The Overwatch Season 3 end date has been set for Tuesday February 22 in the UK, ending the current run of competitive play.
Season 3 will officially end on Tuesday, February 21 at 4:00 p.m. PST (or Wednesday, February 22 at 00:00 GMT).
Blizzard have also confirmed that Season 4 is currently scheduled to launch one week later on Tuesday, February 28 at 4:00 p.m. PST (or Wednesday, March 1 at 00:00 GMT).