Age and school-year estimates for those born in 1958

Man-nenrei, kazoedoshi, wareki, eto, and school years for people born in 1958, 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)

68years

Legal age (31 Dec)

68years

Kazoedoshi

69years

Wareki (assumes 2 April)

昭和33年4月2日

Eto

戊戌（戌）

Elementary school

April 1965

Junior high

April 1971

High school

April 1974

High-school graduation

March 1977

Kanreki (approx. year)

2017

Facts on this page

・Legal age as of 30 August 2026 is 68

・Legal age on 31 December 2026 is 68

・Kazoedoshi is 69

・Wareki date of birth (assumes 2 April) is 昭和33年4月2日

・Eto is 戊戌 (戌)

・Elementary school starts April 1965

・Junior high starts April 1971

・High school starts April 1974

・High-school graduation is March 1977

・Kanreki (kazoedoshi) approx. year is 2017

・Yakudoshi (male, kazoedoshi 69): none

・Yakudoshi (female, kazoedoshi 69): 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.