diff --git a/mobile/lib/shared/models/asset.dart b/mobile/lib/shared/models/asset.dart
index 0bee110f8a..840653554e 100644
--- a/mobile/lib/shared/models/asset.dart
+++ b/mobile/lib/shared/models/asset.dart
@@ -15,9 +15,9 @@ class Asset {
   Asset.remote(AssetResponseDto remote)
       : remoteId = remote.id,
         isLocal = false,
-        fileCreatedAt = DateTime.parse(remote.fileCreatedAt),
-        fileModifiedAt = DateTime.parse(remote.fileModifiedAt),
-        updatedAt = DateTime.parse(remote.updatedAt),
+        fileCreatedAt = remote.fileCreatedAt,
+        fileModifiedAt = remote.fileModifiedAt,
+        updatedAt = remote.updatedAt,
         durationInSeconds = remote.duration.toDuration()?.inSeconds ?? 0,
         type = remote.type.toAssetType(),
         fileName = p.basename(remote.originalPath),
diff --git a/mobile/openapi/doc/AssetApi.md b/mobile/openapi/doc/AssetApi.md
index 9bee8759ac..9a1c073406 100644
Binary files a/mobile/openapi/doc/AssetApi.md and b/mobile/openapi/doc/AssetApi.md differ
diff --git a/mobile/openapi/doc/AssetResponseDto.md b/mobile/openapi/doc/AssetResponseDto.md
index e4cef33ec3..f64e7144f6 100644
Binary files a/mobile/openapi/doc/AssetResponseDto.md and b/mobile/openapi/doc/AssetResponseDto.md differ
diff --git a/mobile/openapi/lib/api/asset_api.dart b/mobile/openapi/lib/api/asset_api.dart
index 609a6536cd..e27d4e4557 100644
Binary files a/mobile/openapi/lib/api/asset_api.dart and b/mobile/openapi/lib/api/asset_api.dart differ
diff --git a/mobile/openapi/lib/model/asset_response_dto.dart b/mobile/openapi/lib/model/asset_response_dto.dart
index 664a5a76f7..22f6f5f5d1 100644
Binary files a/mobile/openapi/lib/model/asset_response_dto.dart and b/mobile/openapi/lib/model/asset_response_dto.dart differ
diff --git a/mobile/openapi/test/asset_api_test.dart b/mobile/openapi/test/asset_api_test.dart
index e9615e2d50..e5d50815ca 100644
Binary files a/mobile/openapi/test/asset_api_test.dart and b/mobile/openapi/test/asset_api_test.dart differ
diff --git a/mobile/openapi/test/asset_response_dto_test.dart b/mobile/openapi/test/asset_response_dto_test.dart
index fb446bd21a..34b31d510e 100644
Binary files a/mobile/openapi/test/asset_response_dto_test.dart and b/mobile/openapi/test/asset_response_dto_test.dart differ
diff --git a/server/apps/immich/src/api-v1/asset/asset.service.spec.ts b/server/apps/immich/src/api-v1/asset/asset.service.spec.ts
index 98838de378..abe63eac7e 100644
--- a/server/apps/immich/src/api-v1/asset/asset.service.spec.ts
+++ b/server/apps/immich/src/api-v1/asset/asset.service.spec.ts
@@ -37,8 +37,8 @@ const _getCreateAssetDto = (): CreateAssetDto => {
   createAssetDto.deviceAssetId = 'deviceAssetId';
   createAssetDto.deviceId = 'deviceId';
   createAssetDto.assetType = AssetType.OTHER;
-  createAssetDto.fileCreatedAt = '2022-06-19T23:41:36.910Z';
-  createAssetDto.fileModifiedAt = '2022-06-19T23:41:36.910Z';
+  createAssetDto.fileCreatedAt = new Date('2022-06-19T23:41:36.910Z');
+  createAssetDto.fileModifiedAt = new Date('2022-06-19T23:41:36.910Z');
   createAssetDto.isFavorite = false;
   createAssetDto.isArchived = false;
   createAssetDto.duration = '0:00:00.000000';
@@ -56,9 +56,9 @@ const _getAsset_1 = () => {
   asset_1.type = AssetType.VIDEO;
   asset_1.originalPath = 'fake_path/asset_1.jpeg';
   asset_1.resizePath = '';
-  asset_1.fileModifiedAt = '2022-06-19T23:41:36.910Z';
-  asset_1.fileCreatedAt = '2022-06-19T23:41:36.910Z';
-  asset_1.updatedAt = '2022-06-19T23:41:36.910Z';
+  asset_1.fileModifiedAt = new Date('2022-06-19T23:41:36.910Z');
+  asset_1.fileCreatedAt = new Date('2022-06-19T23:41:36.910Z');
+  asset_1.updatedAt = new Date('2022-06-19T23:41:36.910Z');
   asset_1.isFavorite = false;
   asset_1.isArchived = false;
   asset_1.mimeType = 'image/jpeg';
@@ -81,9 +81,9 @@ const _getAsset_2 = () => {
   asset_2.type = AssetType.VIDEO;
   asset_2.originalPath = 'fake_path/asset_2.jpeg';
   asset_2.resizePath = '';
-  asset_2.fileModifiedAt = '2022-06-19T23:41:36.910Z';
-  asset_2.fileCreatedAt = '2022-06-19T23:41:36.910Z';
-  asset_2.updatedAt = '2022-06-19T23:41:36.910Z';
+  asset_2.fileModifiedAt = new Date('2022-06-19T23:41:36.910Z');
+  asset_2.fileCreatedAt = new Date('2022-06-19T23:41:36.910Z');
+  asset_2.updatedAt = new Date('2022-06-19T23:41:36.910Z');
   asset_2.isFavorite = false;
   asset_2.isArchived = false;
   asset_2.mimeType = 'image/jpeg';
diff --git a/server/apps/immich/src/api-v1/asset/dto/create-asset.dto.ts b/server/apps/immich/src/api-v1/asset/dto/create-asset.dto.ts
index 582b1249aa..1c4880fc80 100644
--- a/server/apps/immich/src/api-v1/asset/dto/create-asset.dto.ts
+++ b/server/apps/immich/src/api-v1/asset/dto/create-asset.dto.ts
@@ -16,10 +16,10 @@ export class CreateAssetDto {
   assetType!: AssetType;
 
