[School year 2025] Date of birth and age of 1st grade in elementary school

Calculate date of birth and age from grade

Date of birth and age of 1st grade in elementary school as of School year 2025(Reiwa 7).
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 2025" is from April 1, 2025 to March 31, 2026.

School year 2025(Reiwa 7) - 1st grade in elementary school

School year 2025
(Reiwa 7)
April 2, 2025 – April 1, 2026
Grade 1st grade in elementary school
Date of birth April 2, 2018 – April 1, 2019
Age 6 years old – 7 years old
If your birthday has not yet come after April 2nd : 6 years old
If your birthday is after April 2nd : 7 years old
Sexagenary cycle
Born in 2018 : 戌(Inu 戌(Inu))
Born in 2019 : 亥(I 亥(I))

Grade list

DateGrade Age
April 2, 2018 – April 1, 2019 Birth
April 2, 2019 – April 1, 2020 0 – 1
April 2, 2020 – April 1, 2021 1 – 2
April 2, 2021 – April 1, 2022 2 – 3
April 2, 2022 – April 1, 2023 1st year of kindergarten 3 – 4
April 2, 2023 – April 1, 2024 2nd year of kindergarten 4 – 5
April 2, 2024 – April 1, 2025 3rd year of kindergarten 5 – 6
April 2, 2025 – April 1, 2026 1st grade in elementary school 6 – 7
April 2, 2026 – April 1, 2027 2nd grade in elementary school 7 – 8
April 2, 2027 – April 1, 2028 3rd grade in elementary school 8 – 9
April 2, 2028 – April 1, 2029 4th grade in elementary school 9 – 10
April 2, 2029 – April 1, 2030 5th grade in elementary school 10 – 11
April 2, 2030 – April 1, 2031 6th grade in elementary school 11 – 12
April 2, 2031 – April 1, 2032 1st grade in junior high school 12 – 13
April 2, 2032 – April 1, 2033 2nd grade in junior high school 13 – 14
April 2, 2033 – April 1, 2034 3rd grade in junior high school 14 – 15
April 2, 2034 – April 1, 2035 1st grade in high school 15 – 16
April 2, 2035 – April 1, 2036 2nd grade in high school 16 – 17
April 2, 2036 – April 1, 2037 3rd grade in high school 17 – 18
April 2, 2037 – April 1, 2038 1st year university student 18 – 19
April 2, 2038 – April 1, 2039 2nd year university student 19 – 20
April 2, 2039 – April 1, 2040 3rd year university student 20 – 21
April 2, 2040 – April 1, 2041 4th year university student 21 – 22
April 2, 2041 – April 1, 2042 1st year master's student 22 – 23
April 2, 2042 – April 1, 2043 2nd year master's student 23 – 24
April 2, 2043 – April 1, 2044 1st year Ph.D. student 24 – 25
April 2, 2044 – April 1, 2045 2nd year Ph.D. student 25 – 26
April 2, 2045 – April 1, 2046 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