From the NHL:

NEW YORK (April 29, 2014) – The National Hockey League today announced updated start time information for the First Round of the 2014 Stanley Cup Playoffs.

• The starting time for a potential Game 7 of the series between the New York Rangers and Philadelphia Flyers, if necessary, has been set for 7 p.m. ET on Wednesday, April 30, in New York. In the U.S., the game would be seen on NBCSN, MSG and CSN Philadelphia. In Canada, the game would be televised on TSN and RDSI.
• The starting time for Game 7 of the series between the Colorado Avalanche and Minnesota Wild has been set for 9:30 p.m. ET/8:30 p.m. CT/7:30 p.m. MT on Wednesday, April 30, in Colorado. In the U.S. outside of the Colorado and Minnesota markets, the game will be seen on CNBC. In Canada, the game will be on TSN and RDS2.
• The starting time for Game 7 of the series between the San Jose Sharks and Los Angeles Kings has been set for 10 p.m. ET/7 p.m. PT on Wednesday, April 30, in San Jose. In the U.S., the game will be televised on NBCSN outside of the San Jose and Los Angeles markets. In Canada, the game will be televised on CBC and RDS.