It was a Sunday.
October 4, 1963 fell on a Friday.
September 4, 1963 fell on a Wednesday.
June 4, 1963 fell on a Tuesday.
Nov 4 1963 was a Monday. This answer was written on Nov 4.
Thursday
4th November 1963 was a Monday.
November 4, 1963 was a Monday.
This was a Sunday
4 August 1996 was a Sunday.
4 August 1998 was a Tuesday.
4 August 1914 was a Tuesday.
4 August 1946 was a Sunday.