[School year 1984] 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 1984(Showa 59).
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 1984" is from April 1, 1984 to March 31, 1985.

School year 1984(Showa 59) - 2nd year Ph.D. student

School year 1984
(Showa 59)
April 2, 1984 – April 1, 1985
Grade 2nd year Ph.D. student
Date of birth April 2, 1958 – April 1, 1959
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 1958 : 戌(Inu 戌(Inu))
Born in 1959 : 亥(I 亥(I))

Grade list

DateGrade Age
April 2, 1958 – April 1, 1959 Birth
April 2, 1959 – April 1, 1960 0 – 1
April 2, 1960 – April 1, 1961 1 – 2
April 2, 1961 – April 1, 1962 2 – 3
April 2, 1962 – April 1, 1963 1st year of kindergarten 3 – 4
April 2, 1963 – April 1, 1964 2nd year of kindergarten 4 – 5
April 2, 1964 – April 1, 1965 3rd year of kindergarten 5 – 6
April 2, 1965 – April 1, 1966 1st grade in elementary school 6 – 7
April 2, 1966 – April 1, 1967 2nd grade in elementary school 7 – 8
April 2, 1967 – April 1, 1968 3rd grade in elementary school 8 – 9
April 2, 1968 – April 1, 1969 4th grade in elementary school 9 – 10
April 2, 1969 – April 1, 1970 5th grade in elementary school 10 – 11
April 2, 1970 – April 1, 1971 6th grade in elementary school 11 – 12
April 2, 1971 – April 1, 1972 1st grade in junior high school 12 – 13
April 2, 1972 – April 1, 1973 2nd grade in junior high school 13 – 14
April 2, 1973 – April 1, 1974 3rd grade in junior high school 14 – 15
April 2, 1974 – April 1, 1975 1st grade in high school 15 – 16
April 2, 1975 – April 1, 1976 2nd grade in high school 16 – 17
April 2, 1976 – April 1, 1977 3rd grade in high school 17 – 18
April 2, 1977 – April 1, 1978 1st year university student 18 – 19
April 2, 1978 – April 1, 1979 2nd year university student 19 – 20
April 2, 1979 – April 1, 1980 3rd year university student 20 – 21
April 2, 1980 – April 1, 1981 4th year university student 21 – 22
April 2, 1981 – April 1, 1982 1st year master's student 22 – 23
April 2, 1982 – April 1, 1983 2nd year master's student 23 – 24
April 2, 1983 – April 1, 1984 1st year Ph.D. student 24 – 25
April 2, 1984 – April 1, 1985 2nd year Ph.D. student 25 – 26
April 2, 1985 – April 1, 1986 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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