diff --git a/goofy-client/apps/goofy/src/app/app.component.spec.ts b/goofy-client/apps/goofy/src/app/app.component.spec.ts
index cf7103954ef2fae0cbd83e3966e11e5c6daa7ec6..a9e762566f1b23e26649560c4760f29c61fd6515 100644
--- a/goofy-client/apps/goofy/src/app/app.component.spec.ts
+++ b/goofy-client/apps/goofy/src/app/app.component.spec.ts
@@ -1,4 +1,6 @@
+import { registerLocaleData } from '@angular/common';
 import { HttpClient } from '@angular/common/http';
+import localeDe from '@angular/common/locales/de';
 import { ComponentFixture, TestBed } from '@angular/core/testing';
 import { RouterTestingModule } from '@angular/router/testing';
 import { ApiRootResource, ApiRootService } from '@goofy-client/api-root-shared';
@@ -13,6 +15,8 @@ import { createApiRootResource } from 'libs/api-root-shared/test/api-root';
 import { BehaviorSubject, of } from 'rxjs';
 import { AppComponent } from './app.component';
 
+registerLocaleData(localeDe);
+
 describe('AppComponent', () => {
 	let component: AppComponent;
 	let fixture: ComponentFixture<AppComponent>;
diff --git a/goofy-client/libs/kommentar/src/lib/kommentar-list-in-vorgang-container/kommentar-list-in-vorgang/kommentar-list-item-in-vorgang/kommentar-list-item-in-vorgang.component.html b/goofy-client/libs/kommentar/src/lib/kommentar-list-in-vorgang-container/kommentar-list-in-vorgang/kommentar-list-item-in-vorgang/kommentar-list-item-in-vorgang.component.html
index 88d1c978fe67f3c491f0b7bd8ff88a027a7fb405..13b62833329db8345b263b3bf171aa350e2e60d8 100644
--- a/goofy-client/libs/kommentar/src/lib/kommentar-list-in-vorgang-container/kommentar-list-in-vorgang/kommentar-list-item-in-vorgang/kommentar-list-item-in-vorgang.component.html
+++ b/goofy-client/libs/kommentar/src/lib/kommentar-list-in-vorgang-container/kommentar-list-in-vorgang/kommentar-list-item-in-vorgang/kommentar-list-item-in-vorgang.component.html
@@ -3,7 +3,7 @@
 		class="plain-text">
 
 	<goofy-client-user-profile-in-kommentar-container [kommentar]="kommentar" data-test-id="kommentar-list-item-user-profile"></goofy-client-user-profile-in-kommentar-container>
-	<span data-test-id="kommentar-created-at">{{ kommentar.createdAt | date: 'dd.MM.yy HH:mm' }}</span>
+	<span data-test-id="kommentar-created-at">{{ kommentar.createdAt | formatDateWithTimePipe: false }}</span>
 	<p>{{ kommentar.text }}</p>
 </button>
 
diff --git a/goofy-client/libs/kommentar/src/lib/kommentar-list-in-vorgang-container/kommentar-list-in-vorgang/kommentar-list-item-in-vorgang/kommentar-list-item-in-vorgang.component.spec.ts b/goofy-client/libs/kommentar/src/lib/kommentar-list-in-vorgang-container/kommentar-list-in-vorgang/kommentar-list-item-in-vorgang/kommentar-list-item-in-vorgang.component.spec.ts
index c31047b981180f7cee0a3f29f2179ba810946b2f..58df951e0bd2dea7a8f066a89dfbbf8f33e1ddf2 100644
--- a/goofy-client/libs/kommentar/src/lib/kommentar-list-in-vorgang-container/kommentar-list-in-vorgang/kommentar-list-item-in-vorgang/kommentar-list-item-in-vorgang.component.spec.ts
+++ b/goofy-client/libs/kommentar/src/lib/kommentar-list-in-vorgang-container/kommentar-list-in-vorgang/kommentar-list-item-in-vorgang/kommentar-list-item-in-vorgang.component.spec.ts
@@ -1,11 +1,15 @@
+import { registerLocaleData } from '@angular/common';
+import localeDe from '@angular/common/locales/de';
 import { ComponentFixture, TestBed } from '@angular/core/testing';
-import { ConvertForDataTestPipe } from '@goofy-client/tech-shared';
+import { ConvertForDataTestPipe, FormatDateWithTimePipe } from '@goofy-client/tech-shared';
 import { UserProfileInKommentarContainerComponent } from '@goofy-client/user-profile';
 import { createKommentarResource } from 'libs/kommentar-shared/test/kommentar';
 import { MockComponent } from 'ng-mocks';
 import { KommentarFormComponent } from '../../kommentar-form/kommentar-form.component';
 import { KommentarListItemInVorgangComponent } from './kommentar-list-item-in-vorgang.component';
 
