[School year 2024] 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 2024(Reiwa 6).
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 2024" is from April 1, 2024 to March 31, 2025.

School year 2024(Reiwa 6) - 3rd grade in high school

School year 2024
(Reiwa 6)
April 2, 2024 – April 1, 2025
Grade 3rd grade in high school
Date of birth April 2, 2006 – April 1, 2007
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 2006 : 戌(Inu 戌(Inu))
Born in 2007 : 亥(I 亥(I))

Grade list

DateGrade Age
April 2, 2006 – April 1, 2007 Birth
April 2, 2007 – April 1, 2008 0 – 1
April 2, 2008 – April 1, 2009 1 – 2
April 2, 2009 – April 1, 2010 2 – 3
April 2, 2010 – April 1, 2011 1st year of kindergarten 3 – 4
April 2, 2011 – April 1, 2012 2nd year of kindergarten 4 – 5
April 2, 2012 – April 1, 2013 3rd year of kindergarten 5 – 6
April 2, 2013 – April 1, 2014 1st grade in elementary school 6 – 7
April 2, 2014 – April 1, 2015 2nd grade in elementary school 7 – 8
April 2, 2015 – April 1, 2016 3rd grade in elementary school 8 – 9
April 2, 2016 – April 1, 2017 4th grade in elementary school 9 – 10
April 2, 2017 – April 1, 2018 5th grade in elementary school 10 – 11
April 2, 2018 – April 1, 2019 6th grade in elementary school 11 – 12
April 2, 2019 – April 1, 2020 1st grade in junior high school 12 – 13
April 2, 2020 – April 1, 2021 2nd grade in junior high school 13 – 14
April 2, 2021 – April 1, 2022 3rd grade in junior high school 14 – 15
April 2, 2022 – April 1, 2023 1st grade in high school 15 – 16
April 2, 2023 – April 1, 2024 2nd grade in high school 16 – 17
April 2, 2024 – April 1, 2025 3rd grade in high school 17 – 18
April 2, 2025 – April 1, 2026 1st year university student 18 – 19
April 2, 2026 – April 1, 2027 2nd year university student 19 – 20
April 2, 2027 – April 1, 2028 3rd year university student 20 – 21
April 2, 2028 – April 1, 2029 4th year university student 21 – 22
April 2, 2029 – April 1, 2030 1st year master's student 22 – 23
April 2, 2030 – April 1, 2031 2nd year master's student 23 – 24
April 2, 2031 – April 1, 2032 1st year Ph.D. student 24 – 25
April 2, 2032 – April 1, 2033 2nd year Ph.D. student 25 – 26
April 2, 2033 – April 1, 2034 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