Imperial calendar

Following Emperor Sheev Palpatine's proclamation of the New Order in 19 BBY, a new calendar was introduced with the day of the Galactic Empire's formation as its epoch. BFE stood for "Before the Formation of the Empire," and AFE for "After the Formation of the Empire."

Text and facts from the “Imperial calendar” article on Wookieepedia, licensed under CC BY-SA 3.0. Modified for this site.