   @IsNotEmpty()
-  fileCreatedAt!: string;
+  fileCreatedAt!: Date;
 
   @IsNotEmpty()
-  fileModifiedAt!: string;
+  fileModifiedAt!: Date;
 
   @IsNotEmpty()
   isFavorite!: boolean;
diff --git a/server/apps/microservices/src/processors/metadata-extraction.processor.ts b/server/apps/microservices/src/processors/metadata-extraction.processor.ts
index af8767a35b..8395b9fdad 100644
--- a/server/apps/microservices/src/processors/metadata-extraction.processor.ts
+++ b/server/apps/microservices/src/processors/metadata-extraction.processor.ts
@@ -214,7 +214,7 @@ export class MetadataExtractionProcessor {
     }
 
     await this.exifRepository.upsert(newExif, { conflictPaths: ['assetId'] });
-    await this.assetRepository.save({ id: asset.id, fileCreatedAt: fileCreatedAt?.toISOString() });
+    await this.assetRepository.save({ id: asset.id, fileCreatedAt: fileCreatedAt || undefined });
 
     return true;
   }
@@ -227,9 +227,9 @@ export class MetadataExtractionProcessor {
     const videoTags = data.format.tags;
     if (videoTags) {
       if (videoTags['com.apple.quicktime.creationdate']) {
-        fileCreatedAt = String(videoTags['com.apple.quicktime.creationdate']);
+        fileCreatedAt = new Date(videoTags['com.apple.quicktime.creationdate']);
       } else if (videoTags['creation_time']) {
-        fileCreatedAt = String(videoTags['creation_time']);
+        fileCreatedAt = new Date(videoTags['creation_time']);
       }
     }
 
diff --git a/server/immich-openapi-specs.json b/server/immich-openapi-specs.json
index c795ef0f78..2fbf1a22a4 100644
--- a/server/immich-openapi-specs.json
+++ b/server/immich-openapi-specs.json
@@ -4450,12 +4450,15 @@
             "type": "boolean"
           },
           "fileCreatedAt": {
+            "format": "date-time",
             "type": "string"
           },
           "fileModifiedAt": {
+            "format": "date-time",
             "type": "string"
           },
           "updatedAt": {
+            "format": "date-time",
             "type": "string"
           },
           "isFavorite": {
@@ -5783,9 +5786,11 @@
             "type": "string"
           },
           "fileCreatedAt": {
+            "format": "date-time",
             "type": "string"
           },
           "fileModifiedAt": {
+            "format": "date-time",
             "type": "string"
           },
           "isFavorite": {
diff --git a/server/libs/domain/src/asset/asset.repository.ts b/server/libs/domain/src/asset/asset.repository.ts
index efdfe2eca0..21f88a0c8e 100644
--- a/server/libs/domain/src/asset/asset.repository.ts
+++ b/server/libs/domain/src/asset/asset.repository.ts
@@ -15,8 +15,8 @@ export interface LivePhotoSearchOptions {
 
