueProcessorService.ts b/packages/backend/src/queue/QueueProcessorService.ts
index f130314e74..4cc5446062 100644
--- a/packages/backend/src/queue/QueueProcessorService.ts
+++ b/packages/backend/src/queue/QueueProcessorService.ts
@@ -44,6 +44,7 @@ import { CheckExpiredMutingsProcessorService } from './processors/CheckExpiredMu
 import { BakeBufferedReactionsProcessorService } from './processors/BakeBufferedReactionsProcessorService.js';
 import { CleanProcessorService } from './processors/CleanProcessorService.js';
 import { AggregateRetentionProcessorService } from './processors/AggregateRetentionProcessorService.js';
+import { ScheduleNotePostProcessorService } from './processors/ScheduleNotePostProcessorService.js';
 import { QueueLoggerService } from './QueueLoggerService.js';
 import { QUEUE, baseQueueOptions } from './const.js';
 import { ImportNotesProcessorService } from './processors/ImportNotesProcessorService.js';
@@ -86,6 +87,7 @@ export class QueueProcessorService implements OnApplicationShutdown {
 	private relationshipQueueWorker: Bull.Worker;
 	private objectStorageQueueWorker: Bull.Worker;
 	private endedPollNotificationQueueWorker: Bull.Worker;
+	private schedulerNotePostQueueWorker: Bull.Worker;
 
 	constructor(
 		@Inject(DI.config)
@@ -126,6 +128,7 @@ export class QueueProcessorService implements OnApplicationShutdown {
 		private checkExpiredMutingsProcessorService: CheckExpiredMutingsProcessorService,
 		private bakeBufferedReactionsProcessorService: BakeBufferedReactionsProcessorService,
 		private cleanProcessorService: CleanProcessorService,
+		private scheduleNotePostProcessorService: ScheduleNotePostProcessorService,
 	) {
 		this.logger = this.queueLoggerService.logger;
 
@@ -530,6 +533,15 @@ export class QueueProcessorService implements OnApplicationShutdown {
 			});
 		}
 		//#endregion
+
+		//#region schedule note post
+		{
+			this.schedulerNotePostQueueWorker = new Bull.Worker(QUEUE.SCHEDULE_NOTE_POST, (job) => this.scheduleNotePostProcessorService.process(job), {
+				...baseQueueOptions(this.config, QUEUE.SCHEDULE_NOTE_POST),
+				autorun: false,
+			});
+		}
+		//#endregion
 	}
 
 	@bindThis
@@ -544,6 +556,7 @@ export class QueueProcessorService implements OnApplicationShutdown {
 			this.relationshipQueueWorker.run(),
 			this.objectStorageQueueWorker.run(),
 			this.endedPollNotificationQueueWorker.run(),
+			this.schedulerNotePostQueueWorker.run(),
 		]);
 	}
 
@@ -559,6 +572,7 @@ export class QueueProcessorService implements OnApplicationShutdown {
 			this.relationshipQueueWorker.close(),
 			this.objectStorageQueueWorker.close(),
 			this.endedPollNotificationQueueWorker.close(),
+			this.schedulerNotePostQueueWorker.close(),
 		]);
 	}
 
diff --git a/packages/backend/src/queue/const.ts b/packages/backend/src/queue/const.ts
index 67f689b618..fdf012f149 100644
--- a/packages/backend/src/queue/const.ts
+++ b/packages/backend/src/queue/const.ts
@@ -16,6 +16,7 @@ export const QUEUE = {
 	OBJECT_STORAGE: 'objectStorage',
 	USER_WEBHOOK_DELIVER: 'userWebhookDeliver',
 	SYSTEM_WEBHOOK_DELIVER: 'systemWebhookDeliver',
+	SCHEDULE_NOTE_POST: 'scheduleNotePost',
 };
 
 export function baseQueueOptions(config: Config, queueName: typeof QUEUE[keyof typeof QUEUE]): Bull.QueueOptions {
diff --git a/packages/backend/src/queue/processors/ScheduleNotePostProcessorService.ts b/packages/backend/src/queue/processors/ScheduleNotePostProcessorService.ts
new file mode 100644
index 0000000000..62d527953d
--- /dev/null
+++ b/packages/backend/src/queue/processors/ScheduleNotePostProcessorService.ts
@@ -0,0 +1,94 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import { Inject, Injectable } from '@nestjs/common';
+import type Logger from '@/logger.js';
+import { bindThis } from '@/decorators.js';
+import { NoteCreateService } from '@/core/NoteCreateService.js';
+import type { ChannelsRepository, DriveFilesRepository, MiDriveFile, NoteScheduleRepository, NotesRepository, UsersRepository } from '@/models/_.js';
+import { DI } from '@/di-symbols.js';
+import { QueueLoggerService } from '../QueueLoggerService.js';
+import type * as Bull from 'bullmq';
+import type { ScheduleNotePostJobData } from '../types.js';
+
+@Injectable()
+export class ScheduleNotePostProcessorService {
+	private logger: Logger;
+
+	constructor(
+		@Inject(DI.noteScheduleRepository)
+		private noteScheduleRepository: NoteScheduleRepository,
+
+		@Inject(DI.usersRepository)
+		private usersRepository: UsersRepository,
+		@Inject(DI.driveFilesRepository)
+		private driveFilesRepository: DriveFilesRepository,
+		@Inject(DI.notesRepository)
+		private notesRepository: NotesRepository,
+		@Inject(DI.channelsRepository)
+		private channelsRepository: ChannelsRepository,
+
+		private noteCreateService: NoteCreateService,
+		private queueLoggerService: QueueLoggerService,
+	) {
+		this.logger = this.queueLoggerService.logger.createSubLogger('schedule-note-post');
+	}
+
+    @bindThis
+	public async process(job: Bull.Job<ScheduleNotePostJobData>): Promise<void> {
+		this.noteScheduleRepository.findOneBy({ id: job.data.scheduleNoteId }).then(async (data) => {
+			if (!data) {
+				this.logger.warn(`Schedule note ${job.data.scheduleNoteId} not found`);
+			} else {
+				const me = await this.usersRepository.findOneBy({ id: data.userId });
+				const note = data.note;
+
+				//idの形式でキューに積んであったのをDBから取り寄せる
+				const reply = note.reply ? await this.notesRepository.findOneBy({ id: note.reply }) : undefined;
+				const renote = note.reply ? await this.notesRepository.findOneBy({ id: note.renote }) : undefined;
+				const channel = note.channel ? await this.channelsRepository.findOneBy({ id: note.channel, isArchived: false }) : undefined;
+				let files: MiDriveFile[] = [];
+				const fileIds = note.files ?? null;
+				if (fileIds != null && fileIds.length > 0 && me) {
+					files = await this.driveFilesRepository.createQueryBuilder('file')
+						.where('file.userId = :userId AND file.id IN (:...fileIds)', {
+							userId: me.id,
+							fileIds,
+						})
+						.orderBy('array_position(ARRAY[:...fileIds], "id"::text)')
+						.setParameters({ fileIds })
+						.getMany();
+				}
+				if (
+					!data.userId ||
+					!me ||
+					(note.reply && !reply) ||
+					(note.renote && !renote) ||
+					(note.channel && !channel) ||
+					(note.files.length !== files.length)
+				) {
+					//キューに積んだときは有った物が消滅してたら予約投稿をキャンセルする
+					this.logger.warn('cancel schedule note');
+					await this.noteScheduleRepository.remove(data);
+					return;
+				}
+				await this.noteCreateService.create(me, {
+					...note,
+					createdAt: new Date(note.createdAt), //typeORMのjsonbで何故かstringにされるから戻す
+					files,
+					poll: note.poll ? {
+						choices: note.poll.choices,
+						multiple: note.poll.multiple,
+						expiresAt: note.poll.expiresAt ? new Date(note.poll.expiresAt) : null,
+					} : undefined,
+					reply,
+					renote,
+					channel,
+				});
+				await this.noteScheduleRepository.remove(data);
+			}
+		});
+	}
+}
diff --git a/packages/backend/src/queue/types.ts b/packages/backend/src/queue/types.ts
index c0d246ebbc..9433392df5 100644
--- a/packages/backend/src/queue/types.ts
+++ b/packages/backend/src/queue/types.ts
@@ -155,3 +155,7 @@ export type UserWebhookDeliverJobData = {
 export type ThinUser = {
 	id: MiUser['id'];
 };
+
+export type ScheduleNotePostJobData = {
+	scheduleNoteId: MiNote['id'];
+}
diff --git a/packages/backend/src/server/api/EndpointsModule.ts b/packages/backend/src/server/api/EndpointsModule.ts
index 5bdd7cf650..c478bebdaf 100644
--- a/packages/backend/src/server/api/EndpointsModule.ts
+++ b/packages/backend/src/server/api/EndpointsModule.ts
@@ -311,6 +311,9 @@ import * as ep___notes_renotes from './endpoints/notes/renotes.js';
 import * as ep___notes_replies from './endpoints/notes/replies.js';
 import * as ep___notes_edit from './endpoints/notes/edit.js';
 import * as ep___notes_versions from './endpoints/notes/versions.js';
+import * as ep___notes_schedule_create from './endpoints/notes/schedule/create.js';
+import * as ep___notes_schedule_delete from './endpoints/notes/schedule/delete.js';
+import * as ep___notes_schedule_list from './endpoints/notes/schedule/list.js';
 import * as ep___notes_searchByTag from './endpoints/notes/search-by-tag.js';
 import * as ep___notes_search from './endpoints/notes/search.js';
 import * as ep___notes_show from './endpoints/notes/show.js';
@@ -711,6 +714,9 @@ const $notes_reactions_delete: Provider = { provide: 'ep:notes/reactions/delete'
 const $notes_like: Provider = { provide: 'ep:notes/like', useClass: ep___notes_like.default };
 const $notes_renotes: Provider = { provide: 'ep:notes/renotes', useClass: ep___notes_renotes.default };
 const $notes_replies: Provider = { provide: 'ep:notes/replies', useClass: ep___notes_replies.default };
+const $notes_schedule_create: Provider = { provide: 'ep:notes/schedule/create', useClass: ep___notes_schedule_create.default };
+const $notes_schedule_delete: Provider = { provide: 'ep:notes/schedule/delete', useClass: ep___notes_schedule_delete.default };
+const $notes_schedule_list: Provider = { provide: 'ep:notes/schedule/list', useClass: ep___notes_schedule_list.default };
 const $notes_searchByTag: Provider = { provide: 'ep:notes/search-by-tag', useClass: ep___notes_searchByTag.default };
 const $notes_search: Provider = { provide: 'ep:notes/search', useClass: ep___notes_search.default };
 const $notes_show: Provider = { provide: 'ep:notes/show', useClass: ep___notes_show.default };
@@ -1117,6 +1123,9 @@ const $reversi_verify: Provider = { provide: 'ep:reversi/verify', useClass: ep__
 		$notes_like,
 		$notes_renotes,
 		$notes_replies,
+		$notes_schedule_create,
+		$notes_schedule_delete,
+		$notes_schedule_list,
 		$notes_searchByTag,
 		$notes_search,
 		$notes_show,
@@ -1516,6 +1525,9 @@ const $reversi_verify: Provider = { provide: 'ep:reversi/verify', useClass: ep__
 		$notes_like,
 		$notes_renotes,
 		$notes_replies,
+		$notes_schedule_create,
+		$notes_schedule_delete,
+		$notes_schedule_list,
 		$notes_searchByTag,
 		$notes_search,
 		$notes_show,
diff --git a/packages/backend/src/server/api/endpoints.ts b/packages/backend/src/server/api/endpoints.ts
index 7eb18fbfe2..269afbf14b 100644
--- a/packages/backend/src/server/api/endpoints.ts
+++ b/packages/backend/src/server/api/endpoints.ts
@@ -316,6 +316,9 @@ import * as ep___notes_reactions_delete from './endpoints/notes/reactions/delete
 import * as ep___notes_like from './endpoints/notes/like.js';
 import * as ep___notes_renotes from './endpoints/notes/renotes.js';
 import * as ep___notes_replies from './endpoints/notes/replies.js';
+import * as ep___notes_schedule_create from './endpoints/notes/schedule/create.js';
+import * as ep___notes_schedule_delete from './endpoints/notes/schedule/delete.js';
+import * as ep___notes_schedule_list from './endpoints/notes/schedule/list.js';
 import * as ep___notes_searchByTag from './endpoints/notes/search-by-tag.js';
 import * as ep___notes_search from './endpoints/notes/search.js';
 import * as ep___notes_show from './endpoints/notes/show.js';
@@ -716,6 +719,9 @@ const eps = [
 	['notes/like', ep___notes_like],
 	['notes/renotes', ep___notes_renotes],
 	['notes/replies', ep___notes_replies],
+	['notes/schedule/create', ep___notes_schedule_create],
+	['notes/schedule/delete', ep___notes_schedule_delete],
+	['notes/schedule/list', ep___notes_schedule_list],
 	['notes/search-by-tag', ep___notes_searchByTag],
 	['notes/search', ep___notes_search],
 	['notes/show', ep___notes_show],
diff --git a/packages/backend/src/server/api/endpoints/admin/queue/stats.ts b/packages/backend/src/server/api/endpoints/admin/queue/stats.ts
index d7f9e4eaa3..e2bd38aac6 100644
--- a/packages/backend/src/server/api/endpoints/admin/queue/stats.ts
+++ b/packages/backend/src/server/api/endpoints/admin/queue/stats.ts
@@ -5,7 +5,7 @@
 
