Born in which year at legal age 42?

As of the as-of date, someone of legal age 42 was born in 1983 if before the birthday, or 1984 if after.

As-of date：30 August 2026

Legal age (man-nenrei)

42years

Birth year if before birthday

1983（癸亥 / 昭和58年）

Birth year if after birthday

1984（甲子 / 昭和59年）

Facts on this page

・People with legal age 42 as of 30 August 2026

・If before the birthday, born in 1983

・If after the birthday, born in 1984

・Eto before the birthday is 癸亥

・Eto after the birthday is 甲子

・Wareki year before the birthday is about 昭和58年

・Wareki year after the birthday is about 昭和59年