#1 - April 30, 2012, 7:39 p.m.
Blizzard Post
As a reminder for all beta participants, the Diablo III closed beta will officially end tomorrow morning (May 1) at 3:00 a.m. PDT. At that time, beta servers will no longer be available for play.

Thank you so much for your insight and feedback during this critical stage of Diablo III's development. We look forward to seeing you online -- or at one of our midnight launch events -- on May 15!