 import { Inject, Injectable } from '@nestjs/common';
 import { Endpoint } from '@/server/api/endpoint-base.js';
-import type { DbQueue, DeliverQueue, EndedPollNotificationQueue, InboxQueue, ObjectStorageQueue, SystemQueue, UserWebhookDeliverQueue, SystemWebhookDeliverQueue } from '@/core/QueueModule.js';
+import type { DbQueue, DeliverQueue, EndedPollNotificationQueue, InboxQueue, ObjectStorageQueue, SystemQueue, UserWebhookDeliverQueue, SystemWebhookDeliverQueue, ScheduleNotePostQueue } from '@/core/QueueModule.js';
 
 export const meta = {
 	tags: ['admin'],
@@ -55,6 +55,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 		@Inject('queue:objectStorage') public objectStorageQueue: ObjectStorageQueue,
 		@Inject('queue:userWebhookDeliver') public userWebhookDeliverQueue: UserWebhookDeliverQueue,
 		@Inject('queue:systemWebhookDeliver') public systemWebhookDeliverQueue: SystemWebhookDeliverQueue,
+		@Inject('queue:scheduleNotePost') public scheduleNotePostQueue: ScheduleNotePostQueue,
 	) {
 		super(meta, paramDef, async (ps, me) => {
 			const deliverJobCounts = await this.deliverQueue.getJobCounts();
diff --git a/packages/backend/src/server/api/endpoints/notes/schedule/create.ts b/packages/backend/src/server/api/endpoints/notes/schedule/create.ts
new file mode 100644
index 0000000000..ecdfa4bf2e
--- /dev/null
+++ b/packages/backend/src/server/api/endpoints/notes/schedule/create.ts
@@ -0,0 +1,393 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import ms from 'ms';
+import { In } from 'typeorm';
+import { Inject, Injectable } from '@nestjs/common';
+import { isPureRenote } from 'cherrypick-js/note.js';
+import type { MiUser } from '@/models/User.js';
+import type {
+	UsersRepository,
+	NotesRepository,
+	BlockingsRepository,
+	DriveFilesRepository,
+	ChannelsRepository,
+	NoteScheduleRepository,
+} from '@/models/_.js';
+import type { MiDriveFile } from '@/models/DriveFile.js';
+import type { MiNote } from '@/models/Note.js';
+import type { MiChannel } from '@/models/Channel.js';
+import { MAX_NOTE_TEXT_LENGTH } from '@/const.js';
+import { Endpoint } from '@/server/api/endpoint-base.js';
+import { DI } from '@/di-symbols.js';
+import { QueueService } from '@/core/QueueService.js';
+import { IdService } from '@/core/IdService.js';
+import { MiScheduleNoteType } from '@/models/NoteSchedule.js';
+import { RoleService } from '@/core/RoleService.js';
+import { ApiError } from '../../../error.js';
+
+export const meta = {
+	tags: ['notes'],
+
+	requireCredential: true,
+
+	prohibitMoved: true,
+
+	limit: {
+		duration: ms('1hour'),
+		max: 300,
+	},
+
+	kind: 'write:notes-schedule',
+
+	errors: {
+		scheduleNoteMax: {
+			message: 'Schedule note max.',
+			code: 'SCHEDULE_NOTE_MAX',
+			id: '168707c3-e7da-4031-989e-f42aa3a274b2',
+		},
+		noSuchRenoteTarget: {
+			message: 'No such renote target.',
+			code: 'NO_SUCH_RENOTE_TARGET',
+			id: 'b5c90186-4ab0-49c8-9bba-a1f76c282ba4',
+		},
+
+		cannotReRenote: {
+			message: 'You can not Renote a pure Renote.',
+			code: 'CANNOT_RENOTE_TO_A_PURE_RENOTE',
+			id: 'fd4cc33e-2a37-48dd-99cc-9b806eb2031a',
+		},
+
+		cannotRenoteDueToVisibility: {
+			message: 'You can not Renote due to target visibility.',
+			code: 'CANNOT_RENOTE_DUE_TO_VISIBILITY',
+			id: 'be9529e9-fe72-4de0-ae43-0b363c4938af',
+		},
+
+		noSuchReplyTarget: {
+			message: 'No such reply target.',
+			code: 'NO_SUCH_REPLY_TARGET',
+			id: '749ee0f6-d3da-459a-bf02-282e2da4292c',
+		},
+
+		cannotReplyToPureRenote: {
+			message: 'You can not reply to a pure Renote.',
+			code: 'CANNOT_REPLY_TO_A_PURE_RENOTE',
+			id: '3ac74a84-8fd5-4bb0-870f-01804f82ce15',
+		},
+
+		cannotCreateAlreadyExpiredPoll: {
+			message: 'Poll is already expired.',
+			code: 'CANNOT_CREATE_ALREADY_EXPIRED_POLL',
+			id: '04da457d-b083-4055-9082-955525eda5a5',
+		},
+
+		cannotCreateAlreadyExpiredSchedule: {
+			message: 'Schedule is already expired.',
+			code: 'CANNOT_CREATE_ALREADY_EXPIRED_SCHEDULE',
+			id: '8a9bfb90-fc7e-4878-a3e8-d97faaf5fb07',
+		},
+
+		noSuchChannel: {
+			message: 'No such channel.',
+			code: 'NO_SUCH_CHANNEL',
+			id: 'b1653923-5453-4edc-b786-7c4f39bb0bbb',
+		},
+		noSuchSchedule: {
+			message: 'No such schedule.',
+			code: 'NO_SUCH_SCHEDULE',
+			id: '44dee229-8da1-4a61-856d-e3a4bbc12032',
+		},
+		youHaveBeenBlocked: {
+			message: 'You have been blocked by this user.',
+			code: 'YOU_HAVE_BEEN_BLOCKED',
+			id: 'b390d7e1-8a5e-46ed-b625-06271cafd3d3',
+		},
+
+		noSuchFile: {
+			message: 'Some files are not found.',
+			code: 'NO_SUCH_FILE',
+			id: 'b6992544-63e7-67f0-fa7f-32444b1b5306',
+		},
+
+		cannotRenoteOutsideOfChannel: {
+			message: 'Cannot renote outside of channel.',
+			code: 'CANNOT_RENOTE_OUTSIDE_OF_CHANNEL',
+			id: '33510210-8452-094c-6227-4a6c05d99f00',
+		},
+	},
+} as const;
+
+export const paramDef = {
+	type: 'object',
+	properties: {
+		visibility: { type: 'string', enum: ['public', 'home', 'followers', 'specified'], default: 'public' },
+		visibleUserIds: { type: 'array', uniqueItems: true, items: {
+			type: 'string', format: 'misskey:id',
+		} },
+		cw: { type: 'string', nullable: true, minLength: 1, maxLength: 100 },
+		reactionAcceptance: { type: 'string', nullable: true, enum: [null, 'likeOnly', 'likeOnlyForRemote', 'nonSensitiveOnly', 'nonSensitiveOnlyForLocalLikeOnlyForRemote'], default: null },
+		disableRightClick: { type: 'boolean', default: false },
+		noExtractMentions: { type: 'boolean', default: false },
+		noExtractHashtags: { type: 'boolean', default: false },
+		noExtractEmojis: { type: 'boolean', default: false },
+		replyId: { type: 'string', format: 'misskey:id', nullable: true },
+		renoteId: { type: 'string', format: 'misskey:id', nullable: true },
+
+		// anyOf内にバリデーションを書いても最初の一つしかチェックされない
+		// See https://github.com/misskey-dev/misskey/pull/10082
+		text: {
+			type: 'string',
+			minLength: 1,
+			maxLength: MAX_NOTE_TEXT_LENGTH,
+			nullable: true,
+		},
+		fileIds: {
+			type: 'array',
+			uniqueItems: true,
+			minItems: 1,
+			maxItems: 16,
+			items: { type: 'string', format: 'misskey:id' },
+		},
+		mediaIds: {
+			type: 'array',
+			uniqueItems: true,
+			minItems: 1,
+			maxItems: 16,
+			items: { type: 'string', format: 'misskey:id' },
+		},
+		poll: {
+			type: 'object',
+			nullable: true,
+			properties: {
+				choices: {
+					type: 'array',
+					uniqueItems: true,
+					minItems: 2,
+					maxItems: 10,
+					items: { type: 'string', minLength: 1, maxLength: 50 },
+				},
+				multiple: { type: 'boolean' },
+				expiresAt: { type: 'integer', nullable: true },
+				expiredAfter: { type: 'integer', nullable: true, minimum: 1 },
+			},
+			required: ['choices'],
+		},
+		event: {
+			type: 'object',
+			nullable: true,
+			properties: {
+				title: { type: 'string', minLength: 1, maxLength: 128, nullable: false },
+				start: { type: 'integer', nullable: false },
+				end: { type: 'integer', nullable: true },
+				metadata: { type: 'object' },
+			},
+		},
+		scheduleNote: {
+			type: 'object',
+			nullable: false,
+			properties: {
+				scheduledAt: { type: 'integer', nullable: false },
+			},
+		},
+	},
+	// (re)note with text, files and poll are optional
+	anyOf: [
+		{ required: ['text'] },
+		{ required: ['renoteId'] },
+		{ required: ['fileIds'] },
+		{ required: ['mediaIds'] },
+		{ required: ['poll'] },
+	],
+	required: ['scheduleNote'],
+} as const;
+
+@Injectable()
