[School year 1930] Date of birth and age of 1st grade in junior high school

Calculate date of birth and age from grade

Date of birth and age of 1st grade in junior high school as of School year 1930(Showa 5).
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 1930" is from April 1, 1930 to March 31, 1931.

School year 1930(Showa 5) - 1st grade in junior high school

School year 1930
(Showa 5)
April 2, 1930 – April 1, 1931
Grade 1st grade in junior high school
Date of birth April 2, 1917 – April 1, 1918
Age 12 years old – 13 years old
If your birthday has not yet come after April 2nd : 12 years old
If your birthday is after April 2nd : 13 years old
Sexagenary cycle
Born in 1917 : 巳(Mi 巳(Mi))
Born in 1918 : 午(Uma 午(Uma))

Grade list

DateGrade Age
April 2, 1917 – April 1, 1918 Birth
April 2, 1918 – April 1, 1919 0 – 1
April 2, 1919 – April 1, 1920 1 – 2
April 2, 1920 – April 1, 1921 2 – 3
April 2, 1921 – April 1, 1922 1st year of kindergarten 3 – 4
April 2, 1922 – April 1, 1923 2nd year of kindergarten 4 – 5
April 2, 1923 – April 1, 1924 3rd year of kindergarten 5 – 6
April 2, 1924 – April 1, 1925 1st grade in elementary school 6 – 7
April 2, 1925 – April 1, 1926 2nd grade in elementary school 7 – 8
April 2, 1926 – April 1, 1927 3rd grade in elementary school 8 – 9
April 2, 1927 – April 1, 1928 4th grade in elementary school 9 – 10
April 2, 1928 – April 1, 1929 5th grade in elementary school 10 – 11
April 2, 1929 – April 1, 1930 6th grade in elementary school 11 – 12
April 2, 1930 – April 1, 1931 1st grade in junior high school 12 – 13
April 2, 1931 – April 1, 1932 2nd grade in junior high school 13 – 14
April 2, 1932 – April 1, 1933 3rd grade in junior high school 14 – 15
April 2, 1933 – April 1, 1934 1st grade in high school 15 – 16
April 2, 1934 – April 1, 1935 2nd grade in high school 16 – 17
April 2, 1935 – April 1, 1936 3rd grade in high school 17 – 18
April 2, 1936 – April 1, 1937 1st year university student 18 – 19
April 2, 1937 – April 1, 1938 2nd year university student 19 – 20
April 2, 1938 – April 1, 1939 3rd year university student 20 – 21
April 2, 1939 – April 1, 1940 4th year university student 21 – 22
April 2, 1940 – April 1, 1941 1st year master's student 22 – 23
April 2, 1941 – April 1, 1942 2nd year master's student 23 – 24
April 2, 1942 – April 1, 1943 1st year Ph.D. student 24 – 25
April 2, 1943 – April 1, 1944 2nd year Ph.D. student 25 – 26
April 2, 1944 – April 1, 1945 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.

Other years