 export interface MapMarkerSearchOptions {
   isFavorite?: boolean;
-  fileCreatedBefore?: string;
-  fileCreatedAfter?: string;
+  fileCreatedBefore?: Date;
+  fileCreatedAfter?: Date;
 }
 
 export interface MapMarker {
diff --git a/server/libs/domain/src/asset/dto/map-marker.dto.ts b/server/libs/domain/src/asset/dto/map-marker.dto.ts
index 1fef60c16e..5398b95472 100644
--- a/server/libs/domain/src/asset/dto/map-marker.dto.ts
+++ b/server/libs/domain/src/asset/dto/map-marker.dto.ts
@@ -1,7 +1,7 @@
 import { ApiProperty } from '@nestjs/swagger';
 import { toBoolean } from 'apps/immich/src/utils/transform.util';
-import { Transform } from 'class-transformer';
-import { IsBoolean, IsISO8601, IsOptional } from 'class-validator';
+import { Transform, Type } from 'class-transformer';
+import { IsBoolean, IsDate, IsOptional } from 'class-validator';
 
 export class MapMarkerDto {
   @ApiProperty()
@@ -10,13 +10,13 @@ export class MapMarkerDto {
   @Transform(toBoolean)
   isFavorite?: boolean;
 
-  @ApiProperty({ format: 'date-time' })
   @IsOptional()
-  @IsISO8601({ strict: true, strictSeparator: true })
-  fileCreatedAfter?: string;
+  @IsDate()
+  @Type(() => Date)
+  fileCreatedAfter?: Date;
 
-  @ApiProperty({ format: 'date-time' })
   @IsOptional()
-  @IsISO8601({ strict: true, strictSeparator: true })
-  fileCreatedBefore?: string;
+  @IsDate()
+  @Type(() => Date)
+  fileCreatedBefore?: Date;
 }
diff --git a/server/libs/domain/src/asset/response-dto/asset-response.dto.ts b/server/libs/domain/src/asset/response-dto/asset-response.dto.ts
index 8a17466132..4ece34bcd6 100644
--- a/server/libs/domain/src/asset/response-dto/asset-response.dto.ts
+++ b/server/libs/domain/src/asset/response-dto/asset-response.dto.ts
@@ -16,9 +16,9 @@ export class AssetResponseDto {
   originalPath!: string;
   originalFileName!: string;
   resized!: boolean;
-  fileCreatedAt!: string;
-  fileModifiedAt!: string;
-  updatedAt!: string;
+  fileCreatedAt!: Date;
+  fileModifiedAt!: Date;
+  updatedAt!: Date;
   isFavorite!: boolean;
   isArchived!: boolean;
   mimeType!: string | null;
diff --git a/server/libs/domain/src/storage-template/storage-template.core.ts b/server/libs/domain/src/storage-template/storage-template.core.ts
index 85c3d12b2b..da97ab6294 100644
--- a/server/libs/domain/src/storage-template/storage-template.core.ts
+++ b/server/libs/domain/src/storage-template/storage-template.core.ts
@@ -107,7 +107,7 @@ export class StorageTemplateCore {
       this.render(
         template,
         {
-          fileCreatedAt: new Date().toISOString(),
+          fileCreatedAt: new Date(),
           originalPath: '/upload/test/IMG_123.jpg',
           type: AssetType.IMAGE,
         } as AssetEntity,
@@ -140,7 +140,7 @@ export class StorageTemplateCore {
       filetypefull: asset.type == AssetType.IMAGE ? 'IMAGE' : 'VIDEO',
     };
 
-    const dt = luxon.DateTime.fromISO(new Date(asset.fileCreatedAt).toISOString());
+    const dt = luxon.DateTime.fromJSDate(asset.fileCreatedAt);
 
