暦 - calendar, almanac

Common Era; CE; Christian Era; anno domini; AD

calendar; almanac

kanreki; one's 60th birthday (or 61st in the traditional age reckoning system) when one has lived through a full sexagenary cycle

Japan's old (lunisolar) calendar

Enryaku era (782.8.19-806.5.18)

Islamic calendar

Chōryaku era (1037.4.21-1040.11.10)

Jiryaku era (1065.8.2-1069.4.13); Chiryaku era

Hōreki era (1751.10.27-1764.6.2)

Tenryaku era (947.4.22-957.10.27)

Islamic calendar

Year 2000 problem