[School year 1980] Date of birth and age of 3rd year Ph.D. student

Calculate date of birth and age from grade

Date of birth and age of 3rd year Ph.D. student as of School year 1980(Showa 55).
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 1980" is from April 1, 1980 to March 31, 1981.

School year 1980(Showa 55) - 3rd year Ph.D. student

School year 1980
(Showa 55)
April 2, 1980 – April 1, 1981
Grade 3rd year Ph.D. student
Date of birth April 2, 1953 – April 1, 1954
Age 26 years old – 27 years old
If your birthday has not yet come after April 2nd : 26 years old
If your birthday is after April 2nd : 27 years old
Sexagenary cycle
Born in 1953 : 巳(Mi 巳(Mi))
Born in 1954 : 午(Uma 午(Uma))

Grade list

DateGrade Age
April 2, 1953 – April 1, 1954 Birth
April 2, 1954 – April 1, 1955 0 – 1
April 2, 1955 – April 1, 1956 1 – 2
April 2, 1956 – April 1, 1957 2 – 3
April 2, 1957 – April 1, 1958 1st year of kindergarten 3 – 4
April 2, 1958 – April 1, 1959 2nd year of kindergarten 4 – 5
April 2, 1959 – April 1, 1960 3rd year of kindergarten 5 – 6
April 2, 1960 – April 1, 1961 1st grade in elementary school 6 – 7
April 2, 1961 – April 1, 1962 2nd grade in elementary school 7 – 8
April 2, 1962 – April 1, 1963 3rd grade in elementary school 8 – 9
April 2, 1963 – April 1, 1964 4th grade in elementary school 9 – 10
April 2, 1964 – April 1, 1965 5th grade in elementary school 10 – 11
April 2, 1965 – April 1, 1966 6th grade in elementary school 11 – 12
April 2, 1966 – April 1, 1967 1st grade in junior high school 12 – 13
April 2, 1967 – April 1, 1968 2nd grade in junior high school 13 – 14
April 2, 1968 – April 1, 1969 3rd grade in junior high school 14 – 15
April 2, 1969 – April 1, 1970 1st grade in high school 15 – 16
April 2, 1970 – April 1, 1971 2nd grade in high school 16 – 17
April 2, 1971 – April 1, 1972 3rd grade in high school 17 – 18
April 2, 1972 – April 1, 1973 1st year university student 18 – 19
April 2, 1973 – April 1, 1974 2nd year university student 19 – 20
April 2, 1974 – April 1, 1975 3rd year university student 20 – 21
April 2, 1975 – April 1, 1976 4th year university student 21 – 22
April 2, 1976 – April 1, 1977 1st year master's student 22 – 23
April 2, 1977 – April 1, 1978 2nd year master's student 23 – 24
April 2, 1978 – April 1, 1979 1st year Ph.D. student 24 – 25
April 2, 1979 – April 1, 1980 2nd year Ph.D. student 25 – 26
April 2, 1980 – April 1, 1981 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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