the intermissions are usually 20 - 40 min at the most. why do you ask? do you want to go to a hockey game with your child? if you do bring your child don't forget to bring ear plugs because it gets...
They usually put 15+ minutes up on the clock, but from the rulebook: 77.2 : Play shall be resumed promptly following each intermission upon the expiration of seventeen (17) minutes or a length of...