The given date was a Wednesday.
31st of January 1978 fell on a Tuesday.
It was a Saturday.
January 31, 1990 was a Wednesday.
January 31st, 1900 was a Thursday.
January 31st, 1971 fell on a Sunday.
January 31st, 2009 fell on a Saturday.
January 31st, 1972 fell on a Monday.
January 31st, 2013, is a Thursday.
October 31st 1997 was a Friday.
Tuesday
It was a Monday.
January 31st, 1992 was a Friday.