From chicagoblackhawks.com:
(link)If necessary, Game 7 of the Chicago Blackhawks’ Western Conference Quarterfinal series against the Calgary Flames at the United Center on Wednesday, April 29, will start at 7:00 P.M. (CT) after previously being listed as “TBA.” Locally, the game can be seen on Comcast SportsNet and heard on News/Talk 720 WGN Radio.