Even way back in 1964, they used the same seven days of the week that we do nowadays!
September 28, 1964 was a Monday.
13 October 1964 was a Tuesday.
1 September 1964 was a Tuesday.
9 April 1964 was a Thursday.
10 October 1964 was a Saturday.
2 October 1964 was a Friday.
4 April 1964 was a Saturday.
August 11 1964 was on a Tuesday.
March 20 1964 was a Friday.
14 December 1964 was a Monday.
17 April 1964 was a Friday.
November 22 1964 was a Sunday.