[School year 1981] Date of birth and age of 3rd grade in high school

Calculate date of birth and age from grade

Date of birth and age of 3rd grade in high school as of School year 1981(Showa 56).
You can also check the age before and after the birthday, and the Sexagenary cycle.
In addition, you can easily check Grade list such as date of birth, grade, age, etc. for each year in the table.

School year starts on April 1st and ends on March 31st of the following year.
"School year 1981" is from April 1, 1981 to March 31, 1982.

School year 1981(Showa 56) - 3rd grade in high school

School year 1981
(Showa 56)
April 2, 1981 – April 1, 1982
Grade 3rd grade in high school
Date of birth April 2, 1963 – April 1, 1964
Age 17 years old – 18 years old
If your birthday has not yet come after April 2nd : 17 years old
If your birthday is after April 2nd : 18 years old
Sexagenary cycle
Born in 1963 : 卯(U 卯(U))
Born in 1964 : 辰(Tatsu 辰(Tatsu))

Grade list

DateGrade Age
April 2, 1963 – April 1, 1964 Birth
April 2, 1964 – April 1, 1965 0 – 1
April 2, 1965 – April 1, 1966 1 – 2
April 2, 1966 – April 1, 1967 2 – 3
April 2, 1967 – April 1, 1968 1st year of kindergarten 3 – 4
April 2, 1968 – April 1, 1969 2nd year of kindergarten 4 – 5
April 2, 1969 – April 1, 1970 3rd year of kindergarten 5 – 6
April 2, 1970 – April 1, 1971 1st grade in elementary school 6 – 7
April 2, 1971 – April 1, 1972 2nd grade in elementary school 7 – 8
April 2, 1972 – April 1, 1973 3rd grade in elementary school 8 – 9
April 2, 1973 – April 1, 1974 4th grade in elementary school 9 – 10
April 2, 1974 – April 1, 1975 5th grade in elementary school 10 – 11
April 2, 1975 – April 1, 1976 6th grade in elementary school 11 – 12
April 2, 1976 – April 1, 1977 1st grade in junior high school 12 – 13
April 2, 1977 – April 1, 1978 2nd grade in junior high school 13 – 14
April 2, 1978 – April 1, 1979 3rd grade in junior high school 14 – 15
April 2, 1979 – April 1, 1980 1st grade in high school 15 – 16
April 2, 1980 – April 1, 1981 2nd grade in high school 16 – 17
April 2, 1981 – April 1, 1982 3rd grade in high school 17 – 18
April 2, 1982 – April 1, 1983 1st year university student 18 – 19
April 2, 1983 – April 1, 1984 2nd year university student 19 – 20
April 2, 1984 – April 1, 1985 3rd year university student 20 – 21
April 2, 1985 – April 1, 1986 4th year university student 21 – 22
April 2, 1986 – April 1, 1987 1st year master's student 22 – 23
April 2, 1987 – April 1, 1988 2nd year master's student 23 – 24
April 2, 1988 – April 1, 1989 1st year Ph.D. student 24 – 25
April 2, 1989 – April 1, 1990 2nd year Ph.D. student 25 – 26
April 2, 1990 – April 1, 1991 3rd year Ph.D. student 26 – 27

*Primary school(6 years) / Junior high school(3 years) / High school(3 years) / Four-year university(4 years) / Master's course(2 years) / Doctoral course(3 years)

*Age does not take into account repeat grades or ronin.

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