[School year 1983] Date of birth and age of 2nd year Ph.D. student

Calculate date of birth and age from grade

Date of birth and age of 2nd year Ph.D. student as of School year 1983(Showa 58).
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 1983" is from April 1, 1983 to March 31, 1984.

School year 1983(Showa 58) - 2nd year Ph.D. student

School year 1983
(Showa 58)
April 2, 1983 – April 1, 1984
Grade 2nd year Ph.D. student
Date of birth April 2, 1957 – April 1, 1958
Age 25 years old – 26 years old
If your birthday has not yet come after April 2nd : 25 years old
If your birthday is after April 2nd : 26 years old
Sexagenary cycle
Born in 1957 : 酉(Tori 酉(Tori))
Born in 1958 : 戌(Inu 戌(Inu))

Grade list

DateGrade Age
April 2, 1957 – April 1, 1958 Birth
April 2, 1958 – April 1, 1959 0 – 1
April 2, 1959 – April 1, 1960 1 – 2
April 2, 1960 – April 1, 1961 2 – 3
April 2, 1961 – April 1, 1962 1st year of kindergarten 3 – 4
April 2, 1962 – April 1, 1963 2nd year of kindergarten 4 – 5
April 2, 1963 – April 1, 1964 3rd year of kindergarten 5 – 6
April 2, 1964 – April 1, 1965 1st grade in elementary school 6 – 7
April 2, 1965 – April 1, 1966 2nd grade in elementary school 7 – 8
April 2, 1966 – April 1, 1967 3rd grade in elementary school 8 – 9
April 2, 1967 – April 1, 1968 4th grade in elementary school 9 – 10
April 2, 1968 – April 1, 1969 5th grade in elementary school 10 – 11
April 2, 1969 – April 1, 1970 6th grade in elementary school 11 – 12
April 2, 1970 – April 1, 1971 1st grade in junior high school 12 – 13
April 2, 1971 – April 1, 1972 2nd grade in junior high school 13 – 14
April 2, 1972 – April 1, 1973 3rd grade in junior high school 14 – 15
April 2, 1973 – April 1, 1974 1st grade in high school 15 – 16
April 2, 1974 – April 1, 1975 2nd grade in high school 16 – 17
April 2, 1975 – April 1, 1976 3rd grade in high school 17 – 18
April 2, 1976 – April 1, 1977 1st year university student 18 – 19
April 2, 1977 – April 1, 1978 2nd year university student 19 – 20
April 2, 1978 – April 1, 1979 3rd year university student 20 – 21
April 2, 1979 – April 1, 1980 4th year university student 21 – 22
April 2, 1980 – April 1, 1981 1st year master's student 22 – 23
April 2, 1981 – April 1, 1982 2nd year master's student 23 – 24
April 2, 1982 – April 1, 1983 1st year Ph.D. student 24 – 25
April 2, 1983 – April 1, 1984 2nd year Ph.D. student 25 – 26
April 2, 1984 – April 1, 1985 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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