fix start time

_layouts/frab.xml

@@ -176,7 +176,7 @@ Finding the first and last talk to establish the variables "earliest" and "lates
 
 	<event id="{{eventcounter}}" guid="{{video.uid}}">
 	<date>{{video.recording_date | date: '%Y-%m-%dT%H:%M:%S'}}</date>
-	<start>{{video.recording_date | date: '%Y-%m-%dT%H:%M:%S'}}</start>
+	<start>{{video.recording_date | date: '%H:%M'}}</start>
 	<duration>{{duration}}</duration>
 	<room>{{video.room}}</room>
 	<slug>{{ video.title | slugify }}</slug>