Japanese Date

Japanese (Heisei) - variety
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 - 1998 

Gregorian year in Arabic
Bangladeshi Calendar
Hebrew (Jewish) [JE] - variety
Iranian Solar [SH]
Thai (Buddhist) [BE]