The U.S. servers will come down on Tuesday, October 16, 2012, at 7:00 am Pacific for a hotfix. EU servers will come down on Wednesday, October 17, 2012, at 5:00 am London Time. The expected downtime for both US and EU servers is one hour.

Here's our Time Zone Conversion Tool to help you plan. Patch notes are available after the jump.

ZONE PROGRESSION / POPULATION
Current Raid Zones

• Due to an exploit, raid zones now have a hard 2.8 day [ 2 days 20 hours] lockout timer.  Timers will expire naturally and are no longer able to be reset.  This will include all Velious and future Raid zones.
• Plane of War is now a hard 4.8 day [4 days 20 hours] lockout timer.

Nu’roga

• Witch Doctor Bzegon now properly summons Crusader of Rok Nilok.

ITEMS

• The proc Temporal Magnate will no longer function in PVP combat.

Source: EQII Forums