+registerLocaleData(localeDe);
+
 describe('KommentarListItemInVorgangComponent', () => {
 	let component: KommentarListItemInVorgangComponent;
 	let fixture: ComponentFixture<KommentarListItemInVorgangComponent>;
@@ -15,6 +19,7 @@ describe('KommentarListItemInVorgangComponent', () => {
 			declarations: [
 				KommentarListItemInVorgangComponent,
 				ConvertForDataTestPipe,
+				FormatDateWithTimePipe,
 				MockComponent(KommentarFormComponent),
 				MockComponent(UserProfileInKommentarContainerComponent)
 			]
diff --git a/goofy-client/libs/navigation/src/lib/build-info/build-info.component.html b/goofy-client/libs/navigation/src/lib/build-info/build-info.component.html
index e676042ec8adfd97593e95c622145c1101f0e5e9..f4d9c6b1327f086add9d9d03a7b9abf49c72476b 100644
--- a/goofy-client/libs/navigation/src/lib/build-info/build-info.component.html
+++ b/goofy-client/libs/navigation/src/lib/build-info/build-info.component.html
@@ -1 +1 @@
-<p>Version: {{ apiRoot.version }} | BuildTime: {{ apiRoot.buildTime | date: "dd.MM.yy HH:mm:ss" }}</p>
\ No newline at end of file
+<p>Version: {{ apiRoot.version }} | BuildTime: {{ apiRoot.buildTime | formatDateWithTimePipe }}</p>
\ No newline at end of file
diff --git a/goofy-client/libs/navigation/src/lib/build-info/build-info.component.spec.ts b/goofy-client/libs/navigation/src/lib/build-info/build-info.component.spec.ts
index fa9f152a0e2251001eb4adbede9642e1d4b976f5..3d07136ba984302b588530bea1d90759d65f71d8 100644
--- a/goofy-client/libs/navigation/src/lib/build-info/build-info.component.spec.ts
+++ b/goofy-client/libs/navigation/src/lib/build-info/build-info.component.spec.ts
@@ -1,20 +1,29 @@
+import { registerLocaleData } from '@angular/common';
+import localeDe from '@angular/common/locales/de';
 import { ComponentFixture, TestBed } from '@angular/core/testing';
+import { FormatDateWithTimePipe } from '@goofy-client/tech-shared';
+import { createApiRootResource } from 'libs/api-root-shared/test/api-root';
 import { BuildInfoComponent } from './build-info.component';
 
+registerLocaleData(localeDe);
+
 describe('BuildInfoComponent', () => {
 	let component: BuildInfoComponent;
 	let fixture: ComponentFixture<BuildInfoComponent>;
 
 	beforeEach(async () => {
 		await TestBed.configureTestingModule({
-			declarations: [BuildInfoComponent]
+			declarations: [
+				BuildInfoComponent,
+				FormatDateWithTimePipe
+			]
 		}).compileComponents();
 	});
 
 	beforeEach(() => {
 		fixture = TestBed.createComponent(BuildInfoComponent);
 		component = fixture.componentInstance;
-		component.apiRoot = { version: '1', buildTime: '2', javaVersion: '3', _links: null };
+		component.apiRoot = createApiRootResource();
 		fixture.detectChanges();
 	});
 
