Born in which year at legal age 78?

As of the as-of date, someone of legal age 78 was born in 1947 if before the birthday, or 1948 if after.

As-of date：30 August 2026

Legal age (man-nenrei)

78years

Birth year if before birthday

1947（丁亥 / 昭和22年）

Birth year if after birthday

1948（戊子 / 昭和23年）

Facts on this page

・People with legal age 78 as of 30 August 2026

・If before the birthday, born in 1947

・If after the birthday, born in 1948

・Eto before the birthday is 丁亥

・Eto after the birthday is 戊子

・Wareki year before the birthday is about 昭和22年

・Wareki year after the birthday is about 昭和23年