April 13 1963 was on a Saturday.
April 12 1963 was on a Friday.
Friday
Friday
December 13, 1963 was a Friday.
May 13, 1963 was a Monday.
July 13 1963 was a Saturday.
May 13, 1963 fell on a Monday.
March 13, 1963 fell on a Wednesday.
August 13, 1963 fell on a Tuesday.
Thursday
October 13th 1963 was a Sunday.
February 13th 1963 was a Wednesday
Nov 13th 1963 was a Wednesday.
April 13, 2011 was a Wednesday.
April 13 2010 is a Tuesday.