January 31, 1997 fell on a Friday.
July 31, 1997 was a Thursday.
October 31, 1997 was a Friday.
31 August 1997 was on a Sunday.
31 January 1965 was a Sunday.
January 31, 1949, was a Monday.
January 31, 1957, was a Thursday.
31 January 1936 was a Friday.
August 31, 1997 fell on a Sunday.
January 31, 1947 fell on a Friday.
January 31, 1989 fell on a Tuesday.
January 31, 1945 fell on a Wednesday.
January 31, 1998 fell on a Saturday.