fix date format

Signed-off-by: Imma Valls <imma.valls@grafana.com>

Author: immavalls

data/events/2026/barcelona/main.yml

@@ -10,8 +10,8 @@ ga_tracking_id: "" # If you have your own Google Analytics tracking ID, enter it
 #   variable: 2019-01-05T23:59:59+02:00
 # Note: we allow 2026-MM-DD for backward compatibility, but it can lead to unexpected behaviors (like your event disappearing from the front page during your last day)
 
-startdate: 2026-11-13T14:00-21:00 # The start date of your event. Leave blank if you don't have a venue reserved yet.
-enddate: 2026-11-14T09:00-21:00 # The end date of your event. Leave blank if you don't have a venue reserved yet.
+startdate:  2026-11-13T00:00:00+02:00 # The start date of your event. Leave blank if you don't have a venue reserved yet.
+enddate: 2026-11-14T00:00:00+02:00  # The end date of your event. Leave blank if you don't have a venue reserved yet.
 
 # Leave CFP dates blank if you don't know yet, or set all three at once.
 cfp_date_start:  # start accepting talk proposals.