+export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-disable-line import/no-default-export
+	constructor(
+		@Inject(DI.usersRepository)
+		private usersRepository: UsersRepository,
+
+		@Inject(DI.notesRepository)
+		private notesRepository: NotesRepository,
+
+		@Inject(DI.noteScheduleRepository)
+		private noteScheduleRepository: NoteScheduleRepository,
+
+		@Inject(DI.blockingsRepository)
+		private blockingsRepository: BlockingsRepository,
+
+		@Inject(DI.driveFilesRepository)
+		private driveFilesRepository: DriveFilesRepository,
+
+		@Inject(DI.channelsRepository)
+		private channelsRepository: ChannelsRepository,
+
+		private queueService: QueueService,
+		private roleService: RoleService,
+    private idService: IdService,
+	) {
+		super({
+			...meta,
+		}, paramDef, async (ps, me) => {
+			const scheduleNoteCount = await this.noteScheduleRepository.countBy({ userId: me.id });
+			const scheduleNoteMax = (await this.roleService.getUserPolicies(me.id)).scheduleNoteMax;
+			if (scheduleNoteCount >= scheduleNoteMax) {
+				throw new ApiError(meta.errors.scheduleNoteMax);
+			}
+			let visibleUsers: MiUser[] = [];
+			if (ps.visibleUserIds) {
+				visibleUsers = await this.usersRepository.findBy({
+					id: In(ps.visibleUserIds),
+				});
+			}
+
+			let files: MiDriveFile[] = [];
+			const fileIds = ps.fileIds ?? ps.mediaIds ?? null;
+			if (fileIds != null) {
+				files = await this.driveFilesRepository.createQueryBuilder('file')
+					.where('file.userId = :userId AND file.id IN (:...fileIds)', {
+						userId: me.id,
+						fileIds,
+					})
+					.orderBy('array_position(ARRAY[:...fileIds], "id"::text)')
+					.setParameters({ fileIds })
+					.getMany();
+
+				if (files.length !== fileIds.length) {
+					throw new ApiError(meta.errors.noSuchFile);
+				}
+			}
+
+			let renote: MiNote | null = null;
+			if (ps.renoteId != null) {
+				// Fetch renote to note
+				renote = await this.notesRepository.findOneBy({ id: ps.renoteId });
+
+				if (renote == null) {
+					throw new ApiError(meta.errors.noSuchRenoteTarget);
+				} else if (isPureRenote(renote)) {
+					throw new ApiError(meta.errors.cannotReRenote);
+				}
+
+				// Check blocking
+				if (renote.userId !== me.id) {
+					const blockExist = await this.blockingsRepository.exist({
+						where: {
+							blockerId: renote.userId,
+							blockeeId: me.id,
+						},
+					});
+					if (blockExist) {
+						throw new ApiError(meta.errors.youHaveBeenBlocked);
+					}
+				}
+
+				if (renote.visibility === 'followers' && renote.userId !== me.id) {
+					// 他人のfollowers noteはreject
+					throw new ApiError(meta.errors.cannotRenoteDueToVisibility);
+				} else if (renote.visibility === 'specified') {
+					// specified / direct noteはreject
+					throw new ApiError(meta.errors.cannotRenoteDueToVisibility);
+				}
+			}
+
+			let reply: MiNote | null = null;
+			if (ps.replyId != null) {
+				// Fetch reply
+				reply = await this.notesRepository.findOneBy({ id: ps.replyId });
+
+				if (reply == null) {
+					throw new ApiError(meta.errors.noSuchReplyTarget);
+				} else if (isPureRenote(reply)) {
+					throw new ApiError(meta.errors.cannotReplyToPureRenote);
+				}
+
+				// Check blocking
+				if (reply.userId !== me.id) {
+					const blockExist = await this.blockingsRepository.exist({
+						where: {
+							blockerId: reply.userId,
+							blockeeId: me.id,
+						},
+					});
+					if (blockExist) {
+						throw new ApiError(meta.errors.youHaveBeenBlocked);
+					}
+				}
+			}
+
+			if (ps.poll) {
+				let scheduleNote_scheduledAt = Date.now();
+				if (typeof ps.scheduleNote.scheduledAt === 'number') {
+					scheduleNote_scheduledAt = ps.scheduleNote.scheduledAt;
+				}
+				if (typeof ps.poll.expiresAt === 'number') {
+					if (ps.poll.expiresAt < scheduleNote_scheduledAt) {
+						throw new ApiError(meta.errors.cannotCreateAlreadyExpiredPoll);
+					}
+				} else if (typeof ps.poll.expiredAfter === 'number') {
+					ps.poll.expiresAt = scheduleNote_scheduledAt + ps.poll.expiredAfter;
+				}
+			}
+			if (typeof ps.scheduleNote.scheduledAt === 'number') {
+				if (ps.scheduleNote.scheduledAt < Date.now()) {
+					throw new ApiError(meta.errors.cannotCreateAlreadyExpiredSchedule);
+				}
+			} else {
+				throw new ApiError(meta.errors.cannotCreateAlreadyExpiredSchedule);
+			}
+			const note:MiScheduleNoteType = {
+				createdAt: new Date(ps.scheduleNote.scheduledAt!).toISOString(),
+				files: files.map(f => f.id),
+				poll: ps.poll ? {
+					choices: ps.poll.choices,
+					multiple: ps.poll.multiple ?? false,
+					expiresAt: ps.poll.expiresAt ? new Date(ps.poll.expiresAt).toISOString() : null,
+				} : undefined,
+				text: ps.text ?? undefined,
+				reply: reply?.id,
+				renote: renote?.id,
+				cw: ps.cw,
+				localOnly: false,
+				reactionAcceptance: ps.reactionAcceptance,
+				visibility: ps.visibility,
+				visibleUsers,
+				apMentions: ps.noExtractMentions ? [] : undefined,
+				apHashtags: ps.noExtractHashtags ? [] : undefined,
+				apEmojis: ps.noExtractEmojis ? [] : undefined,
+				event: ps.event ? {
+					start: new Date(ps.event.start!).toISOString(),
+					end: ps.event.end ? new Date(ps.event.end).toISOString() : null,
+					title: ps.event.title!,
+					metadata: ps.event.metadata ?? {},
+				} : undefined,
+				disableRightClick: ps.disableRightClick,
+			};
+
+			if (ps.scheduleNote.scheduledAt) {
+				me.token = null;
+				const noteId = this.idService.gen(new Date().getTime());
+				await this.noteScheduleRepository.insert({
+					id: noteId,
+					note: note,
+					userId: me.id,
+					scheduledAt: new Date(ps.scheduleNote.scheduledAt),
+				});
+
+				const delay = new Date(ps.scheduleNote.scheduledAt).getTime() - Date.now();
+				await this.queueService.ScheduleNotePostQueue.add(String(delay), {
+					scheduleNoteId: noteId,
+				}, {
+					delay,
+					removeOnComplete: true,
+					jobId: noteId,
+				});
+			}
+
+			return '';
+		});
+	}
+}
diff --git a/packages/backend/src/server/api/endpoints/notes/schedule/delete.ts b/packages/backend/src/server/api/endpoints/notes/schedule/delete.ts
new file mode 100644
index 0000000000..df406f99f0
--- /dev/null
+++ b/packages/backend/src/server/api/endpoints/notes/schedule/delete.ts
@@ -0,0 +1,67 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import ms from 'ms';
+import { Inject, Injectable } from '@nestjs/common';
+import type { NoteScheduleRepository } from '@/models/_.js';
+import { Endpoint } from '@/server/api/endpoint-base.js';
+import { DI } from '@/di-symbols.js';
+import { ApiError } from '@/server/api/error.js';
+import { QueueService } from '@/core/QueueService.js';
+
+export const meta = {
+	tags: ['notes'],
+
+	requireCredential: true,
+	kind: 'write:notes-schedule',
+
+	limit: {
+		duration: ms('1hour'),
+		max: 300,
+	},
+
+	errors: {
+		noSuchNote: {
+			message: 'No such note.',
+			code: 'NO_SUCH_NOTE',
+			id: 'a58056ba-8ba1-4323-8ebf-e0b585bc244f',
+		},
+		permissionDenied: {
+			message: 'Permission denied.',
+			code: 'PERMISSION_DENIED',
+			id: 'c0da2fed-8f61-4c47-a41d-431992607b5c',
+			httpStatusCode: 403,
+		},
+	},
+} as const;
+
+export const paramDef = {
+	type: 'object',
+	properties: {
+		noteId: { type: 'string', format: 'misskey:id' },
+	},
+	required: ['noteId'],
+} as const;
+
+@Injectable()
+export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-disable-line import/no-default-export
