Saturday
The day of the week that May 1, 1977 fell on was a Sunday.
February 1, 1977 was a Tuesday.
1 December 1977 was a Thursday.
April 1 1977 was on a Friday.
September 1 1977 was on a Thursday.
March 1 1977 was a Tuesday.
January 1st, 1977, was a Saturday.
Friday
Thursday
December 1, 1977 fell on a Thursday.
1 October 1983 was a Saturday.
1 October 1946 was a Tuesday.