[School year 1990] Date of birth and age of 3rd year of kindergarten

Calculate date of birth and age from grade

Date of birth and age of 3rd year of kindergarten as of School year 1990(Heisei 2).
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 1990" is from April 1, 1990 to March 31, 1991.

School year 1990(Heisei 2) - 3rd year of kindergarten

School year 1990
(Heisei 2)
April 2, 1990 – April 1, 1991
Grade 3rd year of kindergarten
Date of birth April 2, 1984 – April 1, 1985
Age 5 years old – 6 years old
If your birthday has not yet come after April 2nd : 5 years old
If your birthday is after April 2nd : 6 years old
Sexagenary cycle
Born in 1984 : 子(Ne 子(Ne))
Born in 1985 : 丑(Ushi 丑(Ushi))

Grade list

DateGrade Age
April 2, 1984 – April 1, 1985 Birth
April 2, 1985 – April 1, 1986 0 – 1
April 2, 1986 – April 1, 1987 1 – 2
April 2, 1987 – April 1, 1988 2 – 3
April 2, 1988 – April 1, 1989 1st year of kindergarten 3 – 4
April 2, 1989 – April 1, 1990 2nd year of kindergarten 4 – 5
April 2, 1990 – April 1, 1991 3rd year of kindergarten 5 – 6
April 2, 1991 – April 1, 1992 1st grade in elementary school 6 – 7
April 2, 1992 – April 1, 1993 2nd grade in elementary school 7 – 8
April 2, 1993 – April 1, 1994 3rd grade in elementary school 8 – 9
April 2, 1994 – April 1, 1995 4th grade in elementary school 9 – 10
April 2, 1995 – April 1, 1996 5th grade in elementary school 10 – 11
April 2, 1996 – April 1, 1997 6th grade in elementary school 11 – 12
April 2, 1997 – April 1, 1998 1st grade in junior high school 12 – 13
April 2, 1998 – April 1, 1999 2nd grade in junior high school 13 – 14
April 2, 1999 – April 1, 2000 3rd grade in junior high school 14 – 15
April 2, 2000 – April 1, 2001 1st grade in high school 15 – 16
April 2, 2001 – April 1, 2002 2nd grade in high school 16 – 17
April 2, 2002 – April 1, 2003 3rd grade in high school 17 – 18
April 2, 2003 – April 1, 2004 1st year university student 18 – 19
April 2, 2004 – April 1, 2005 2nd year university student 19 – 20
April 2, 2005 – April 1, 2006 3rd year university student 20 – 21
April 2, 2006 – April 1, 2007 4th year university student 21 – 22
April 2, 2007 – April 1, 2008 1st year master's student 22 – 23
April 2, 2008 – April 1, 2009 2nd year master's student 23 – 24
April 2, 2009 – April 1, 2010 1st year Ph.D. student 24 – 25
April 2, 2010 – April 1, 2011 2nd year Ph.D. student 25 – 26
April 2, 2011 – April 1, 2012 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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