Age and school-year estimates for those born in 1991

Man-nenrei, kazoedoshi, wareki, eto, and school years for people born in 1991, 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)

35years

Legal age (31 Dec)

35years

Kazoedoshi

36years

Wareki (assumes 2 April)

平成3年4月2日

Eto

辛未（未）

Elementary school

April 1998

Junior high

April 2004

High school

April 2007

High-school graduation

March 2010

Kanreki (approx. year)

2050

Facts on this page

・Legal age as of 30 August 2026 is 35

・Legal age on 31 December 2026 is 35

・Kazoedoshi is 36

・Wareki date of birth (assumes 2 April) is 平成3年4月2日

・Eto is 辛未 (未)

・Elementary school starts April 1998

・Junior high starts April 2004

・High school starts April 2007

・High-school graduation is March 2010

・Kanreki (kazoedoshi) approx. year is 2050

・Yakudoshi (male, kazoedoshi 36): none

・Yakudoshi (female, kazoedoshi 36): mae:37

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.