[School year 1945] Date of birth and age of 2nd year master's student

Calculate date of birth and age from grade

Date of birth and age of 2nd year master's student as of School year 1945(Showa 20).
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 1945" is from April 1, 1945 to March 31, 1946.

School year 1945(Showa 20) - 2nd year master's student

School year 1945
(Showa 20)
April 2, 1945 – April 1, 1946
Grade 2nd year master's student
Date of birth April 2, 1921 – April 1, 1922
Age 23 years old – 24 years old
If your birthday has not yet come after April 2nd : 23 years old
If your birthday is after April 2nd : 24 years old
Sexagenary cycle
Born in 1921 : 酉(Tori 酉(Tori))
Born in 1922 : 戌(Inu 戌(Inu))

Grade list

DateGrade Age
April 2, 1921 – April 1, 1922 Birth
April 2, 1922 – April 1, 1923 0 – 1
April 2, 1923 – April 1, 1924 1 – 2
April 2, 1924 – April 1, 1925 2 – 3
April 2, 1925 – April 1, 1926 1st year of kindergarten 3 – 4
April 2, 1926 – April 1, 1927 2nd year of kindergarten 4 – 5
April 2, 1927 – April 1, 1928 3rd year of kindergarten 5 – 6
April 2, 1928 – April 1, 1929 1st grade in elementary school 6 – 7
April 2, 1929 – April 1, 1930 2nd grade in elementary school 7 – 8
April 2, 1930 – April 1, 1931 3rd grade in elementary school 8 – 9
April 2, 1931 – April 1, 1932 4th grade in elementary school 9 – 10
April 2, 1932 – April 1, 1933 5th grade in elementary school 10 – 11
April 2, 1933 – April 1, 1934 6th grade in elementary school 11 – 12
April 2, 1934 – April 1, 1935 1st grade in junior high school 12 – 13
April 2, 1935 – April 1, 1936 2nd grade in junior high school 13 – 14
April 2, 1936 – April 1, 1937 3rd grade in junior high school 14 – 15
April 2, 1937 – April 1, 1938 1st grade in high school 15 – 16
April 2, 1938 – April 1, 1939 2nd grade in high school 16 – 17
April 2, 1939 – April 1, 1940 3rd grade in high school 17 – 18
April 2, 1940 – April 1, 1941 1st year university student 18 – 19
April 2, 1941 – April 1, 1942 2nd year university student 19 – 20
April 2, 1942 – April 1, 1943 3rd year university student 20 – 21
April 2, 1943 – April 1, 1944 4th year university student 21 – 22
April 2, 1944 – April 1, 1945 1st year master's student 22 – 23
April 2, 1945 – April 1, 1946 2nd year master's student 23 – 24
April 2, 1946 – April 1, 1947 1st year Ph.D. student 24 – 25
April 2, 1947 – April 1, 1948 2nd year Ph.D. student 25 – 26
April 2, 1948 – April 1, 1949 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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