+	constructor(
+		@Inject(DI.noteScheduleRepository)
+		private noteScheduleRepository: NoteScheduleRepository,
+		private queueService: QueueService,
+	) {
+		super(meta, paramDef, async (ps, me) => {
+			const note = await this.noteScheduleRepository.findOneBy({ id: ps.noteId });
+			if (note === null) {
+				throw new ApiError(meta.errors.noSuchNote);
+			}
+			if (note.userId !== me.id) {
+				throw new ApiError(meta.errors.permissionDenied);
+			}
+			await this.noteScheduleRepository.delete({ id: ps.noteId });
+			await this.queueService.ScheduleNotePostQueue.remove(ps.noteId);
+		});
+	}
+}
diff --git a/packages/backend/src/server/api/endpoints/notes/schedule/list.ts b/packages/backend/src/server/api/endpoints/notes/schedule/list.ts
new file mode 100644
index 0000000000..88da4f4043
--- /dev/null
+++ b/packages/backend/src/server/api/endpoints/notes/schedule/list.ts
@@ -0,0 +1,128 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import ms from 'ms';
+import { Inject, Injectable } from '@nestjs/common';
+import { Endpoint } from '@/server/api/endpoint-base.js';
+import { DI } from '@/di-symbols.js';
+import type { MiNote, MiNoteSchedule, NoteScheduleRepository } from '@/models/_.js';
+import { UserEntityService } from '@/core/entities/UserEntityService.js';
+import { QueryService } from '@/core/QueryService.js';
+import { Packed } from '@/misc/json-schema.js';
+import { noteVisibilities } from '@/types.js';
+
+export const meta = {
+	tags: ['notes'],
+
+	requireCredential: true,
+	kind: 'read:notes-schedule',
+	res: {
+		type: 'array',
+		optional: false, nullable: false,
+		items: {
+			type: 'object',
+			optional: false, nullable: false,
+			properties: {
+				id: { type: 'string', format: 'misskey:id', optional: false, nullable: false },
+				note: {
+					type: 'object',
+					optional: false, nullable: false,
+					properties: {
+						createdAt: { type: 'string', optional: false, nullable: false },
+						text: { type: 'string', optional: true, nullable: false },
+						cw: { type: 'string', optional: true, nullable: true },
+						fileIds: { type: 'array', optional: false, nullable: false, items: { type: 'string', format: 'misskey:id', optional: false, nullable: false } },
+						visibility: { type: 'string', enum: ['public', 'home', 'followers', 'specified'], optional: false, nullable: false },
+						visibleUsers: {
+							type: 'array', optional: false, nullable: false, items: {
+								type: 'object',
+								optional: false, nullable: false,
+								ref: 'UserLite',
+							},
+						},
+						user: {
+							type: 'object',
+							optional: false, nullable: false,
+							ref: 'User',
+						},
+						reactionAcceptance: { type: 'string', nullable: true, enum: [null, 'likeOnly', 'likeOnlyForRemote', 'nonSensitiveOnly', 'nonSensitiveOnlyForLocalLikeOnlyForRemote'], default: null },
+						isSchedule: { type: 'boolean', optional: false, nullable: false },
+					},
+				},
+				userId: { type: 'string', optional: false, nullable: false },
+				scheduledAt: { type: 'string', optional: false, nullable: false },
+			},
+		},
+	},
+	limit: {
+		duration: ms('1hour'),
+		max: 300,
+	},
+
+	errors: {
+	},
+} as const;
+
+export const paramDef = {
+	type: 'object',
+	properties: {
+		sinceId: { type: 'string', format: 'misskey:id' },
+		untilId: { type: 'string', format: 'misskey:id' },
+		limit: { type: 'integer', minimum: 1, maximum: 100, default: 10 },
+	},
+} as const;
+
+@Injectable()
+export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-disable-line import/no-default-export
+	constructor(
+		@Inject(DI.noteScheduleRepository)
+		private noteScheduleRepository: NoteScheduleRepository,
+
+		private userEntityService: UserEntityService,
+		private queryService: QueryService,
+	) {
+		super(meta, paramDef, async (ps, me) => {
+			const query = this.queryService.makePaginationQuery(this.noteScheduleRepository.createQueryBuilder('note'), ps.sinceId, ps.untilId)
+				.andWhere('note.userId = :userId', { userId: me.id });
+			const scheduleNotes = await query.limit(ps.limit).getMany();
+			const user = await this.userEntityService.pack(me, me);
+			const scheduleNotesPack: {
+				id: string;
+				note: {
+					text?: string;
+					cw?: string|null;
+					fileIds: string[];
+					visibility: typeof noteVisibilities[number];
+					visibleUsers: Packed<'UserLite'>[];
+					reactionAcceptance: MiNote['reactionAcceptance'];
+					user: Packed<'User'>;
+					createdAt: string;
+					isSchedule: boolean;
+				};
+				userId: string;
+				scheduledAt: string;
+			}[] = await Promise.all(scheduleNotes.map(async (item: MiNoteSchedule) => {
+				return {
+					...item,
+					scheduledAt: item.scheduledAt.toISOString(),
+					note: {
+						...item.note,
+						text: item.note.text ?? '',
+						user: user,
+						visibility: item.note.visibility ?? 'public',
+						reactionAcceptance: item.note.reactionAcceptance ?? null,
+						visibleUsers: item.note.visibleUsers ? await userEntityService.packMany(item.note.visibleUsers.map(u => u.id), me) : [],
+						fileIds: item.note.files ? item.note.files : [],
+						createdAt: item.scheduledAt.toISOString(),
+						isSchedule: true,
+						id: item.id,
+					},
+				};
+			}));
+
+			return scheduleNotesPack;
+		});
+	}
+}
diff --git a/packages/backend/src/server/web/ClientServerService.ts b/packages/backend/src/server/web/ClientServerService.ts
index fbb8321730..aca98c4d37 100644
--- a/packages/backend/src/server/web/ClientServerService.ts
+++ b/packages/backend/src/server/web/ClientServerService.ts
@@ -33,6 +33,7 @@ import type {
 	SystemQueue,
 	UserWebhookDeliverQueue,
 	SystemWebhookDeliverQueue,
+	ScheduleNotePostQueue,
 } from '@/core/QueueModule.js';
 import { UserEntityService } from '@/core/entities/UserEntityService.js';
 import { NoteEntityService } from '@/core/entities/NoteEntityService.js';
@@ -124,6 +125,7 @@ export class ClientServerService {
 		@Inject('queue:objectStorage') public objectStorageQueue: ObjectStorageQueue,
 		@Inject('queue:userWebhookDeliver') public userWebhookDeliverQueue: UserWebhookDeliverQueue,
 		@Inject('queue:systemWebhookDeliver') public systemWebhookDeliverQueue: SystemWebhookDeliverQueue,
+		@Inject('queue:scheduleNotePost') public scheduleNotePostQueue: ScheduleNotePostQueue,
 	) {
 		//this.createServer = this.createServer.bind(this);
 	}
@@ -254,6 +256,7 @@ export class ClientServerService {
 				this.objectStorageQueue,
 				this.userWebhookDeliverQueue,
 				this.systemWebhookDeliverQueue,
+				this.scheduleNotePostQueue,
 			].map(q => new BullMQAdapter(q)),
 			serverAdapter: bullBoardServerAdapter,
 		});
diff --git a/packages/frontend-shared/js/const.ts b/packages/frontend-shared/js/const.ts
index 42cbf081e8..882f19c7fd 100644
--- a/packages/frontend-shared/js/const.ts
+++ b/packages/frontend-shared/js/const.ts
@@ -140,6 +140,7 @@ export const ROLE_POLICIES = [
 	'btlAvailable',
 	'canPublicNote',
 	'canImportNotes',
+	'scheduleNoteMax',
 	'mentionLimit',
 	'canInvite',
 	'inviteLimit',
diff --git a/packages/frontend/src/components/MkNoteHeader.vue b/packages/frontend/src/components/MkNoteHeader.vue
index cd6fdf576c..2c69048ec5 100644
--- a/packages/frontend/src/components/MkNoteHeader.vue
+++ b/packages/frontend/src/components/MkNoteHeader.vue
@@ -50,7 +50,10 @@ import { popupMenu } from '@/os.js';
 import { defaultStore } from '@/store.js';
 
