Wednesday
17 September 1979 was a Monday.
February 17, 1979, was a Saturday.
December 17 1979 was a Monday.
December 17, 1979, fell on a Monday.
17 January 1959 was a Saturday.
January 17 1967 was a Tuesday.
January 17, 1999 was a Sunday.
Tuesday
It was a Saturday.
January 17, 1996 fell on a Wednesday.
January 17, 1939 fell on a Tuesday.
January 17, 1957 fell on a Thursday.