[School year 2031] Date of birth and age of 3rd grade in high school

Calculate date of birth and age from grade

Date of birth and age of 3rd 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) - 3rd grade in high school

School year 2031
(Reiwa 13)
April 2, 2031 – April 1, 2032
Grade 3rd grade in high school
Date of birth April 2, 2013 – April 1, 2014
Age 17 years old – 18 years old
If your birthday has not yet come after April 2nd : 17 years old
If your birthday is after April 2nd : 18 years old
Sexagenary cycle
Born in 2013 : 巳(Mi 巳(Mi))
Born in 2014 : 午(Uma 午(Uma))

Grade list

DateGrade Age
April 2, 2013 – April 1, 2014 Birth
April 2, 2014 – April 1, 2015 0 – 1
April 2, 2015 – April 1, 2016 1 – 2
April 2, 2016 – April 1, 2017 2 – 3
April 2, 2017 – April 1, 2018 1st year of kindergarten 3 – 4
April 2, 2018 – April 1, 2019 2nd year of kindergarten 4 – 5
April 2, 2019 – April 1, 2020 3rd year of kindergarten 5 – 6
April 2, 2020 – April 1, 2021 1st grade in elementary school 6 – 7
April 2, 2021 – April 1, 2022 2nd grade in elementary school 7 – 8
April 2, 2022 – April 1, 2023 3rd grade in elementary school 8 – 9
April 2, 2023 – April 1, 2024 4th grade in elementary school 9 – 10
April 2, 2024 – April 1, 2025 5th grade in elementary school 10 – 11
April 2, 2025 – April 1, 2026 6th grade in elementary school 11 – 12
April 2, 2026 – April 1, 2027 1st grade in junior high school 12 – 13
April 2, 2027 – April 1, 2028 2nd grade in junior high school 13 – 14
April 2, 2028 – April 1, 2029 3rd grade in junior high school 14 – 15
April 2, 2029 – April 1, 2030 1st grade in high school 15 – 16
April 2, 2030 – April 1, 2031 2nd grade in high school 16 – 17
April 2, 2031 – April 1, 2032 3rd grade in high school 17 – 18
April 2, 2032 – April 1, 2033 1st year university student 18 – 19
April 2, 2033 – April 1, 2034 2nd year university student 19 – 20
April 2, 2034 – April 1, 2035 3rd year university student 20 – 21
April 2, 2035 – April 1, 2036 4th year university student 21 – 22
April 2, 2036 – April 1, 2037 1st year master's student 22 – 23
April 2, 2037 – April 1, 2038 2nd year master's student 23 – 24
April 2, 2038 – April 1, 2039 1st year Ph.D. student 24 – 25
April 2, 2039 – April 1, 2040 2nd year Ph.D. student 25 – 26
April 2, 2040 – April 1, 2041 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