From community news:
"Starting at 12:01 pm Pacific (Noon) on Wednesday, May 23, 2012, and lasting until 11:59 pm Pacific on Monday, May 28, 2012, we'll offer a Double Experience in EverQuest! Take advantage of this special extended Double Experience Weekend and watch those XP bars skyrocket!"
http://www.everquest.com/news/article?m ... 4273&tab=0