diff --git a/e2e/src/api/specs/person.e2e-spec.ts b/e2e/src/api/specs/person.e2e-spec.ts
index 1a589da1f7..6e7eba74ba 100644
--- a/e2e/src/api/specs/person.e2e-spec.ts
+++ b/e2e/src/api/specs/person.e2e-spec.ts
@@ -201,7 +201,7 @@ describe('/people', () => {
       expect(body).toMatchObject({
         id: expect.any(String),
         name: 'New Person',
-        birthDate: '1990-01-01T00:00:00.000Z',
+        birthDate: '1990-01-01',
       });
     });
 
@@ -262,7 +262,7 @@ describe('/people', () => {
         .set('Authorization', `Bearer ${admin.accessToken}`)
         .send({ birthDate: '1990-01-01' });
       expect(status).toBe(200);
-      expect(body).toMatchObject({ birthDate: '1990-01-01T00:00:00.000Z' });
+      expect(body).toMatchObject({ birthDate: '1990-01-01' });
     });
 
     it('should clear a date of birth', async () => {
diff --git a/server/src/dtos/person.dto.ts b/server/src/dtos/person.dto.ts
index 0778c35b8f..49f3416b9a 100644
--- a/server/src/dtos/person.dto.ts
+++ b/server/src/dtos/person.dto.ts
@@ -7,6 +7,7 @@ import { AuthDto } from 'src/dtos/auth.dto';
 import { AssetFaceEntity } from 'src/entities/asset-face.entity';
 import { PersonEntity } from 'src/entities/person.entity';
 import { SourceType } from 'src/enum';
+import { asDateString } from 'src/utils/date';
 import {
   IsDateStringFormat,
   MaxDateString,
@@ -32,7 +33,7 @@ export class PersonCreateDto {
   @MaxDateString(() => DateTime.now(), { message: 'Birth date cannot be in the future' })
   @IsDateStringFormat('yyyy-MM-dd')
   @Optional({ nullable: true })
-  birthDate?: string | null;
+  birthDate?: Date | null;
 
   /**
    * Person visibility
@@ -222,7 +223,7 @@ export function mapPerson(person: PersonEntity): PersonResponseDto {
   return {
     id: person.id,
     name: person.name,
-    birthDate: person.birthDate,
+    birthDate: asDateString(person.birthDate),
     thumbnailPath: person.thumbnailPath,
     isHidden: person.isHidden,
     isFavorite: person.isFavorite,
diff --git a/server/src/entities/person.entity.ts b/server/src/entities/person.entity.ts
index 5ca74c12d2..5efa602cc8 100644
--- a/server/src/entities/person.entity.ts
+++ b/server/src/entities/person.entity.ts
@@ -38,7 +38,7 @@ export class PersonEntity {
   name!: string;
 
   @Column({ type: 'date', nullable: true })
-  birthDate!: string | null;
+  birthDate!: Date | string | null;
 
   @Column({ default: '' })
   thumbnailPath!: string;
diff --git a/server/src/services/person.service.spec.ts b/server/src/services/person.service.spec.ts
index ba327ddae9..8a8cb254fa 100644
--- a/server/src/services/person.service.spec.ts
+++ b/server/src/services/person.service.spec.ts
@@ -222,7 +222,7 @@ describe(PersonService.name, () => {
       mocks.person.update.mockResolvedValue(personStub.withBirthDate);
       mocks.access.person.checkOwnerAccess.mockResolvedValue(new Set(['person-1']));
 
-      await expect(sut.update(authStub.admin, 'person-1', { birthDate: '1976-06-30' })).resolves.toEqual({
+      await expect(sut.update(authStub.admin, 'person-1', { birthDate: new Date('1976-06-30') })).resolves.toEqual({
         id: 'person-1',
         name: 'Person 1',
         birthDate: '1976-06-30',
@@ -231,7 +231,7 @@ describe(PersonService.name, () => {
         isFavorite: false,
         updatedAt: expect.any(Date),
       });
-      expect(mocks.person.update).toHaveBeenCalledWith({ id: 'person-1', birthDate: '1976-06-30' });
+      expect(mocks.person.update).toHaveBeenCalledWith({ id: 'person-1', birthDate: new Date('1976-06-30') });
       expect(mocks.job.queue).not.toHaveBeenCalled();
       expect(mocks.job.queueAll).not.toHaveBeenCalled();
       expect(mocks.access.person.checkOwnerAccess).toHaveBeenCalledWith(authStub.admin.user.id, new Set(['person-1']));
diff --git a/server/src/utils/date.ts b/server/src/utils/date.ts
new file mode 100644
index 0000000000..67ce549050
--- /dev/null
+++ b/server/src/utils/date.ts
@@ -0,0 +1,3 @@
+export const asDateString = (x: Date | string | null): string | null => {
+  return x instanceof Date ? x.toISOString().split('T')[0] : x;
+};