diff --git a/QOD-September-2023.md b/QOD-September-2023.md
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@@ -100,7 +100,7 @@ You can help us by spreading the word! We have prepared the following materials
 
 Dear QGIS Users
 
-On Friday, 25th August 2023 we will be holding our monthly QGIS Open Day! What is a QGIS Open Day you may be wondering to yourself? It is an initiative to replace the wonderful community meetups we used to hold every six months when times were different. Like our in-person meetings, the event is organised on the principle of self-organisation and community participation.
+On Friday, 29th September 2023 we will be holding our monthly QGIS Open Day! What is a QGIS Open Day you may be wondering to yourself? It is an initiative to replace the wonderful community meetups we used to hold every six months when times were different. Like our in-person meetings, the event is organised on the principle of self-organisation and community participation.
 
 **Programme**
 * Session 1: Explore the newly developed Cesium 3D Tiles for QGIS (Cesium Ecosystem Grant),  [YouTube Link](https://youtube.com/live/vazJlXTcLsw?feature=share), [Jitsi link](https://meet.jit.si/ElementaryCommentsOccurSometimes)