diff --git a/goofy-client/libs/postfach/src/lib/postfach-mail-list-container/postfach-mail-list/postfach-mail/incomming-mail/incomming-mail.component.html b/goofy-client/libs/postfach/src/lib/postfach-mail-list-container/postfach-mail-list/postfach-mail/incomming-mail/incomming-mail.component.html
index 916e039acd800e3d667cb1dcde5756eb55a3e76f..7a6249fa21ebd09bfb2bd85e4feffa70845d1622 100644
--- a/goofy-client/libs/postfach/src/lib/postfach-mail-list-container/postfach-mail-list/postfach-mail/incomming-mail/incomming-mail.component.html
+++ b/goofy-client/libs/postfach/src/lib/postfach-mail-list-container/postfach-mail-list/postfach-mail/incomming-mail/incomming-mail.component.html
@@ -4,5 +4,5 @@
 	<span class="overflow">{{ postfachMail.subject }}</span>
 </div>
 
-<div class="date" data-test-id="mail-created-at">{{ postfachMail.createdAt | date: "dd.MM.yy HH:mm" }}</div>
+<div class="date" data-test-id="mail-created-at">{{ postfachMail.createdAt | formatDateWithTimePipe: false }}</div>
 <div class="message overflow" data-test-id="mail-text">{{ postfachMail.mailBody }}</div>
\ No newline at end of file
diff --git a/goofy-client/libs/postfach/src/lib/postfach-mail-list-container/postfach-mail-list/postfach-mail/incomming-mail/incomming-mail.component.spec.ts b/goofy-client/libs/postfach/src/lib/postfach-mail-list-container/postfach-mail-list/postfach-mail/incomming-mail/incomming-mail.component.spec.ts
index 759556928968481b543943088f9cdb18c3263ba9..87b1ae6a7ade182f76bab13281484dc23b927af7 100644
--- a/goofy-client/libs/postfach/src/lib/postfach-mail-list-container/postfach-mail-list/postfach-mail/incomming-mail/incomming-mail.component.spec.ts
+++ b/goofy-client/libs/postfach/src/lib/postfach-mail-list-container/postfach-mail-list/postfach-mail/incomming-mail/incomming-mail.component.spec.ts
@@ -1,8 +1,13 @@
+import { registerLocaleData } from '@angular/common';
+import localeDe from '@angular/common/locales/de';
 import { ComponentFixture, TestBed } from '@angular/core/testing';
 import { MatIcon } from '@angular/material/icon';
+import { FormatDateWithTimePipe } from '@goofy-client/tech-shared';
 import { createPostfachMailResource } from '../../../../../../../postfach-shared/test/postfach';
 import { IncommingMailComponent } from './incomming-mail.component';
 
+registerLocaleData(localeDe);
+
 describe('IncommingMailComponent', () => {
 	let component: IncommingMailComponent;
 	let fixture: ComponentFixture<IncommingMailComponent>;
@@ -11,10 +16,10 @@ describe('IncommingMailComponent', () => {
 		await TestBed.configureTestingModule({
 			declarations: [
 				IncommingMailComponent,
-				MatIcon
+				MatIcon,
+				FormatDateWithTimePipe
 			]
-		})
-			.compileComponents();
+		}).compileComponents();
 	});
 
 	beforeEach(() => {
diff --git a/goofy-client/libs/postfach/src/lib/postfach-mail-list-container/postfach-mail-list/postfach-mail/outgoing-mail/outgoing-mail.component.html b/goofy-client/libs/postfach/src/lib/postfach-mail-list-container/postfach-mail-list/postfach-mail/outgoing-mail/outgoing-mail.component.html
index 529d962f7fd04210cb472956a18dca33f7adc75a..acadd13da20da4584a738f19b5c51028dbe43e5b 100644
--- a/goofy-client/libs/postfach/src/lib/postfach-mail-list-container/postfach-mail-list/postfach-mail/outgoing-mail/outgoing-mail.component.html
+++ b/goofy-client/libs/postfach/src/lib/postfach-mail-list-container/postfach-mail-list/postfach-mail/outgoing-mail/outgoing-mail.component.html
@@ -3,5 +3,5 @@
 </goofy-client-user-profile-in-postfach-mail-container>
 
