https://sigil-nwn2.fandom.com/wiki/Category:Calendar138Ha (=Haskars Reign) - Planescape
1379DR (=Dale Reckoning) - Forgotten Realms
599CY (=Common Year) - Greyhawk
10 SC (=Saer Cataclius) - Dragonlance
5061 OC (=Olven Chronicon) - Spelljammer
16FY (=Free Year) - Darksun
1049AC (=After Crowning) - Mystara
763BC (=Barovian Calendar) - Ravenloft
1004YK (=Year of the Kingdom) - Eberron
4722 AR - Golarion
Updated 8/7/22