Japanese Date

Japanese (Showa)
Convert
平成一二三
昭和四五六
正大七八九
治明十元年
12345
67890

Result

Gregorian (Christian) [AD]

Other calendars - 1972 

Muslim Lunar (Hijra) [AH]
Hebrew (Jewish) [JE]
Iranian Solar [SH]
Taiwanese (Minguo) - variety
Thai (Buddhist) [BE]