 const props = defineProps<{
-	note: Misskey.entities.Note;
+	note: Misskey.entities.Note & {
+		isSchedule?: boolean
+	};
+	scheduled?: boolean;
 }>();
 
 const menuVersionsButton = shallowRef<HTMLElement>();
diff --git a/packages/frontend/src/components/MkNoteSimple.vue b/packages/frontend/src/components/MkNoteSimple.vue
index 542e3e79ea..7d2bbb31d3 100644
--- a/packages/frontend/src/components/MkNoteSimple.vue
+++ b/packages/frontend/src/components/MkNoteSimple.vue
@@ -4,7 +4,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 -->
 
 <template>
-<div :class="$style.root">
+<div v-show="!isDeleted" :class="$style.root" :tabindex="!isDeleted ? '-1' : undefined">
 	<MkAvatar :class="$style.avatar" :user="note.user" link preview/>
 	<div :class="$style.main">
 		<MkNoteHeader :class="$style.header" :note="note" :mini="true"/>
@@ -15,6 +15,10 @@ SPDX-License-Identifier: AGPL-3.0-only
 			</p>
 			<div v-show="note.cw == null || showContent">
 				<MkSubNoteContent :hideFiles="hideFiles" :class="$style.text" :note="note" :expandAllCws="props.expandAllCws"/>
+				<div v-if="note.isSchedule" style="margin-top: 10px;">
+					<MkButton :class="$style.button" inline @click.stop.prevent="editScheduleNote()"><i class="ti ti-eraser"></i> {{ i18n.ts.deleteAndEdit }}</MkButton>
+					<MkButton :class="$style.button" inline danger @click.stop.prevent="deleteScheduleNote()"><i class="ti ti-trash"></i> {{ i18n.ts.delete }}</MkButton>
+				</div>
 			</div>
 		</div>
 	</div>
@@ -24,18 +28,60 @@ SPDX-License-Identifier: AGPL-3.0-only
 <script lang="ts" setup>
 import { ref, watch } from 'vue';
 import * as Misskey from 'misskey-js';
+import * as os from '@/os.js';
 import MkNoteHeader from '@/components/MkNoteHeader.vue';
 import MkSubNoteContent from '@/components/MkSubNoteContent.vue';
 import MkCwButton from '@/components/MkCwButton.vue';
 import { defaultStore } from '@/store.js';
 
 const props = defineProps<{
-	note: Misskey.entities.Note;
+	note: Misskey.entities.Note & {
+		isSchedule? : boolean,
+		scheduledNoteId?: string
+	};
 	expandAllCws?: boolean;
 	hideFiles?: boolean;
 }>();
 
 let showContent = ref(defaultStore.state.uncollapseCW);
+const isDeleted = ref(false);
+
+const emit = defineEmits<{
+	(ev: 'editScheduleNote'): void;
+}>();
+
+async function deleteScheduleNote() {
+	const { canceled } = await os.confirm({
+		type: 'warning',
+		text: i18n.ts.deleteConfirm,
+		okText: i18n.ts.delete,
+		cancelText: i18n.ts.cancel,
+	});
+	if (canceled) return;
+	await os.apiWithDialog('notes/schedule/delete', { noteId: props.note.id })
+		.then(() => {
+			isDeleted.value = true;
+		});
+}
+
+async function editScheduleNote() {
+	try {
+		await misskeyApi('notes/schedule/delete', { noteId: props.note.id })
+			.then(() => {
+				isDeleted.value = true;
+			});
+	} catch (err) {
+		console.error(err);
+	}
+
+	await os.post({
+		initialNote: props.note,
+		renote: props.note.renote,
+		reply: props.note.reply,
+		channel: props.note.channel,
+	});
+	emit('editScheduleNote');
+}
 
 watch(() => props.expandAllCws, (expandAllCws) => {
 	if (expandAllCws !== showContent.value) showContent.value = expandAllCws;
@@ -50,6 +96,11 @@ watch(() => props.expandAllCws, (expandAllCws) => {
 	font-size: 0.95em;
 }
 
+.button{
+	margin-right: var(--margin);
+	margin-bottom: var(--margin);
+}
+
 .avatar {
 	flex-shrink: 0;
 	display: block;
diff --git a/packages/frontend/src/components/MkPostForm.vue b/packages/frontend/src/components/MkPostForm.vue
index 4a29b27ac4..443e9e7ee9 100644
--- a/packages/frontend/src/components/MkPostForm.vue
+++ b/packages/frontend/src/components/MkPostForm.vue
@@ -77,6 +77,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 	<input v-show="withHashtags" ref="hashtagsInputEl" v-model="hashtags" :class="$style.hashtags" :placeholder="i18n.ts.hashtags" list="hashtags">
 	<XPostFormAttaches v-model="files" @detach="detachFile" @changeSensitive="updateFileSensitive" @changeName="updateFileName" @replaceFile="replaceFile"/>
 	<MkPollEditor v-if="poll" v-model="poll" @destroyed="poll = null"/>
+	<MkScheduleEditor v-if="scheduleNote" v-model="scheduleNote" @destroyed="scheduleNote = null"/>
 	<MkNotePreview v-if="showPreview" :class="$style.preview" :text="text" :files="files" :poll="poll ?? undefined" :useCw="useCw" :cw="cw" :user="postAccount ?? $i"/>
 	<div v-if="showingOptions" style="padding: 8px 16px;">
 	</div>
@@ -90,6 +91,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 			<button v-if="postFormActions.length > 0" v-tooltip="i18n.ts.plugins" class="_button" :class="$style.footerButton" @click="showActions"><i class="ti ti-plug"></i></button>
 			<button v-tooltip="i18n.ts.emoji" :class="['_button', $style.footerButton]" @click="insertEmoji"><i class="ti ti-mood-happy"></i></button>
 			<button v-if="showAddMfmFunction" v-tooltip="i18n.ts.addMfmFunction" :class="['_button', $style.footerButton]" @click="insertMfmFunction"><i class="ti ti-palette"></i></button>
+			<button v-tooltip="i18n.ts.otherSettings" :class="['_button', $style.footerButton]" @click="showOtherMenu"><i class="ti ti-dots"></i></button>
 		</div>
 		<div :class="$style.footerRight">
 			<button v-tooltip="i18n.ts.previewNoteText" class="_button" :class="[$style.footerButton, { [$style.previewButtonActive]: showPreview }]" @click="showPreview = !showPreview"><i class="ti ti-eye"></i></button>
@@ -110,6 +112,7 @@ import * as Misskey from 'misskey-js';
 import insertTextAtCursor from 'insert-text-at-cursor';
 import { toASCII } from 'punycode/';
 import { host, url } from '@@/js/config.js';
+import type { MenuItem } from '@/types/menu.js';
 import MkNoteSimple from '@/components/MkNoteSimple.vue';
 import MkNotePreview from '@/components/MkNotePreview.vue';
 import XPostFormAttaches from '@/components/MkPostFormAttaches.vue';
@@ -133,6 +136,7 @@ import { miLocalStorage } from '@/local-storage.js';
 import { claimAchievement } from '@/scripts/achievements.js';
 import { emojiPicker } from '@/scripts/emoji-picker.js';
 import { mfmFunctionPicker } from '@/scripts/mfm-function-picker.js';
+import MkScheduleEditor from '@/components/MkScheduleEditor.vue';
 
 const $i = signinRequired();
 
