Add 21 to the year: 1987 + 21 = 2008 → You turned 21 on 9th April 2008.
It was a Sunday.
Tuesday
Monday
Tuesday.
April 9 1974 was a Tuesday.
April 9 2007 was on a Monday.
9 April 1964 was a Thursday.
April 9 2010 was a Friday.
April 9, 1912 was a Tuesday.
9 April 1865 was a Sunday.
9 April 1992 was a Thursday.
May 9 was a Saturday
April 9, 1998 fell on a Thursday.
April 9 1984 was a Monday.
April 9, 1995 fell on a Sunday.
April 9, 2002 fell on a Tuesday.