diff --git a/content/events.xml b/content/events.xml
index d093c197c..08c127aae 100644
--- a/content/events.xml
+++ b/content/events.xml
@@ -2979,8 +2979,8 @@
 		<!--<link>http://webmontag.de/location/dresden/index</link>-->
 	</event>
 	<event title="ISAF2015: Open Data Hackathon">
-		<start>2015-09-14T09:00:00</start>
-		<end>2015-09-16T13:00:00</end>
+		<start>2015-09-14</start>
+		<end>2015-09-15</end>
 		<location>TUD-Landtechnik-ZINT, Bergstraße 120, 01069 DRESDEN</location>
 		<link>http://www.isaf2015.info/?page_id=106</link>
 		<mail>Vorstand@IGN-SN.de</mail>