[School year 1973] 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 1973(Showa 48).
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 1973" is from April 1, 1973 to March 31, 1974.

School year 1973(Showa 48) - 2nd year Ph.D. student

School year 1973
(Showa 48)
April 2, 1973 – April 1, 1974
Grade 2nd year Ph.D. student
Date of birth April 2, 1947 – April 1, 1948
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 1947 : 亥(I 亥(I))
Born in 1948 : 子(Ne 子(Ne))

Grade list

DateGrade Age
April 2, 1947 – April 1, 1948 Birth
April 2, 1948 – April 1, 1949 0 – 1
April 2, 1949 – April 1, 1950 1 – 2
April 2, 1950 – April 1, 1951 2 – 3
April 2, 1951 – April 1, 1952 1st year of kindergarten 3 – 4
April 2, 1952 – April 1, 1953 2nd year of kindergarten 4 – 5
April 2, 1953 – April 1, 1954 3rd year of kindergarten 5 – 6
April 2, 1954 – April 1, 1955 1st grade in elementary school 6 – 7
April 2, 1955 – April 1, 1956 2nd grade in elementary school 7 – 8
April 2, 1956 – April 1, 1957 3rd grade in elementary school 8 – 9
April 2, 1957 – April 1, 1958 4th grade in elementary school 9 – 10
April 2, 1958 – April 1, 1959 5th grade in elementary school 10 – 11
April 2, 1959 – April 1, 1960 6th grade in elementary school 11 – 12
April 2, 1960 – April 1, 1961 1st grade in junior high school 12 – 13
April 2, 1961 – April 1, 1962 2nd grade in junior high school 13 – 14
April 2, 1962 – April 1, 1963 3rd grade in junior high school 14 – 15
April 2, 1963 – April 1, 1964 1st grade in high school 15 – 16
April 2, 1964 – April 1, 1965 2nd grade in high school 16 – 17
April 2, 1965 – April 1, 1966 3rd grade in high school 17 – 18
April 2, 1966 – April 1, 1967 1st year university student 18 – 19
April 2, 1967 – April 1, 1968 2nd year university student 19 – 20
April 2, 1968 – April 1, 1969 3rd year university student 20 – 21
April 2, 1969 – April 1, 1970 4th year university student 21 – 22
April 2, 1970 – April 1, 1971 1st year master's student 22 – 23
April 2, 1971 – April 1, 1972 2nd year master's student 23 – 24
April 2, 1972 – April 1, 1973 1st year Ph.D. student 24 – 25
April 2, 1973 – April 1, 1974 2nd year Ph.D. student 25 – 26
April 2, 1974 – April 1, 1975 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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