[School year 1998] Date of birth and age of 6th grade in elementary school

Calculate date of birth and age from grade

Date of birth and age of 6th grade in elementary school as of School year 1998(Heisei 10).
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 1998" is from April 1, 1998 to March 31, 1999.

School year 1998(Heisei 10) - 6th grade in elementary school

School year 1998
(Heisei 10)
April 2, 1998 – April 1, 1999
Grade 6th grade in elementary school
Date of birth April 2, 1986 – April 1, 1987
Age 11 years old – 12 years old
If your birthday has not yet come after April 2nd : 11 years old
If your birthday is after April 2nd : 12 years old
Sexagenary cycle
Born in 1986 : 寅(Tora 寅(Tora))
Born in 1987 : 卯(U 卯(U))

Grade list

DateGrade Age
April 2, 1986 – April 1, 1987 Birth
April 2, 1987 – April 1, 1988 0 – 1
April 2, 1988 – April 1, 1989 1 – 2
April 2, 1989 – April 1, 1990 2 – 3
April 2, 1990 – April 1, 1991 1st year of kindergarten 3 – 4
April 2, 1991 – April 1, 1992 2nd year of kindergarten 4 – 5
April 2, 1992 – April 1, 1993 3rd year of kindergarten 5 – 6
April 2, 1993 – April 1, 1994 1st grade in elementary school 6 – 7
April 2, 1994 – April 1, 1995 2nd grade in elementary school 7 – 8
April 2, 1995 – April 1, 1996 3rd grade in elementary school 8 – 9
April 2, 1996 – April 1, 1997 4th grade in elementary school 9 – 10
April 2, 1997 – April 1, 1998 5th grade in elementary school 10 – 11
April 2, 1998 – April 1, 1999 6th grade in elementary school 11 – 12
April 2, 1999 – April 1, 2000 1st grade in junior high school 12 – 13
April 2, 2000 – April 1, 2001 2nd grade in junior high school 13 – 14
April 2, 2001 – April 1, 2002 3rd grade in junior high school 14 – 15
April 2, 2002 – April 1, 2003 1st grade in high school 15 – 16
April 2, 2003 – April 1, 2004 2nd grade in high school 16 – 17
April 2, 2004 – April 1, 2005 3rd grade in high school 17 – 18
April 2, 2005 – April 1, 2006 1st year university student 18 – 19
April 2, 2006 – April 1, 2007 2nd year university student 19 – 20
April 2, 2007 – April 1, 2008 3rd year university student 20 – 21
April 2, 2008 – April 1, 2009 4th year university student 21 – 22
April 2, 2009 – April 1, 2010 1st year master's student 22 – 23
April 2, 2010 – April 1, 2011 2nd year master's student 23 – 24
April 2, 2011 – April 1, 2012 1st year Ph.D. student 24 – 25
April 2, 2012 – April 1, 2013 2nd year Ph.D. student 25 – 26
April 2, 2013 – April 1, 2014 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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