@@ -150,7 +154,9 @@ const props = withDefaults(defineProps<{
 	initialFiles?: Misskey.entities.DriveFile[];
 	initialLocalOnly?: boolean;
 	initialVisibleUsers?: Misskey.entities.UserDetailed[];
-	initialNote?: Misskey.entities.Note;
+	initialNote?: Misskey.entities.Note & {
+		isSchedule?: boolean,
+	};
 	instant?: boolean;
 	fixed?: boolean;
 	autofocus?: boolean;
@@ -206,6 +212,9 @@ const recentHashtags = ref(JSON.parse(miLocalStorage.getItem('hashtags') ?? '[]'
 const imeText = ref('');
 const showingOptions = ref(false);
 const textAreaReadOnly = ref(false);
+const scheduleNote = ref<{
+	scheduledAt: number | null;
+} | null>(null);
 
 const draftKey = computed((): string => {
 	let key = props.channel ? `channel:${props.channel.id}` : '';
@@ -378,6 +387,7 @@ function watchForDraft() {
 	watch(localOnly, () => saveDraft());
 	watch(quoteId, () => saveDraft());
 	watch(reactionAcceptance, () => saveDraft());
+	watch(scheduleNote, () => saveDraft());
 }
 
 function MFMWindow() {
@@ -586,6 +596,7 @@ function clear() {
 	files.value = [];
 	poll.value = null;
 	quoteId.value = null;
+	scheduleNote.value = null;
 }
 
 function onKeydown(ev: KeyboardEvent) {
@@ -736,6 +747,7 @@ function saveDraft() {
 			visibleUserIds: visibility.value === 'specified' ? visibleUsers.value.map(x => x.id) : undefined,
 			quoteId: quoteId.value,
 			reactionAcceptance: reactionAcceptance.value,
+			scheduleNote: scheduleNote.value,
 		},
 	};
 
@@ -843,6 +855,7 @@ async function post(ev?: MouseEvent) {
 		visibleUserIds: visibility.value === 'specified' ? visibleUsers.value.map(u => u.id) : undefined,
 		reactionAcceptance: reactionAcceptance.value,
 		editId: props.editId ? props.editId : undefined,
+		scheduleNote: scheduleNote.value ?? undefined,
 	};
 
 	if (withHashtags.value && hashtags.value && hashtags.value.trim() !== '') {
@@ -879,7 +892,7 @@ async function post(ev?: MouseEvent) {
 	}
 
 	posting.value = true;
-	misskeyApi(postData.editId ? 'notes/edit' : 'notes/create', postData, token).then(() => {
+	misskeyApi(postData.editId ? 'notes/edit' : (postData.scheduleNote ? 'notes/schedule/create' : 'notes/create'), postData, token).then(() => {
 		if (props.freezeAfterPosted) {
 			posted.value = true;
 		} else {
@@ -901,6 +914,8 @@ async function post(ev?: MouseEvent) {
 				claimAchievement('notes1');
 			}
 
+			poll.value = null;
+
 			const text = postData.text ?? '';
 			const lowerCase = text.toLowerCase();
 			if ((lowerCase.includes('love') || lowerCase.includes('❤')) && lowerCase.includes('sharkey')) {
@@ -1030,6 +1045,41 @@ function openAccountMenu(ev: MouseEvent) {
 	}, ev);
 }
 
+function toggleScheduleNote() {
+	if (scheduleNote.value) scheduleNote.value = null;
+	else {
+		scheduleNote.value = {
+			scheduledAt: null,
+		};
+	}
+}
+
+function showOtherMenu(ev: MouseEvent) {
+	const menuItems: MenuItem[] = [];
+
+	if ($i.policies.scheduleNoteMax > 0) {
+		menuItems.push({
+			type: 'button',
+			text: i18n.ts.schedulePost,
+			icon: 'ti ti-calendar-time',
+			action: toggleScheduleNote,
+		}, {
+			type: 'button',
+			text: i18n.ts.schedulePostList,
+			icon: 'ti ti-calendar-event',
+			action: () => {
+				const { dispose } = os.popup(defineAsyncComponent(() => import('@/components/MkSchedulePostListDialog.vue')), {}, {
+					closed: () => {
+						dispose();
+					},
+				});
+			},
+		});
+	}
+
+	os.popupMenu(menuItems, ev.currentTarget ?? ev.target);
+}
+
 onMounted(() => {
 	if (props.autofocus) {
 		focus();
@@ -1099,6 +1149,11 @@ onMounted(() => {
 			}
 			quoteId.value = init.renote ? init.renote.id : null;
 			reactionAcceptance.value = init.reactionAcceptance;
+			if (init.isSchedule) {
+				scheduleNote.value = {
+					scheduledAt: new Date(init.createdAt).getTime(),
+				};
+			}
 		}
 
 		nextTick(() => watchForDraft());
diff --git a/packages/frontend/src/components/MkScheduleEditor.vue b/packages/frontend/src/components/MkScheduleEditor.vue
new file mode 100644
index 0000000000..8f18f620ae
--- /dev/null
+++ b/packages/frontend/src/components/MkScheduleEditor.vue
@@ -0,0 +1,69 @@
+<!--
+SPDX-FileCopyrightText: syuilo and other misskey contributors
+SPDX-License-Identifier: AGPL-3.0-only
+-->
+
+<template>
+<div style="padding: 8px 16px;">
+	<section>
+		<MkInput v-model="atDate" small type="date" class="input">
+			<template #label>{{ i18n.ts._poll.deadlineDate }}</template>
+		</MkInput>
+		<MkInput v-model="atTime" small type="time" class="input">
+			<template #label>{{ i18n.ts._poll.deadlineTime }}</template>
+		</MkInput>
+	</section>
+</div>
+</template>
+
+<script lang="ts" setup>
+import { onMounted, ref, watch } from 'vue';
+import MkInput from '@/components/MkInput.vue';
+import { formatDateTimeString } from '@/scripts/format-time-string.js';
+import { addTime } from '@/scripts/time.js';
+import { i18n } from '@/i18n.js';
+
+const props = defineProps<{
+  modelValue: {
+		scheduledAt: number | null;
+  };
+}>();
+
+const emit = defineEmits<{
+  (ev: 'update:modelValue', v: {
+		scheduledAt: number | null;
+  }): void;
+}>();
+
+const atDate = ref(formatDateTimeString(addTime(new Date(), 1, 'day'), 'yyyy-MM-dd'));
+const atTime = ref('00:00');
+
+if (props.modelValue.scheduledAt) {
+	const date = new Date(props.modelValue.scheduledAt);
+	atDate.value = formatDateTimeString(date, 'yyyy-MM-dd');
+	atTime.value = formatDateTimeString(date, 'HH:mm');
+}
+
+function get() {
+	const calcAt = () => {
+		return new Date(`${ atDate.value } ${ atTime.value }`).getTime();
+	};
+
+	return {
+		...(
+			{ scheduledAt: calcAt() }
+		),
+	};
+}
+
+watch([
+	atDate,
+	atTime,
+], () => emit('update:modelValue', get()), {
+	deep: true,
+});
+
+onMounted(() => {
+	emit('update:modelValue', get());
+});
+</script>
diff --git a/packages/frontend/src/components/MkSchedulePostListDialog.vue b/packages/frontend/src/components/MkSchedulePostListDialog.vue
new file mode 100644
index 0000000000..cf793c7110
--- /dev/null
+++ b/packages/frontend/src/components/MkSchedulePostListDialog.vue
@@ -0,0 +1,60 @@
+<!--
+SPDX-FileCopyrightText: syuilo and other misskey contributors
+SPDX-License-Identifier: AGPL-3.0-only
+-->
+
+<template>
+<MkModalWindow
+	ref="dialogEl"
+	:withOkButton="false"
+	@click="cancel()"
+	@close="cancel()"
+>
+	<template #header>{{ i18n.ts.schedulePostList }}</template>
+	<MkSpacer :marginMin="14" :marginMax="16">
+		<MkPagination ref="paginationEl" :pagination="pagination">
+			<template #empty>
+				<div class="_fullinfo">
+					<img :src="infoImageUrl" class="_ghost"/>
+					<div>{{ i18n.ts.nothing }}</div>
+				</div>
+			</template>
+
+			<template #default="{ items }">
+				<div class="_gaps">
+					<MkNoteSimple v-for="item in items" :key="item.id" :scheduled="true" :note="item.note" @editScheduleNote="listUpdate"/>
+				</div>
+			</template>
+		</MkPagination>
+	</MkSpacer>
+</MkModalWindow>
+</template>
+
+<script lang="ts" setup>
+import { ref } from 'vue';
+import type { Paging } from '@/components/MkPagination.vue';
+import MkModalWindow from '@/components/MkModalWindow.vue';
+import MkPagination from '@/components/MkPagination.vue';
+import MkNoteSimple from '@/components/MkNoteSimple.vue';
+import { i18n } from '@/i18n.js';
+import { infoImageUrl } from '@/instance.js';
+
+const emit = defineEmits<{
+	(ev: 'cancel'): void;
+}>();
+
+const dialogEl = ref();
+const cancel = () => {
+	emit('cancel');
+	dialogEl.value.close();
+};
+const paginationEl = ref();
+const pagination: Paging = {
+	endpoint: 'notes/schedule/list',
+	limit: 10,
+};
+
+function listUpdate() {
+	paginationEl.value.reload();
+}
+</script>
diff --git a/packages/frontend/src/os.ts b/packages/frontend/src/os.ts
index e73aa77a3c..deb629d534 100644
--- a/packages/frontend/src/os.ts
+++ b/packages/frontend/src/os.ts
@@ -733,3 +733,4 @@ export function checkExistence(fileData: ArrayBuffer): Promise<any> {
 		});
 	});
 }*/
+
diff --git a/packages/frontend/src/pages/admin/roles.editor.vue b/packages/frontend/src/pages/admin/roles.editor.vue
index 1763db2323..5d896db98c 100644
--- a/packages/frontend/src/pages/admin/roles.editor.vue
+++ b/packages/frontend/src/pages/admin/roles.editor.vue
@@ -200,6 +200,25 @@ SPDX-License-Identifier: AGPL-3.0-only
 				</div>
 			</MkFolder>
 
