Patch 5.0.4 = 8/28/2012
MoP Release = 9/25/2012 = 28 days
Patch 4.0.1 = 10/12/2010
Cata Release = 12/7/2010 = 56 days
WoD Release = 11/13/2014
Mechanics Patch = 10/16/14 -> 10/14/14 (to fall on a Tuesday)
Today = 8/14/2014
Number of Tue+Thu raids left to kill Garrosh = 17 raids.
Gotta be brave.
-HP