seirekino
1. Gregorian; Of the Gregorian calendar
★ Common
Noun
#180218
1. Gregorian; Of the Gregorian calendar
1. Common Era; CE
2. Western (Gregorian) calendar
1. Western calendar date; Year in the Western calendar
1. If it is the Western calendar; When it is the Western calendar
1. Western calendar; Anno Domini
1. Was (in the Western calendar)
1. If it is the Common Era; If it is AD
1. Not in the Western calendar.; Not Gregorian.
1. It is not in the Western calendar.; It is not a Gregorian date.
1. Probably…; It's likely…