+			<MkFolder v-if="matchQuery([i18n.ts._role._options.scheduleNoteMax, 'scheduleNoteMax'])">
+				<template #label>{{ i18n.ts._role._options.scheduleNoteMax }}</template>
+				<template #suffix>
+					<span v-if="role.policies.scheduleNoteMax.useDefault" :class="$style.useDefaultLabel">{{ i18n.ts._role.useBaseValue }}</span>
+					<span v-else>{{ role.policies.scheduleNoteMax.value }}</span>
+					<span :class="$style.priorityIndicator"><i :class="getPriorityIcon(role.policies.scheduleNoteMax)"></i></span>
+				</template>
+				<div class="_gaps">
+					<MkSwitch v-model="role.policies.scheduleNoteMax.useDefault" :readonly="readonly">
+						<template #label>{{ i18n.ts._role.useBaseValue }}</template>
+					</MkSwitch>
+					<MkInput v-model="role.policies.scheduleNoteMax.value" :disabled="role.policies.scheduleNoteMax.useDefault" type="number" :readonly="readonly">
+					</MkInput>
+					<MkRange v-model="role.policies.scheduleNoteMax.priority" :min="0" :max="2" :step="1" easing :textConverter="(v) => v === 0 ? i18n.ts._role._priority.low : v === 1 ? i18n.ts._role._priority.middle : v === 2 ? i18n.ts._role._priority.high : ''">
+						<template #label>{{ i18n.ts._role.priority }}</template>
+					</MkRange>
+				</div>
+			</MkFolder>
+
 			<MkFolder v-if="matchQuery([i18n.ts._role._options.mentionMax, 'mentionLimit'])">
 				<template #label>{{ i18n.ts._role._options.mentionMax }}</template>
 				<template #suffix>
diff --git a/packages/frontend/src/pages/admin/roles.vue b/packages/frontend/src/pages/admin/roles.vue
index 00a25446ab..036f18fe0d 100644
--- a/packages/frontend/src/pages/admin/roles.vue
+++ b/packages/frontend/src/pages/admin/roles.vue
@@ -70,6 +70,13 @@ SPDX-License-Identifier: AGPL-3.0-only
 							</MkSwitch>
 						</MkFolder>
 
+						<MkFolder v-if="matchQuery([i18n.ts._role._options.scheduleNoteMax, 'scheduleNoteMax'])">
+							<template #label>{{ i18n.ts._role._options.scheduleNoteMax }}</template>
+							<template #suffix>{{ policies.scheduleNoteMax }}</template>
+							<MkInput v-model="policies.scheduleNoteMax" type="number">
+							</MkInput>
+						</MkFolder>
+
 						<MkFolder v-if="matchQuery([i18n.ts._role._options.mentionMax, 'mentionLimit'])">
 							<template #label>{{ i18n.ts._role._options.mentionMax }}</template>
 							<template #suffix>{{ policies.mentionLimit }}</template>
diff --git a/packages/misskey-js/etc/misskey-js.api.md b/packages/misskey-js/etc/misskey-js.api.md
index 5af1a4112f..a74a4521e7 100644
--- a/packages/misskey-js/etc/misskey-js.api.md
+++ b/packages/misskey-js/etc/misskey-js.api.md
@@ -1684,6 +1684,10 @@ declare namespace entities {
         NotesRenotesResponse,
         NotesRepliesRequest,
         NotesRepliesResponse,
+        NotesScheduleCreateRequest,
+        NotesScheduleDeleteRequest,
+        NotesScheduleListRequest,
+        NotesScheduleListResponse,
         NotesSearchByTagRequest,
         NotesSearchByTagResponse,
         NotesSearchRequest,
@@ -2808,6 +2812,18 @@ type NotesRequest = operations['notes']['requestBody']['content']['application/j
 type NotesResponse = operations['notes']['responses']['200']['content']['application/json'];
 
 // @public (undocumented)
+type NotesScheduleCreateRequest = operations['notes___schedule___create']['requestBody']['content']['application/json'];
+
+// @public (undocumented)
+type NotesScheduleDeleteRequest = operations['notes___schedule___delete']['requestBody']['content']['application/json'];
+
+// @public (undocumented)
+type NotesScheduleListRequest = operations['notes___schedule___list']['requestBody']['content']['application/json'];
+
+// @public (undocumented)
+type NotesScheduleListResponse = operations['notes___schedule___list']['responses']['200']['content']['application/json'];
+
+// @public (undocumented)
 type NotesSearchByTagRequest = operations['notes___search-by-tag']['requestBody']['content']['application/json'];
 
