User blog comment:Dion Magnan/Year 169 is ending/@comment-2155707-20130305173336/@comment-152.14.169.153-20130306152519

Sort of Scorin. For now the year is dependent on your completion of TWW but all future content is released assuming the quest is complete (lore/story wise) So I would say the "official" change will occur with the release of the first new content most likely the warbands.