diff --git a/Dockerfile b/Dockerfile
index 8b0b04b..086648b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
 FROM node:alpine as files 
+ENV TZ="Europe/Berlin"
 WORKDIR /app
-
 COPY [ "package-lock.json", "package.json", "index.ts", "tsconfig.json", "./" ]
 COPY server ./server
 
@@ -18,5 +18,4 @@ RUN npm ci
 FROM dependencies as test
 COPY jest.config.js .
 COPY tests ./tests
-
 RUN npm run test
diff --git a/tests/helpers/date.test.ts b/tests/helpers/date.test.ts
index 176ff88..52f7ff9 100644
--- a/tests/helpers/date.test.ts
+++ b/tests/helpers/date.test.ts
@@ -10,7 +10,7 @@ function getTestDate(date: string): GuildScheduledEvent {
   return <GuildScheduledEvent>{ scheduledStartAt: new Date(date) }
 }
 test('createDateStringFromEvent - correct formatting', () => {
-  expect(createDateStringFromEvent(getTestDate('01-01-2023 12:30'), "")).toEqual('heute um 13:30')
-  expect(createDateStringFromEvent(getTestDate('01-02-2023 12:30'), "")).toEqual('am Montag 02.01 um 13:30')
-  expect(createDateStringFromEvent(getTestDate('01-03-2023 12:30'), "")).toEqual('am Dienstag 03.01 um 13:30')
+  expect(createDateStringFromEvent(getTestDate('01-01-2023 12:30'), "")).toEqual('heute um 12:30')
+  expect(createDateStringFromEvent(getTestDate('01-02-2023 12:30'), "")).toEqual('am Montag 02.01 um 12:30')
+  expect(createDateStringFromEvent(getTestDate('01-03-2023 12:30'), "")).toEqual('am Dienstag 03.01 um 12:30')
 })