 // @public (undocumented)
diff --git a/packages/misskey-js/src/autogen/apiClientJSDoc.ts b/packages/misskey-js/src/autogen/apiClientJSDoc.ts
index 3fa67b7990..4b0e8173f8 100644
--- a/packages/misskey-js/src/autogen/apiClientJSDoc.ts
+++ b/packages/misskey-js/src/autogen/apiClientJSDoc.ts
@@ -3388,6 +3388,39 @@ declare module '../api.js' {
     /**
      * No description provided.
      * 
+     * **Credential required**: *Yes* / **Permission**: *write:notes-schedule*
+     */
+    request<E extends 'notes/schedule/create', P extends Endpoints[E]['req']>(
+      endpoint: E,
+      params: P,
+      credential?: string | null,
+    ): Promise<SwitchCaseResponseType<E, P>>;
+
+    /**
+     * No description provided.
+     * 
+     * **Credential required**: *Yes* / **Permission**: *write:notes-schedule*
+     */
+    request<E extends 'notes/schedule/delete', P extends Endpoints[E]['req']>(
+      endpoint: E,
+      params: P,
+      credential?: string | null,
+    ): Promise<SwitchCaseResponseType<E, P>>;
+
+    /**
+     * No description provided.
+     * 
+     * **Credential required**: *Yes* / **Permission**: *read:notes-schedule*
+     */
+    request<E extends 'notes/schedule/list', P extends Endpoints[E]['req']>(
+      endpoint: E,
+      params: P,
+      credential?: string | null,
+    ): Promise<SwitchCaseResponseType<E, P>>;
+
+    /**
+     * No description provided.
+     * 
      * **Credential required**: *No*
      */
     request<E extends 'notes/search-by-tag', P extends Endpoints[E]['req']>(
diff --git a/packages/misskey-js/src/autogen/endpoint.ts b/packages/misskey-js/src/autogen/endpoint.ts
index 609c9f99d8..5caddb602b 100644
--- a/packages/misskey-js/src/autogen/endpoint.ts
+++ b/packages/misskey-js/src/autogen/endpoint.ts
@@ -450,6 +450,10 @@ import type {
 	NotesRenotesResponse,
 	NotesRepliesRequest,
 	NotesRepliesResponse,
+	NotesScheduleCreateRequest,
+	NotesScheduleDeleteRequest,
+	NotesScheduleListRequest,
+	NotesScheduleListResponse,
 	NotesSearchByTagRequest,
 	NotesSearchByTagResponse,
 	NotesSearchRequest,
@@ -900,6 +904,9 @@ export type Endpoints = {
 	'notes/like': { req: NotesLikeRequest; res: EmptyResponse };
 	'notes/renotes': { req: NotesRenotesRequest; res: NotesRenotesResponse };
 	'notes/replies': { req: NotesRepliesRequest; res: NotesRepliesResponse };
+	'notes/schedule/create': { req: NotesScheduleCreateRequest; res: EmptyResponse };
+	'notes/schedule/delete': { req: NotesScheduleDeleteRequest; res: EmptyResponse };
+	'notes/schedule/list': { req: NotesScheduleListRequest; res: NotesScheduleListResponse };
 	'notes/search-by-tag': { req: NotesSearchByTagRequest; res: NotesSearchByTagResponse };
 	'notes/search': { req: NotesSearchRequest; res: NotesSearchResponse };
 	'notes/show': { req: NotesShowRequest; res: NotesShowResponse };
diff --git a/packages/misskey-js/src/autogen/entities.ts b/packages/misskey-js/src/autogen/entities.ts
index 999dd4dd54..2da78f6a50 100644
--- a/packages/misskey-js/src/autogen/entities.ts
+++ b/packages/misskey-js/src/autogen/entities.ts
@@ -453,6 +453,10 @@ export type NotesRenotesRequest = operations['notes___renotes']['requestBody']['
 export type NotesRenotesResponse = operations['notes___renotes']['responses']['200']['content']['application/json'];
 export type NotesRepliesRequest = operations['notes___replies']['requestBody']['content']['application/json'];
 export type NotesRepliesResponse = operations['notes___replies']['responses']['200']['content']['application/json'];
+export type NotesScheduleCreateRequest = operations['notes___schedule___create']['requestBody']['content']['application/json'];
+export type NotesScheduleDeleteRequest = operations['notes___schedule___delete']['requestBody']['content']['application/json'];
+export type NotesScheduleListRequest = operations['notes___schedule___list']['requestBody']['content']['application/json'];
+export type NotesScheduleListResponse = operations['notes___schedule___list']['responses']['200']['content']['application/json'];
 export type NotesSearchByTagRequest = operations['notes___search-by-tag']['requestBody']['content']['application/json'];
 export type NotesSearchByTagResponse = operations['notes___search-by-tag']['responses']['200']['content']['application/json'];
 export type NotesSearchRequest = operations['notes___search']['requestBody']['content']['application/json'];
diff --git a/packages/misskey-js/src/autogen/types.ts b/packages/misskey-js/src/autogen/types.ts
index ad30f47f2e..2e6320c5be 100644
--- a/packages/misskey-js/src/autogen/types.ts
+++ b/packages/misskey-js/src/autogen/types.ts
@@ -2935,6 +2935,33 @@ export type paths = {
      */
     post: operations['notes___replies'];
   };
+  '/notes/schedule/create': {
+    /**
+     * notes/schedule/create
+     * @description No description provided.
+     *
+     * **Credential required**: *Yes* / **Permission**: *write:notes-schedule*
+     */
+    post: operations['notes___schedule___create'];
+  };
+  '/notes/schedule/delete': {
+    /**
+     * notes/schedule/delete
+     * @description No description provided.
+     *
+     * **Credential required**: *Yes* / **Permission**: *write:notes-schedule*
+     */
+    post: operations['notes___schedule___delete'];
+  };
+  '/notes/schedule/list': {
+    /**
+     * notes/schedule/list
+     * @description No description provided.
+     *
+     * **Credential required**: *Yes* / **Permission**: *read:notes-schedule*
+     */
+    post: operations['notes___schedule___list'];
+  };
   '/notes/search-by-tag': {
     /**
      * notes/search-by-tag
@@ -5036,6 +5063,7 @@ export type components = {
       canImportFollowing: boolean;
       canImportMuting: boolean;
       canImportUserLists: boolean;
+      scheduleNoteMax: number;
     };
     ReversiGameLite: {
       /** Format: id */
@@ -24425,6 +24453,247 @@ export type operations = {
     };
   };
   /**
+   * notes/schedule/create
+   * @description No description provided.
+   *
+   * **Credential required**: *Yes* / **Permission**: *write:notes-schedule*
+   */
+  notes___schedule___create: {
+    requestBody: {
+      content: {
+        'application/json': {
+          /**
+           * @default public
+           * @enum {string}
+           */
+          visibility?: 'public' | 'home' | 'followers' | 'specified';
+          visibleUserIds?: string[];
+          cw?: string | null;
+          /**
+           * @default null
+           * @enum {string|null}
+           */
+          reactionAcceptance?: null | 'likeOnly' | 'likeOnlyForRemote' | 'nonSensitiveOnly' | 'nonSensitiveOnlyForLocalLikeOnlyForRemote';
+          /** @default false */
+          disableRightClick?: boolean;
+          /** @default false */
+          noExtractMentions?: boolean;
+          /** @default false */
+          noExtractHashtags?: boolean;
+          /** @default false */
+          noExtractEmojis?: boolean;
+          /** Format: misskey:id */
+          replyId?: string | null;
+          /** Format: misskey:id */
+          renoteId?: string | null;
+          text?: string | null;
+          fileIds?: string[];
+          mediaIds?: string[];
+          poll?: ({
+            choices: string[];
+            multiple?: boolean;
+            expiresAt?: number | null;
+            expiredAfter?: number | null;
+          }) | null;
+          event?: ({
+            title?: string;
+            start?: number;
+            end?: number | null;
+            metadata?: Record<string, never>;
+          }) | null;
+          scheduleNote: {
+            scheduledAt?: number;
+          };
+        };
+      };
+    };
+    responses: {
+      /** @description OK (without any results) */
+      204: {
+        content: never;
+      };
+      /** @description Client error */
+      400: {
+        content: {
+          'application/json': components['schemas']['Error'];
+        };
+      };
+      /** @description Authentication error */
+      401: {
+        content: {
+          'application/json': components['schemas']['Error'];
+        };
+      };
+      /** @description Forbidden error */
+      403: {
+        content: {
+          'application/json': components['schemas']['Error'];
+        };
+      };
+      /** @description I'm Ai */
+      418: {
+        content: {
+          'application/json': components['schemas']['Error'];
+        };
+      };
+      /** @description To many requests */
+      429: {
+        content: {
+          'application/json': components['schemas']['Error'];
+        };
+      };
+      /** @description Internal server error */
+      500: {
+        content: {
+          'application/json': components['schemas']['Error'];
+        };
+      };
+    };
+  };
+  /**
+   * notes/schedule/delete
+   * @description No description provided.
+   *
+   * **Credential required**: *Yes* / **Permission**: *write:notes-schedule*
+   */
+  notes___schedule___delete: {
+    requestBody: {
+      content: {
+        'application/json': {
+          /** Format: misskey:id */
+          noteId: string;
+        };
+      };
+    };
+    responses: {
+      /** @description OK (without any results) */
+      204: {
+        content: never;
+      };
+      /** @description Client error */
+      400: {
+        content: {
+          'application/json': components['schemas']['Error'];
+        };
+      };
+      /** @description Authentication error */
+      401: {
+        content: {
+          'application/json': components['schemas']['Error'];
+        };
+      };
+      /** @description Forbidden error */
+      403: {
+        content: {
+          'application/json': components['schemas']['Error'];
+        };
+      };
+      /** @description I'm Ai */
+      418: {
+        content: {
+          'application/json': components['schemas']['Error'];
+        };
+      };
+      /** @description To many requests */
+      429: {
+        content: {
+          'application/json': components['schemas']['Error'];
+        };
+      };
+      /** @description Internal server error */
+      500: {
+        content: {
+          'application/json': components['schemas']['Error'];
+        };
+      };
+    };
+  };
+  /**
+   * notes/schedule/list
+   * @description No description provided.
+   *
+   * **Credential required**: *Yes* / **Permission**: *read:notes-schedule*
+   */
+  notes___schedule___list: {
+    requestBody: {
+      content: {
+        'application/json': {
+          /** Format: misskey:id */
+          sinceId?: string;
+          /** Format: misskey:id */
+          untilId?: string;
+          /** @default 10 */
+          limit?: number;
+        };
+      };
+    };
+    responses: {
+      /** @description OK (with results) */
+      200: {
+        content: {
+          'application/json': ({
+              /** Format: misskey:id */
+              id: string;
+              note: {
+                createdAt: string;
+                text?: string;
+                cw?: string | null;
+                fileIds: string[];
+                /** @enum {string} */
+                visibility: 'public' | 'home' | 'followers' | 'specified';
+                visibleUsers: components['schemas']['UserLite'][];
+                user: components['schemas']['User'];
+                /**
+                 * @default null
+                 * @enum {string|null}
+                 */
+                reactionAcceptance: null | 'likeOnly' | 'likeOnlyForRemote' | 'nonSensitiveOnly' | 'nonSensitiveOnlyForLocalLikeOnlyForRemote';
+                isSchedule: boolean;
+              };
+              userId: string;
+              scheduledAt: string;
+            })[];
+        };
+      };
+      /** @description Client error */
+      400: {
+        content: {
+          'application/json': components['schemas']['Error'];
+        };
+      };
+      /** @description Authentication error */
+      401: {
+        content: {
+          'application/json': components['schemas']['Error'];
+        };
+      };
+      /** @description Forbidden error */
+      403: {
+        content: {
+          'application/json': components['schemas']['Error'];
+        };
+      };
+      /** @description I'm Ai */
+      418: {
+        content: {
+          'application/json': components['schemas']['Error'];
+        };
+      };
+      /** @description To many requests */
+      429: {
+        content: {
+          'application/json': components['schemas']['Error'];
+        };
+      };
+      /** @description Internal server error */
+      500: {
+        content: {
+          'application/json': components['schemas']['Error'];
+        };
+      };
+    };
+  };
+  /**
    * notes/search-by-tag
    * @description No description provided.
    *
diff --git a/packages/misskey-js/src/consts.ts b/packages/misskey-js/src/consts.ts
index c99b8f5570..d090a6b46f 100644
--- a/packages/misskey-js/src/consts.ts
+++ b/packages/misskey-js/src/consts.ts
@@ -42,6 +42,8 @@ export const permissions = [
 	'read:mutes',
 	'write:mutes',
 	'write:notes',
+	'read:notes-schedule',
+	'write:notes-schedule',
 	'read:notifications',
 	'write:notifications',
 	'read:reactions',