Age and school-year estimates for those born in 2010

Man-nenrei, kazoedoshi, wareki, eto, and school years for people born in 2010, 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)

16years

Legal age (31 Dec)

16years

Kazoedoshi

17years

Wareki (assumes 2 April)

平成22年4月2日

Eto

庚寅（寅）

Elementary school

April 2017

Junior high

April 2023

High school

April 2026

High-school graduation

March 2029

Kanreki (approx. year)

2069

Facts on this page

・Legal age as of 30 August 2026 is 16

・Legal age on 31 December 2026 is 16

・Kazoedoshi is 17

・Wareki date of birth (assumes 2 April) is 平成22年4月2日

・Eto is 庚寅 (寅)

・Elementary school starts April 2017

・Junior high starts April 2023

・High school starts April 2026

・High-school graduation is March 2029

・Kanreki (kazoedoshi) approx. year is 2069

・Yakudoshi (male, kazoedoshi 17): none

・Yakudoshi (female, kazoedoshi 17): 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.