[School year 1946] 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 1946(Showa 21).
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 1946" is from April 1, 1946 to March 31, 1947.

School year 1946(Showa 21) - 2nd year Ph.D. student

School year 1946
(Showa 21)
April 2, 1946 – April 1, 1947
Grade 2nd year Ph.D. student
Date of birth April 2, 1920 – April 1, 1921
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 1920 : 申(Saru 申(Saru))
Born in 1921 : 酉(Tori 酉(Tori))

Grade list

DateGrade Age
April 2, 1920 – April 1, 1921 Birth
April 2, 1921 – April 1, 1922 0 – 1
April 2, 1922 – April 1, 1923 1 – 2
April 2, 1923 – April 1, 1924 2 – 3
April 2, 1924 – April 1, 1925 1st year of kindergarten 3 – 4
April 2, 1925 – April 1, 1926 2nd year of kindergarten 4 – 5
April 2, 1926 – April 1, 1927 3rd year of kindergarten 5 – 6
April 2, 1927 – April 1, 1928 1st grade in elementary school 6 – 7
April 2, 1928 – April 1, 1929 2nd grade in elementary school 7 – 8
April 2, 1929 – April 1, 1930 3rd grade in elementary school 8 – 9
April 2, 1930 – April 1, 1931 4th grade in elementary school 9 – 10
April 2, 1931 – April 1, 1932 5th grade in elementary school 10 – 11
April 2, 1932 – April 1, 1933 6th grade in elementary school 11 – 12
April 2, 1933 – April 1, 1934 1st grade in junior high school 12 – 13
April 2, 1934 – April 1, 1935 2nd grade in junior high school 13 – 14
April 2, 1935 – April 1, 1936 3rd grade in junior high school 14 – 15
April 2, 1936 – April 1, 1937 1st grade in high school 15 – 16
April 2, 1937 – April 1, 1938 2nd grade in high school 16 – 17
April 2, 1938 – April 1, 1939 3rd grade in high school 17 – 18
April 2, 1939 – April 1, 1940 1st year university student 18 – 19
April 2, 1940 – April 1, 1941 2nd year university student 19 – 20
April 2, 1941 – April 1, 1942 3rd year university student 20 – 21
April 2, 1942 – April 1, 1943 4th year university student 21 – 22
April 2, 1943 – April 1, 1944 1st year master's student 22 – 23
April 2, 1944 – April 1, 1945 2nd year master's student 23 – 24
April 2, 1945 – April 1, 1946 1st year Ph.D. student 24 – 25
April 2, 1946 – April 1, 1947 2nd year Ph.D. student 25 – 26
April 2, 1947 – April 1, 1948 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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