Matabear wrote:http://blue.mmo-champion.com/topic/790818-the-nighthold-preview-and-release-dates/
Raid Schedule:
Tuesday, January 17: Nighthold Normal and Heroic difficulties open.
Tuesday, January 24: Nighthold Mythic difficulty and Raid Finder Wing 1 (Arcing Aqueducts) open.
Tuesday, February 7: Nighthold Raid Finder Wing 2 (Royal Athenaeum) opens.
Tuesday, February 21: Nighthold Raid Finder Wing 3 (Nightspire) opens.
Tuesday, March 7: Nighthold Raid Finder Wing 4 (Betrayer’s Rise) opens.