diff --git a/tests/helpers/date.test.ts b/tests/helpers/date.test.ts
new file mode 100644
index 0000000..e3f5d3e
--- /dev/null
+++ b/tests/helpers/date.test.ts
@@ -0,0 +1,16 @@
+import { GuildScheduledEvent } from "discord.js"
+import { createDateStringFromEvent } from "../../server/helper/dateHelper"
+import MockDate from 'mockdate'
+
+beforeAll(() => {
+  MockDate.set('01-01-2023')
+})
+
+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 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')
+})