Age and school-year estimates for those born in 1951

Man-nenrei, kazoedoshi, wareki, eto, and school years for people born in 1951, 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)

75years

Legal age (31 Dec)

75years

Kazoedoshi

76years

Wareki (assumes 2 April)

昭和26年4月2日

Eto

辛卯（卯）

Elementary school

April 1958

Junior high

April 1964

High school

April 1967

High-school graduation

March 1970

Kanreki (approx. year)

2010

Facts on this page

・Legal age as of 30 August 2026 is 75

・Legal age on 31 December 2026 is 75

・Kazoedoshi is 76

・Wareki date of birth (assumes 2 April) is 昭和26年4月2日

・Eto is 辛卯 (卯)

・Elementary school starts April 1958

・Junior high starts April 1964

・High school starts April 1967

・High-school graduation is March 1970

・Kanreki (kazoedoshi) approx. year is 2010

・Yakudoshi (male, kazoedoshi 76): none

・Yakudoshi (female, kazoedoshi 76): 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.