Yeah; this is the playoff schedule for that weekend:
League One A 1st Leg (6th v 3rd) – Friday 12 May 2023, 20:00 League One B 1st Leg (5th v 4th) – Saturday 13 May 2023, 15:00 Championship A 1st Leg (6th v 3rd) – Saturday 13 May 2023, 17:30 League Two A 1st Leg (7th v 4th) – Saturday 13 May 2023, 19:45 Championship B 1st Leg (5th v 4th) – Sunday 14 May 2023, 12:00 League Two B 1st Leg (6th v 5th) – Sunday 14 May 2023, 19:00
I'd imagine the big gap on Sunday between playoff games is because there'll be Premier League games in between at 14:00 and 16:30.