Open Fighting Championship 4 takes place on Saturday, May 22, 2021. Start times across the US and UK time zones are listed below.
Start time by time zone
When Open Fighting Championship 4 begins where you are.
- ET12:00 AM
- CT11:00 PM
- MT10:00 PM
- PT9:00 PM
- UK5:00 AM
Fight card0 bouts
The card for this event has not been published yet. It appears here as soon as the matchups are announced.