For this season (2012-13) our trade deadline will be Sunday, April 7th, 2013.
The trade deadline for the NHL is Wednesday, April 3, 2013.

You will have 4 days after the NHL's deadline to complete any trades and roster moves. At midnight on April 7, 2013 rosters will be frozen. This means absolutely ZERO roster moves will be allowed starting April 8, 2013.