Expected Behavior
Event time in tooltip and events details view should display the correct event time.
Current Behavior
Overview tooltip shows several hours time difference (10:00 vs 17:00) to timeline in same page:

Event details also has wrong time:

Event is scheduled in the editor at 17:00:

In the schedule.xml export the same event has a date value of "2018-10-22T10:00:00-05:00", which would be the correct time in a wrong time zone.
Steps to Reproduce
example instance at https://fahrplan.privacyweek.at/
Your Environment
Expected Behavior
Event time in tooltip and events details view should display the correct event time.
Current Behavior
Overview tooltip shows several hours time difference (10:00 vs 17:00) to timeline in same page:

Event details also has wrong time:

Event is scheduled in the editor at 17:00:

In the schedule.xml export the same event has a date value of "2018-10-22T10:00:00-05:00", which would be the correct time in a wrong time zone.
Steps to Reproduce
example instance at https://fahrplan.privacyweek.at/
Your Environment