On our official Twitch channel here:
10:30 PM UTC (Coordinated Universal Time)
6:30 PM ET (East)
5:30 PM CT (Central)
4:30 PM MT (Mountain)
When is it?
Thursday, June 22nd 3:30 PM Pacific (10:30 PM UTC). Here's a handy tool to figure out what time that means for you:
http://www.worldtimebuddy.com Check out the stream announce thread for discussions!