Monday.
November 7, 2001 was a Wednesday.
July 7, 2001 fell on a Saturday.
It was a Thursday.
Friday.
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.
May 7 1977 was on a Saturday.
7 May 1948 was a Friday.
7 May 1964 was a Thursday.
May 7, 2008 was a Wednesday.