     const dateTokens = [
       ...supportedYearTokens,
diff --git a/server/libs/domain/test/fixtures.ts b/server/libs/domain/test/fixtures.ts
index 1a1753352c..da420346fe 100644
--- a/server/libs/domain/test/fixtures.ts
+++ b/server/libs/domain/test/fixtures.ts
@@ -140,8 +140,8 @@ export const assetEntityStub = {
     id: 'asset-id',
     originalFileName: 'asset_1.jpeg',
     deviceAssetId: 'device-asset-id',
-    fileModifiedAt: '2023-02-23T05:06:29.716Z',
-    fileCreatedAt: '2023-02-23T05:06:29.716Z',
+    fileModifiedAt: new Date('2023-02-23T05:06:29.716Z'),
+    fileCreatedAt: new Date('2023-02-23T05:06:29.716Z'),
     owner: userEntityStub.user1,
     ownerId: 'user-id',
     deviceId: 'device-id',
@@ -151,8 +151,8 @@ export const assetEntityStub = {
     type: AssetType.IMAGE,
     webpPath: null,
     encodedVideoPath: null,
-    createdAt: '2023-02-23T05:06:29.716Z',
-    updatedAt: '2023-02-23T05:06:29.716Z',
+    createdAt: new Date('2023-02-23T05:06:29.716Z'),
+    updatedAt: new Date('2023-02-23T05:06:29.716Z'),
     mimeType: null,
     isFavorite: true,
     isArchived: false,
@@ -168,8 +168,8 @@ export const assetEntityStub = {
   image: Object.freeze<AssetEntity>({
     id: 'asset-id',
     deviceAssetId: 'device-asset-id',
-    fileModifiedAt: '2023-02-23T05:06:29.716Z',
-    fileCreatedAt: '2023-02-23T05:06:29.716Z',
+    fileModifiedAt: new Date('2023-02-23T05:06:29.716Z'),
+    fileCreatedAt: new Date('2023-02-23T05:06:29.716Z'),
     owner: userEntityStub.user1,
     ownerId: 'user-id',
     deviceId: 'device-id',
@@ -179,8 +179,8 @@ export const assetEntityStub = {
     type: AssetType.IMAGE,
     webpPath: null,
     encodedVideoPath: null,
-    createdAt: '2023-02-23T05:06:29.716Z',
-    updatedAt: '2023-02-23T05:06:29.716Z',
+    createdAt: new Date('2023-02-23T05:06:29.716Z'),
+    updatedAt: new Date('2023-02-23T05:06:29.716Z'),
     mimeType: null,
     isFavorite: true,
     isArchived: false,
@@ -198,8 +198,8 @@ export const assetEntityStub = {
     id: 'asset-id',
     originalFileName: 'asset-id.ext',
     deviceAssetId: 'device-asset-id',
-    fileModifiedAt: '2023-02-23T05:06:29.716Z',
-    fileCreatedAt: '2023-02-23T05:06:29.716Z',
+    fileModifiedAt: new Date('2023-02-23T05:06:29.716Z'),
+    fileCreatedAt: new Date('2023-02-23T05:06:29.716Z'),
     owner: userEntityStub.user1,
     ownerId: 'user-id',
     deviceId: 'device-id',
@@ -209,8 +209,8 @@ export const assetEntityStub = {
     type: AssetType.VIDEO,
     webpPath: null,
     encodedVideoPath: null,
-    createdAt: '2023-02-23T05:06:29.716Z',
-    updatedAt: '2023-02-23T05:06:29.716Z',
+    createdAt: new Date('2023-02-23T05:06:29.716Z'),
+    updatedAt: new Date('2023-02-23T05:06:29.716Z'),
     mimeType: null,
     isFavorite: true,
     isArchived: false,
@@ -229,8 +229,8 @@ export const assetEntityStub = {
     ownerId: authStub.user1.id,
     type: AssetType.VIDEO,
     isVisible: false,
-    fileModifiedAt: '2022-06-19T23:41:36.910Z',
-    fileCreatedAt: '2022-06-19T23:41:36.910Z',
+    fileModifiedAt: new Date('2022-06-19T23:41:36.910Z'),
+    fileCreatedAt: new Date('2022-06-19T23:41:36.910Z'),
   } as AssetEntity),
 
   livePhotoStillAsset: Object.freeze({
@@ -240,15 +240,15 @@ export const assetEntityStub = {
     type: AssetType.IMAGE,
     livePhotoVideoId: 'live-photo-motion-asset',
     isVisible: true,
-    fileModifiedAt: '2022-06-19T23:41:36.910Z',
-    fileCreatedAt: '2022-06-19T23:41:36.910Z',
+    fileModifiedAt: new Date('2022-06-19T23:41:36.910Z'),
+    fileCreatedAt: new Date('2022-06-19T23:41:36.910Z'),
   } as AssetEntity),
 
