Taken from the official EQ2 site here.
We’re just hours away from Chains of Eternity™!
All EverQuest II servers will come offline at 7:00 AM PST* on Tuesday, November 13, 2012 to prepare for this content update. We anticipate game servers will be back online before 12:00 Noon PST*.
While the servers are offline tomorrow, make sure you keep an eye on Twitter , Facebook, the forums , and the website for special countdown activities and updates, including diary entries from our off-duty server hamsters!
If you haven’t bought your Chains of Eternity expansion, there’s still time to pre-order! Pre-orders end on November 12, 2012 at 11:59 PM PST*. Remember that those who pre-order will get the exclusive Cloak of Mourning as well as special savings on the Collector’s Edition. CLICK HERE to order now!