 <span class="overflow subject" data-test-id="mail-subject">{{ postfachMail.subject }}</span>
-<div class="date" data-test-id="mail-created-at">{{ postfachMail.createdAt | date: "dd.MM.yy HH:mm" }}</div>
+<div class="date" data-test-id="mail-created-at">{{ postfachMail.createdAt | formatDateWithTimePipe: false }}</div>
 <div class="message overflow" data-test-id="mail-text">{{ postfachMail.mailBody }}</div>
\ No newline at end of file
diff --git a/goofy-client/libs/postfach/src/lib/postfach-mail-list-container/postfach-mail-list/postfach-mail/outgoing-mail/outgoing-mail.component.spec.ts b/goofy-client/libs/postfach/src/lib/postfach-mail-list-container/postfach-mail-list/postfach-mail/outgoing-mail/outgoing-mail.component.spec.ts
index 6c0e75a1a6d673ed5b712ce8ee9922bf24b0c3a0..aca1a5935df282bd738f0143cfcaab9ad894997b 100644
--- a/goofy-client/libs/postfach/src/lib/postfach-mail-list-container/postfach-mail-list/postfach-mail/outgoing-mail/outgoing-mail.component.spec.ts
+++ b/goofy-client/libs/postfach/src/lib/postfach-mail-list-container/postfach-mail-list/postfach-mail/outgoing-mail/outgoing-mail.component.spec.ts
@@ -1,10 +1,14 @@
+import { registerLocaleData } from '@angular/common';
+import localeDe from '@angular/common/locales/de';
 import { ComponentFixture, TestBed } from '@angular/core/testing';
-import { HasLinkPipe } from '@goofy-client/tech-shared';
+import { FormatDateWithTimePipe, HasLinkPipe } from '@goofy-client/tech-shared';
 import { UserProfileInPostfachMailContainerComponent } from '@goofy-client/user-profile';
 import { MockComponent } from 'ng-mocks';
 import { createPostfachMailResource } from '../../../../../../../postfach-shared/test/postfach';
 import { OutgoingMailComponent } from './outgoing-mail.component';
 
+registerLocaleData(localeDe);
+
 describe('OutgoingMailComponent', () => {
 	let component: OutgoingMailComponent;
 	let fixture: ComponentFixture<OutgoingMailComponent>;
@@ -14,6 +18,7 @@ describe('OutgoingMailComponent', () => {
 			declarations: [
 				OutgoingMailComponent,
 				HasLinkPipe,
+				FormatDateWithTimePipe,
 				MockComponent(UserProfileInPostfachMailContainerComponent)
 			]
 		})
diff --git a/goofy-client/libs/tech-shared/src/lib/date.util.spec.ts b/goofy-client/libs/tech-shared/src/lib/date.util.spec.ts
new file mode 100644
index 0000000000000000000000000000000000000000..9cec0f0821df0902eb9e6fb0306fd8d9e40c5828
--- /dev/null
+++ b/goofy-client/libs/tech-shared/src/lib/date.util.spec.ts
@@ -0,0 +1,34 @@
+import { registerLocaleData } from '@angular/common';
+import localeDe from '@angular/common/locales/de';
+import { formatFullDate, formatFullDateWithTimeAndDay, formatFullDateWithTimeWithoutSeconds, formatWithoutYear } from './date.util';
+
+registerLocaleData(localeDe);
+
+describe('Date Util', () => {
+
+	const dateToFormat: Date = new Date('1010-01-01:01:01:01');
+
+	it('formatFullDateWithTimeWithoutSeconds', () => {
+		const formattedDate: string = formatFullDateWithTimeWithoutSeconds(dateToFormat);
+
+		expect(formattedDate).toEqual('01.01.10 01:01');
+	})
+
+	it('formatFullDateWithTimeAndDay', () => {
+		const formattedDate: string = formatFullDateWithTimeAndDay(dateToFormat);
+
+		expect(formattedDate).toEqual('Montag, 01.01.1010, 01:01:01');
+	})
+
+	it('formatFullDate', () => {
+		const formattedDate: string = formatFullDate(dateToFormat);
+
+		expect(formattedDate).toEqual('01.01.1010');
+	})
+
+	it('formatWithoutYear', () => {
+		const formattedDate: string = formatWithoutYear(dateToFormat);
+
+		expect(formattedDate).toEqual('1.Jan.');
+	})
+})
\ No newline at end of file
diff --git a/goofy-client/libs/tech-shared/src/lib/date.util.ts b/goofy-client/libs/tech-shared/src/lib/date.util.ts
index 44e1672aaf01f9770dc2a62bf536ca8e10c49fb0..243da7d68598a2d013e1ea0d776f3499edfe4329 100644
--- a/goofy-client/libs/tech-shared/src/lib/date.util.ts
+++ b/goofy-client/libs/tech-shared/src/lib/date.util.ts
@@ -2,7 +2,7 @@ import { formatDate } from '@angular/common';
 import { isNil } from 'lodash-es';
 import * as moment from 'moment';
 
