May 7 1977 was on a Saturday.
November 7 1977 was a Monday.
It was a Thursday.
June 7, 1977, was a Tuesday.
Thursday. Check out the related link I added.
7 May 1971 was a Friday.
7 May 1945 was a Monday.
May 7 1949 was on a Saturday.
May 7 1978 was on a Sunday.
7 May 1948 was a Friday.
7 May 1964 was a Thursday.
May 7, 2008 was a Wednesday.
May 7 2010 was a Friday.