[School year 2039] Date of birth and age of 1st grade in high school

Calculate date of birth and age from grade

Date of birth and age of 1st grade in high school as of School year 2039(Reiwa 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 2039" is from April 1, 2039 to March 31, 2040.

School year 2039(Reiwa 21) - 1st grade in high school

School year 2039
(Reiwa 21)
April 2, 2039 – April 1, 2040
Grade 1st grade in high school
Date of birth April 2, 2023 – April 1, 2024
Age 15 years old – 16 years old
If your birthday has not yet come after April 2nd : 15 years old
If your birthday is after April 2nd : 16 years old
Sexagenary cycle
Born in 2023 : 卯(U 卯(U))
Born in 2024 : 辰(Tatsu 辰(Tatsu))

Grade list

DateGrade Age
April 2, 2023 – April 1, 2024 Birth
April 2, 2024 – April 1, 2025 0 – 1
April 2, 2025 – April 1, 2026 1 – 2
April 2, 2026 – April 1, 2027 2 – 3
April 2, 2027 – April 1, 2028 1st year of kindergarten 3 – 4
April 2, 2028 – April 1, 2029 2nd year of kindergarten 4 – 5
April 2, 2029 – April 1, 2030 3rd year of kindergarten 5 – 6
April 2, 2030 – April 1, 2031 1st grade in elementary school 6 – 7
April 2, 2031 – April 1, 2032 2nd grade in elementary school 7 – 8
April 2, 2032 – April 1, 2033 3rd grade in elementary school 8 – 9
April 2, 2033 – April 1, 2034 4th grade in elementary school 9 – 10
April 2, 2034 – April 1, 2035 5th grade in elementary school 10 – 11
April 2, 2035 – April 1, 2036 6th grade in elementary school 11 – 12
April 2, 2036 – April 1, 2037 1st grade in junior high school 12 – 13
April 2, 2037 – April 1, 2038 2nd grade in junior high school 13 – 14
April 2, 2038 – April 1, 2039 3rd grade in junior high school 14 – 15
April 2, 2039 – April 1, 2040 1st grade in high school 15 – 16
April 2, 2040 – April 1, 2041 2nd grade in high school 16 – 17
April 2, 2041 – April 1, 2042 3rd grade in high school 17 – 18
April 2, 2042 – April 1, 2043 1st year university student 18 – 19
April 2, 2043 – April 1, 2044 2nd year university student 19 – 20
April 2, 2044 – April 1, 2045 3rd year university student 20 – 21
April 2, 2045 – April 1, 2046 4th year university student 21 – 22
April 2, 2046 – April 1, 2047 1st year master's student 22 – 23
April 2, 2047 – April 1, 2048 2nd year master's student 23 – 24
April 2, 2048 – April 1, 2049 1st year Ph.D. student 24 – 25
April 2, 2049 – April 1, 2050 2nd year Ph.D. student 25 – 26
April 2, 2050 – April 1, 2051 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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