[School year 1931] 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 1931(Showa 6).
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 1931" is from April 1, 1931 to March 31, 1932.

School year 1931(Showa 6) - 3rd year Ph.D. student

School year 1931
(Showa 6)
April 2, 1931 – April 1, 1932
Grade 3rd year Ph.D. student
Date of birth April 2, 1904 – April 1, 1905
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 1904 : 辰(Tatsu 辰(Tatsu))
Born in 1905 : 巳(Mi 巳(Mi))

Grade list

DateGrade Age
April 2, 1904 – April 1, 1905 Birth
April 2, 1905 – April 1, 1906 0 – 1
April 2, 1906 – April 1, 1907 1 – 2
April 2, 1907 – April 1, 1908 2 – 3
April 2, 1908 – April 1, 1909 1st year of kindergarten 3 – 4
April 2, 1909 – April 1, 1910 2nd year of kindergarten 4 – 5
April 2, 1910 – April 1, 1911 3rd year of kindergarten 5 – 6
April 2, 1911 – April 1, 1912 1st grade in elementary school 6 – 7
April 2, 1912 – April 1, 1913 2nd grade in elementary school 7 – 8
April 2, 1913 – April 1, 1914 3rd grade in elementary school 8 – 9
April 2, 1914 – April 1, 1915 4th grade in elementary school 9 – 10
April 2, 1915 – April 1, 1916 5th grade in elementary school 10 – 11
April 2, 1916 – April 1, 1917 6th grade in elementary school 11 – 12
April 2, 1917 – April 1, 1918 1st grade in junior high school 12 – 13
April 2, 1918 – April 1, 1919 2nd grade in junior high school 13 – 14
April 2, 1919 – April 1, 1920 3rd grade in junior high school 14 – 15
April 2, 1920 – April 1, 1921 1st grade in high school 15 – 16
April 2, 1921 – April 1, 1922 2nd grade in high school 16 – 17
April 2, 1922 – April 1, 1923 3rd grade in high school 17 – 18
April 2, 1923 – April 1, 1924 1st year university student 18 – 19
April 2, 1924 – April 1, 1925 2nd year university student 19 – 20
April 2, 1925 – April 1, 1926 3rd year university student 20 – 21
April 2, 1926 – April 1, 1927 4th year university student 21 – 22
April 2, 1927 – April 1, 1928 1st year master's student 22 – 23
April 2, 1928 – April 1, 1929 2nd year master's student 23 – 24
April 2, 1929 – April 1, 1930 1st year Ph.D. student 24 – 25
April 2, 1930 – April 1, 1931 2nd year Ph.D. student 25 – 26
April 2, 1931 – April 1, 1932 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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