diff --git a/_events/20240625-heizung.md b/_events/20240625-heizung.md
index 47d8e1916417ceb43759c69541cd879e8c00ec87..57add29dd218c4d69c7e16d7a6cab861fcd21a89 100644
--- a/_events/20240625-heizung.md
+++ b/_events/20240625-heizung.md
@@ -1,10 +1,10 @@
 ---
 layout: [eventcal]
 title:  "Heizungsablesemensch kommt"
-eventdate: 2024-06-25 11:15:00 +0200
-eventend: 2024-06-25 11:45:00 +0200
+eventdate: 2024-06-25 09:00:00 +0200
+eventend: 2024-06-25 12:30:00 +0200
 #https://www.uuidgenerator.net/
-uid: 723d51ec-1185-4ee9-b2b9-be9ae1c0455e
+uid: 4ca32b70-770b-4bf1-bbe7-564ec038c487
 nofrontpage: true
 contact: info@chaotikum.org
 locations: