Hi,
This is interesting.
Our server's time zone is GMT -5. If I configure the default start time for new events in Matukio to 08:30:00, all new events default to 03:30:00 (5 hours earlier) in practice. In order for new events to default properly for a 8:30AM start time, I have to configure the Matukio default configuration to start at 13:30. Just FYI.