diff --git a/35c3-events/c-base.js b/35c3-events/c-base.js
index 5a6891d..bfa278d 100644
--- a/35c3-events/c-base.js
+++ b/35c3-events/c-base.js
@@ -71,15 +71,15 @@ module.exports = [
   },
   {
     allDay: false,
-    start: '2018-12-26T18:00:00+0000',
-    end: '2018-12-26T18:00:00+0000',
+    start: '2018-12-26T18:00:00+0100',
+    end: '2018-12-26T18:00:00+0100',
     title: 'Abnahme',
     id: 'c-base',
   },
   {
     allDay: false,
-    start: '2018-12-26T17:00:00+0000',
-    end: '2018-12-26T17:00:00+0000',
+    start: '2018-12-26T17:00:00+0100',
+    end: '2018-12-26T17:00:00+0100',
     title: 'Kongressablaufs- und Abbauplanung Meeting',
     id: 'c-base',
   },
@@ -92,8 +92,8 @@ module.exports = [
   },
   {
     allDay: true,
-    start: '2018-12-26T17:00:00+0000',
-    end: '2018-12-26T17:00:00+0000',
+    start: '2018-12-26T17:00:00+0100',
+    end: '2018-12-26T17:00:00+0100',
     title: 'Microlabs Licht anbringen',
     id: 'c-base',
   },