December 4, 1964 was on a Friday.
Friday
4 April 1964 was a Saturday.
September 4, 1964 was a Friday.
October 4 1964 was a Sunday.
January 4, 1964 was a Saturday.
4 August 1964 was a Tuesday.
January 4, 1964 was a Saturday.
July 4, 1964 fell on a Saturday.
May 4, 1964 fell on a Monday.
Friday
Tuesday.
It was a Tuesday.