[School year 1940] Date of birth and age of 1st year Ph.D. student

Calculate date of birth and age from grade

Date of birth and age of 1st year Ph.D. student as of School year 1940(Showa 15).
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 1940" is from April 1, 1940 to March 31, 1941.

School year 1940(Showa 15) - 1st year Ph.D. student

School year 1940
(Showa 15)
April 2, 1940 – April 1, 1941
Grade 1st year Ph.D. student
Date of birth April 2, 1915 – April 1, 1916
Age 24 years old – 25 years old
If your birthday has not yet come after April 2nd : 24 years old
If your birthday is after April 2nd : 25 years old
Sexagenary cycle
Born in 1915 : 卯(U 卯(U))
Born in 1916 : 辰(Tatsu 辰(Tatsu))

Grade list

DateGrade Age
April 2, 1915 – April 1, 1916 Birth
April 2, 1916 – April 1, 1917 0 – 1
April 2, 1917 – April 1, 1918 1 – 2
April 2, 1918 – April 1, 1919 2 – 3
April 2, 1919 – April 1, 1920 1st year of kindergarten 3 – 4
April 2, 1920 – April 1, 1921 2nd year of kindergarten 4 – 5
April 2, 1921 – April 1, 1922 3rd year of kindergarten 5 – 6
April 2, 1922 – April 1, 1923 1st grade in elementary school 6 – 7
April 2, 1923 – April 1, 1924 2nd grade in elementary school 7 – 8
April 2, 1924 – April 1, 1925 3rd grade in elementary school 8 – 9
April 2, 1925 – April 1, 1926 4th grade in elementary school 9 – 10
April 2, 1926 – April 1, 1927 5th grade in elementary school 10 – 11
April 2, 1927 – April 1, 1928 6th grade in elementary school 11 – 12
April 2, 1928 – April 1, 1929 1st grade in junior high school 12 – 13
April 2, 1929 – April 1, 1930 2nd grade in junior high school 13 – 14
April 2, 1930 – April 1, 1931 3rd grade in junior high school 14 – 15
April 2, 1931 – April 1, 1932 1st grade in high school 15 – 16
April 2, 1932 – April 1, 1933 2nd grade in high school 16 – 17
April 2, 1933 – April 1, 1934 3rd grade in high school 17 – 18
April 2, 1934 – April 1, 1935 1st year university student 18 – 19
April 2, 1935 – April 1, 1936 2nd year university student 19 – 20
April 2, 1936 – April 1, 1937 3rd year university student 20 – 21
April 2, 1937 – April 1, 1938 4th year university student 21 – 22
April 2, 1938 – April 1, 1939 1st year master's student 22 – 23
April 2, 1939 – April 1, 1940 2nd year master's student 23 – 24
April 2, 1940 – April 1, 1941 1st year Ph.D. student 24 – 25
April 2, 1941 – April 1, 1942 2nd year Ph.D. student 25 – 26
April 2, 1942 – April 1, 1943 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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