-export function format(date: Date | moment.Moment): string {
+export function formatForDatabase(date: Date | moment.Moment): string {
 	const dateFormat: string = 'YYYY-MM-DD';
 
 	if (isNil(date)) {
@@ -15,22 +15,26 @@ export function format(date: Date | moment.Moment): string {
 	}
 }
 
-export function formatWithTimeAndDay(date: Date): string {
-	return formatDate(date, 'EEEE, dd.MM.y, H:mm:ss', 'de');
-}
 
-export function formatWithTime(date: Date): string {
-	return formatDate(date, 'dd.MM.y, H:mm:ss', 'de');
+
+export function formatFullDateWithTimeWithoutSeconds(date: Date): string {
+	return formatDate(date, 'dd.MM.yy HH:mm', 'de');
 }
 
-export function formatForThisYear(date: Date): string {
-	return formatDate(date, 'd.MMM', 'de');
+export function formatFullDateWithTimeAndDay(date: Date): string {
+	return formatDate(date, 'EEEE, dd.MM.yyyy, HH:mm:ss', 'de');
 }
 
-export function formatDMYDate(date: Date): string {
+export function formatFullDate(date: Date): string {
 	return formatDate(date, 'dd.MM.yyyy', 'de');
 }
 
+export function formatWithoutYear(date: Date): string {
+	return formatDate(date, 'd.MMM', 'de');
+}
+
+
+
 export function isToday(date: Date): boolean {
 	return moment().isSame(date, 'day');
 }
@@ -59,6 +63,8 @@ export function isThisYear(date: Date): boolean {
 	return moment().isSame(date, 'year')
 }
 
+
+
 export function createFutureDate(todayPlusDays: number): Date {
 	const date = new Date();
 	date.setDate(date.getDate() + todayPlusDays);
diff --git a/goofy-client/libs/tech-shared/src/lib/pipe/format-date-with-time.pipe.ts b/goofy-client/libs/tech-shared/src/lib/pipe/format-date-with-time.pipe.ts
index ff2511896ada85b3185c6e8faf6a2136fd1c378d..a278705ca8bd30b58550d08fa747d32a6b51fc41 100644
--- a/goofy-client/libs/tech-shared/src/lib/pipe/format-date-with-time.pipe.ts
+++ b/goofy-client/libs/tech-shared/src/lib/pipe/format-date-with-time.pipe.ts
@@ -1,11 +1,13 @@
 import { Pipe, PipeTransform } from '@angular/core';
 import { isNil } from 'lodash-es';
-import { formatWithTimeAndDay } from '../date.util';
+import { formatFullDateWithTimeAndDay, formatFullDateWithTimeWithoutSeconds } from '../date.util';
 
