Age and school-year estimates for those born in 1990

Man-nenrei, kazoedoshi, wareki, eto, and school years for people born in 1990, 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)

36years

Legal age (31 Dec)

36years

Kazoedoshi

37years

Wareki (assumes 2 April)

平成2年4月2日

Eto

庚午（午）

Elementary school

April 1997

Junior high

April 2003

High school

April 2006

High-school graduation

March 2009

Kanreki (approx. year)

2049

Facts on this page

・Legal age as of 30 August 2026 is 36

・Legal age on 31 December 2026 is 36

・Kazoedoshi is 37

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

・Eto is 庚午 (午)

・Elementary school starts April 1997

・Junior high starts April 2003

・High school starts April 2006

・High-school graduation is March 2009

・Kanreki (kazoedoshi) approx. year is 2049

・Yakudoshi (male, kazoedoshi 37): none

・Yakudoshi (female, kazoedoshi 37): hon: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.