[School year 2031] 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 2031(Reiwa 13).
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 2031" is from April 1, 2031 to March 31, 2032.

School year 2031(Reiwa 13) - 1st grade in high school

School year 2031
(Reiwa 13)
April 2, 2031 – April 1, 2032
Grade 1st grade in high school
Date of birth April 2, 2015 – April 1, 2016
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 2015 : 未(Hitsuji 未(Hitsuji))
Born in 2016 : 申(Saru 申(Saru))

Grade list

DateGrade Age
April 2, 2015 – April 1, 2016 Birth
April 2, 2016 – April 1, 2017 0 – 1
April 2, 2017 – April 1, 2018 1 – 2
April 2, 2018 – April 1, 2019 2 – 3
April 2, 2019 – April 1, 2020 1st year of kindergarten 3 – 4
April 2, 2020 – April 1, 2021 2nd year of kindergarten 4 – 5
April 2, 2021 – April 1, 2022 3rd year of kindergarten 5 – 6
April 2, 2022 – April 1, 2023 1st grade in elementary school 6 – 7
April 2, 2023 – April 1, 2024 2nd grade in elementary school 7 – 8
April 2, 2024 – April 1, 2025 3rd grade in elementary school 8 – 9
April 2, 2025 – April 1, 2026 4th grade in elementary school 9 – 10
April 2, 2026 – April 1, 2027 5th grade in elementary school 10 – 11
April 2, 2027 – April 1, 2028 6th grade in elementary school 11 – 12
April 2, 2028 – April 1, 2029 1st grade in junior high school 12 – 13
April 2, 2029 – April 1, 2030 2nd grade in junior high school 13 – 14
April 2, 2030 – April 1, 2031 3rd grade in junior high school 14 – 15
April 2, 2031 – April 1, 2032 1st grade in high school 15 – 16
April 2, 2032 – April 1, 2033 2nd grade in high school 16 – 17
April 2, 2033 – April 1, 2034 3rd grade in high school 17 – 18
April 2, 2034 – April 1, 2035 1st year university student 18 – 19
April 2, 2035 – April 1, 2036 2nd year university student 19 – 20
April 2, 2036 – April 1, 2037 3rd year university student 20 – 21
April 2, 2037 – April 1, 2038 4th year university student 21 – 22
April 2, 2038 – April 1, 2039 1st year master's student 22 – 23
April 2, 2039 – April 1, 2040 2nd year master's student 23 – 24
April 2, 2040 – April 1, 2041 1st year Ph.D. student 24 – 25
April 2, 2041 – April 1, 2042 2nd year Ph.D. student 25 – 26
April 2, 2042 – April 1, 2043 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