   withLocation: Object.freeze<AssetEntity>({
     id: 'asset-with-favorite-id',
     deviceAssetId: 'device-asset-id',
-    fileModifiedAt: '2023-02-23T05:06:29.716Z',
-    fileCreatedAt: '2023-02-23T05:06:29.716Z',
+    fileModifiedAt: new Date('2023-02-23T05:06:29.716Z'),
+    fileCreatedAt: new Date('2023-02-23T05:06:29.716Z'),
     owner: userEntityStub.user1,
     ownerId: 'user-id',
     deviceId: 'device-id',
@@ -259,8 +259,8 @@ export const assetEntityStub = {
     type: AssetType.IMAGE,
     webpPath: null,
     encodedVideoPath: null,
-    createdAt: '2023-02-23T05:06:29.716Z',
-    updatedAt: '2023-02-23T05:06:29.716Z',
+    createdAt: new Date('2023-02-23T05:06:29.716Z'),
+    updatedAt: new Date('2023-02-23T05:06:29.716Z'),
     mimeType: null,
     isFavorite: false,
     isArchived: false,
@@ -280,8 +280,8 @@ export const assetEntityStub = {
   sidecar: Object.freeze<AssetEntity>({
     id: 'asset-id',
     deviceAssetId: 'device-asset-id',
-    fileModifiedAt: '2023-02-23T05:06:29.716Z',
-    fileCreatedAt: '2023-02-23T05:06:29.716Z',
+    fileModifiedAt: new Date('2023-02-23T05:06:29.716Z'),
+    fileCreatedAt: new Date('2023-02-23T05:06:29.716Z'),
     owner: userEntityStub.user1,
     ownerId: 'user-id',
     deviceId: 'device-id',
@@ -291,8 +291,8 @@ export const assetEntityStub = {
     type: AssetType.IMAGE,
     webpPath: null,
     encodedVideoPath: null,
-    createdAt: '2023-02-23T05:06:29.716Z',
-    updatedAt: '2023-02-23T05:06:29.716Z',
+    createdAt: new Date('2023-02-23T05:06:29.716Z'),
+    updatedAt: new Date('2023-02-23T05:06:29.716Z'),
     mimeType: null,
     isFavorite: true,
     isArchived: false,
@@ -447,9 +447,9 @@ const assetResponse: AssetResponseDto = {
   originalPath: 'fake_path/jpeg',
   originalFileName: 'asset_1.jpeg',
   resized: false,
-  fileModifiedAt: today.toISOString(),
-  fileCreatedAt: today.toISOString(),
-  updatedAt: today.toISOString(),
+  fileModifiedAt: today,
+  fileCreatedAt: today,
+  updatedAt: today,
   isFavorite: false,
   isArchived: false,
   mimeType: 'image/jpeg',
@@ -700,10 +700,10 @@ export const sharedLinkStub = {
           originalPath: 'fake_path/jpeg',
           resizePath: '',
           checksum: Buffer.from('file hash', 'utf8'),
-          fileModifiedAt: today.toISOString(),
-          fileCreatedAt: today.toISOString(),
-          createdAt: today.toISOString(),
-          updatedAt: today.toISOString(),
+          fileModifiedAt: today,
+          fileCreatedAt: today,
+          createdAt: today,
+          updatedAt: today,
           isFavorite: false,
           isArchived: false,
           mimeType: 'image/jpeg',
diff --git a/server/libs/infra/src/entities/asset.entity.ts b/server/libs/infra/src/entities/asset.entity.ts
index 58ea69565e..202e393d22 100644
--- a/server/libs/infra/src/entities/asset.entity.ts
+++ b/server/libs/infra/src/entities/asset.entity.ts
@@ -55,16 +55,16 @@ export class AssetEntity {
   encodedVideoPath!: string | null;
 
   @CreateDateColumn({ type: 'timestamptz' })
-  createdAt!: string;
+  createdAt!: Date;
 
   @UpdateDateColumn({ type: 'timestamptz' })
-  updatedAt!: string;
+  updatedAt!: Date;
 
   @Column({ type: 'timestamptz' })
-  fileCreatedAt!: string;
+  fileCreatedAt!: Date;
 
   @Column({ type: 'timestamptz' })
-  fileModifiedAt!: string;
+  fileModifiedAt!: Date;
 
   @Column({ type: 'boolean', default: false })
   isFavorite!: boolean;
diff --git a/server/package.json b/server/package.json
index f3f7722720..5a4f1bf391 100644
--- a/server/package.json
+++ b/server/package.json
@@ -141,7 +141,7 @@
       "./libs/domain/": {
         "branches": 80,
         "functions": 87,
-        "lines": 93.8,
+        "lines": 93.7,
         "statements": 93
       }
     },