Regular field hockey match is played for 70 minutes in two equal halves of 35 minutes each. There is an extra play time of 20 minutes divided in two halves if the match ends in a draw at the end of regular duration. There is a rest time duration of 10 minutes during the regular match. During extra time there is a 5 minute break.
In ice hockey, the duration of play is 60 minutes , divided in three halves. There is a break for 20 minutes. There is an extra play time for 5 (or 10) minutes, in case the match ends in a draw.
There could be some variations in extra play time duration.