[School year 1988] Date of birth and age of 4th grade in elementary school

Calculate date of birth and age from grade

Date of birth and age of 4th grade in elementary school as of School year 1988(Showa 63).
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 1988" is from April 1, 1988 to March 31, 1989.

School year 1988(Showa 63) - 4th grade in elementary school

School year 1988
(Showa 63)
April 2, 1988 – April 1, 1989
Grade 4th grade in elementary school
Date of birth April 2, 1978 – April 1, 1979
Age 9 years old – 10 years old
If your birthday has not yet come after April 2nd : 9 years old
If your birthday is after April 2nd : 10 years old
Sexagenary cycle
Born in 1978 : 午(Uma 午(Uma))
Born in 1979 : 未(Hitsuji 未(Hitsuji))

Grade list

DateGrade Age
April 2, 1978 – April 1, 1979 Birth
April 2, 1979 – April 1, 1980 0 – 1
April 2, 1980 – April 1, 1981 1 – 2
April 2, 1981 – April 1, 1982 2 – 3
April 2, 1982 – April 1, 1983 1st year of kindergarten 3 – 4
April 2, 1983 – April 1, 1984 2nd year of kindergarten 4 – 5
April 2, 1984 – April 1, 1985 3rd year of kindergarten 5 – 6
April 2, 1985 – April 1, 1986 1st grade in elementary school 6 – 7
April 2, 1986 – April 1, 1987 2nd grade in elementary school 7 – 8
April 2, 1987 – April 1, 1988 3rd grade in elementary school 8 – 9
April 2, 1988 – April 1, 1989 4th grade in elementary school 9 – 10
April 2, 1989 – April 1, 1990 5th grade in elementary school 10 – 11
April 2, 1990 – April 1, 1991 6th grade in elementary school 11 – 12
April 2, 1991 – April 1, 1992 1st grade in junior high school 12 – 13
April 2, 1992 – April 1, 1993 2nd grade in junior high school 13 – 14
April 2, 1993 – April 1, 1994 3rd grade in junior high school 14 – 15
April 2, 1994 – April 1, 1995 1st grade in high school 15 – 16
April 2, 1995 – April 1, 1996 2nd grade in high school 16 – 17
April 2, 1996 – April 1, 1997 3rd grade in high school 17 – 18
April 2, 1997 – April 1, 1998 1st year university student 18 – 19
April 2, 1998 – April 1, 1999 2nd year university student 19 – 20
April 2, 1999 – April 1, 2000 3rd year university student 20 – 21
April 2, 2000 – April 1, 2001 4th year university student 21 – 22
April 2, 2001 – April 1, 2002 1st year master's student 22 – 23
April 2, 2002 – April 1, 2003 2nd year master's student 23 – 24
April 2, 2003 – April 1, 2004 1st year Ph.D. student 24 – 25
April 2, 2004 – April 1, 2005 2nd year Ph.D. student 25 – 26
April 2, 2005 – April 1, 2006 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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