Tuesday.
31 October 1994 was a Monday.
Sunday
March 31st, 1994 fell on a Thursday.
31 May 1958 was a Saturday.
May 31 1967 was a Wednesday.
May 31 1966 was a Tuesday.
May 31, 1976 was a Monday.
May 31 1947 was a Saturday.
May 31, 1952, was a Saturday.
May 31 1996 was a Friday.
May 31 2010 was a Monday.
May 31, 1972 was a Wednesday.