 @Pipe({ name: 'formatDateWithTimePipe' })
 export class FormatDateWithTimePipe implements PipeTransform {
-	transform(date: Date): string {
+	transform(date: Date, withSeconds: boolean = true): string {
 		if (isNil(date)) return undefined;
-		return formatWithTimeAndDay(date);
+		return withSeconds
+			? formatFullDateWithTimeAndDay(date)
+			: formatFullDateWithTimeWithoutSeconds(date);
 	}
 }
\ No newline at end of file
diff --git a/goofy-client/libs/tech-shared/src/lib/pipe/format-list-date.pipe.ts b/goofy-client/libs/tech-shared/src/lib/pipe/format-list-date.pipe.ts
index dbb515fe1feb2d406ae5576177d64e02fa70331c..ae1e7f4f2f915c25512b9cdd82d3b64347e5f0c6 100644
--- a/goofy-client/libs/tech-shared/src/lib/pipe/format-list-date.pipe.ts
+++ b/goofy-client/libs/tech-shared/src/lib/pipe/format-list-date.pipe.ts
@@ -1,9 +1,10 @@
 import { Pipe, PipeTransform } from '@angular/core';
-import { formatDMYDate, formatForThisYear, isDayAfterTomorrow, isDayBeforeYesterday, isThisYear, isToday, isTomorrow, isYesterday } from '../date.util';
+import { formatFullDate, formatWithoutYear, isDayAfterTomorrow, isDayBeforeYesterday, isThisYear, isToday, isTomorrow, isYesterday } from '../date.util';
 
+//TODO: rename
 @Pipe({ name: 'formatListDate' })
 export class FormatListDatePipe implements PipeTransform {
-	transform(date: Date) {
+	transform(date: Date): string {
 		if (isToday(date)) return 'Heute';
 		if (isYesterday(date)) return 'Gestern';
 		if (isDayBeforeYesterday(date)) return 'Vorgestern';
@@ -11,9 +12,9 @@ export class FormatListDatePipe implements PipeTransform {
 		if (isDayAfterTomorrow(date)) return 'Übermorgen';
 
 		if (isThisYear(date)) {
-			return formatForThisYear(date)
+			return formatWithoutYear(date)
 		}
 
-		return formatDMYDate(date);
+		return formatFullDate(date);
 	}
 }
\ No newline at end of file
diff --git a/goofy-client/libs/wiedervorlage/src/lib/wiedervorlage-page-container/wiedervorlage-page/wiedervorlage-form/wiedervorlage.formservice.ts b/goofy-client/libs/wiedervorlage/src/lib/wiedervorlage-page-container/wiedervorlage-page/wiedervorlage-form/wiedervorlage.formservice.ts
index 787bf584ae98df08b15b8c64e0322959aae15366..2421e3233fd8b3145ed8891c5565b0107ea44514 100644
--- a/goofy-client/libs/wiedervorlage/src/lib/wiedervorlage-page-container/wiedervorlage-page/wiedervorlage-form/wiedervorlage.formservice.ts
+++ b/goofy-client/libs/wiedervorlage/src/lib/wiedervorlage-page-container/wiedervorlage-page/wiedervorlage-form/wiedervorlage.formservice.ts
@@ -1,7 +1,7 @@
 import { Injectable, OnDestroy } from '@angular/core';
 import { FormBuilder, FormControl, FormGroup } from '@angular/forms';
 import { OzgFileListLinkRel, OzgFileListResource, OzgFileResource } from '@goofy-client/ozg-file-shared';
-import { AbstractFormService, createFutureDate, createStateResource, format, StateResource } from '@goofy-client/tech-shared';
+import { AbstractFormService, createFutureDate, createStateResource, formatForDatabase, StateResource } from '@goofy-client/tech-shared';
 import { Wiedervorlage, WiedervorlageLinkRel, WiedervorlageResource, WiedervorlageService } from '@goofy-client/wiedervorlage-shared';
 import { getEmbeddedResource, getUrl, hasLink } from '@ngxp/rest';
 import { isNil, isNull } from 'lodash-es';
@@ -75,7 +75,7 @@ export class WiedervorlageFormService extends AbstractFormService implements OnD
 
 	getValue(): Wiedervorlage {
 		const formValue = super.getFormValue();
-		return { ...formValue, frist: format(formValue.frist), attachments: this.attachments.value.resource.map(ozgFile => getUrl(ozgFile)) };
+		return { ...formValue, frist: formatForDatabase(formValue.frist), attachments: this.attachments.value.resource.map(ozgFile => getUrl(ozgFile)) };
 	}
 
 	public getAttachments(): Observable<StateResource<OzgFileResource[]>> {