The Meta Reckoning Calendar is the official calendar of the Meta Board
Years on this calendar are either denoted by BMR (Before Meta Reckoning) or MR (Meta Reckoning). 1 MR is the year in which the Meta Board settled on Orbis after drifting on the Sea of Fragments for over twenty-seven years.
The founding event of the Meta Board, the Battle of the Witch Senate, occurred on 5 October 27 BMR, which corresponds to the year 1986 AD
5 MR is the current year.