#1 - May 31, 2013, 5:10 a.m.
Blizzard Post
We will be performing scheduled game maintenance for Diablo 3 on Friday, May 31st. Maintenance will begin at 5:00 AM PDT and is expected to last for 2 hours. During this time Diablo 3 will not be available for play. In addition, many web services may be unavailable.

Thank you for your patience.