Age and school-year estimates for those born in 1921

Man-nenrei, kazoedoshi, wareki, eto, and school years for people born in 1921, as of 30 August 2026. If you know the month and day, use the age calculator (this page assumes 2 April for a year-level lookup).

As-of date：30 August 2026(updated to today when you view the page)

Legal age (today)

105years

Legal age (31 Dec)

105years

Kazoedoshi

106years

Wareki (assumes 2 April)

大正10年4月2日

Eto

辛酉（酉）

Elementary school

April 1928

Junior high

April 1934

High school

April 1937

High-school graduation

March 1940

Kanreki (approx. year)

1980

Facts on this page

・Legal age as of 30 August 2026 is 105

・Legal age on 31 December 2026 is 105

・Kazoedoshi is 106

・Wareki date of birth (assumes 2 April) is 大正10年4月2日

・Eto is 辛酉 (酉)

・Elementary school starts April 1928

・Junior high starts April 1934

・High school starts April 1937

・High-school graduation is March 1940

・Kanreki (kazoedoshi) approx. year is 1980

・Yakudoshi (male, kazoedoshi 106): none

・Yakudoshi (female, kazoedoshi 106): none

Assumptions

For searches without a month and day, we assume a 2 April birthday.

The static as-of date (build time) is 30 August 2026. After load we update it to today.