[School year 2005] Date of birth and age of 1st year of kindergarten

Calculate date of birth and age from grade

Date of birth and age of 1st year of kindergarten as of School year 2005(Heisei 17).
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 2005" is from April 1, 2005 to March 31, 2006.

School year 2005(Heisei 17) - 1st year of kindergarten

School year 2005
(Heisei 17)
April 2, 2005 – April 1, 2006
Grade 1st year of kindergarten
Date of birth April 2, 2001 – April 1, 2002
Age 3 years old – 4 years old
If your birthday has not yet come after April 2nd : 3 years old
If your birthday is after April 2nd : 4 years old
Sexagenary cycle
Born in 2001 : 巳(Mi 巳(Mi))
Born in 2002 : 午(Uma 午(Uma))

Grade list

DateGrade Age
April 2, 2001 – April 1, 2002 Birth
April 2, 2002 – April 1, 2003 0 – 1
April 2, 2003 – April 1, 2004 1 – 2
April 2, 2004 – April 1, 2005 2 – 3
April 2, 2005 – April 1, 2006 1st year of kindergarten 3 – 4
April 2, 2006 – April 1, 2007 2nd year of kindergarten 4 – 5
April 2, 2007 – April 1, 2008 3rd year of kindergarten 5 – 6
April 2, 2008 – April 1, 2009 1st grade in elementary school 6 – 7
April 2, 2009 – April 1, 2010 2nd grade in elementary school 7 – 8
April 2, 2010 – April 1, 2011 3rd grade in elementary school 8 – 9
April 2, 2011 – April 1, 2012 4th grade in elementary school 9 – 10
April 2, 2012 – April 1, 2013 5th grade in elementary school 10 – 11
April 2, 2013 – April 1, 2014 6th grade in elementary school 11 – 12
April 2, 2014 – April 1, 2015 1st grade in junior high school 12 – 13
April 2, 2015 – April 1, 2016 2nd grade in junior high school 13 – 14
April 2, 2016 – April 1, 2017 3rd grade in junior high school 14 – 15
April 2, 2017 – April 1, 2018 1st grade in high school 15 – 16
April 2, 2018 – April 1, 2019 2nd grade in high school 16 – 17
April 2, 2019 – April 1, 2020 3rd grade in high school 17 – 18
April 2, 2020 – April 1, 2021 1st year university student 18 – 19
April 2, 2021 – April 1, 2022 2nd year university student 19 – 20
April 2, 2022 – April 1, 2023 3rd year university student 20 – 21
April 2, 2023 – April 1, 2024 4th year university student 21 – 22
April 2, 2024 – April 1, 2025 1st year master's student 22 – 23
April 2, 2025 – April 1, 2026 2nd year master's student 23 – 24
April 2, 2026 – April 1, 2027 1st year Ph.D. student 24 – 25
April 2, 2027 – April 1, 2028 2nd year Ph.D. student 25 – 26
April 2, 2028 – April 1, 2029 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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