Wednesday
September 15 1986 was a Monday.
January 15, 1986 was a Wednesday.
April 15, 1986 fell on a Tuesday.
15 October 2012 will be a Monday.
October 15 1971 was a Friday.
October 15, 1970, was a Thursday.
October 15, 2007 was a Monday.
October 15, 1997 was on a Wednesday.
Tuesday
It was a Monday.
Saturday
It was a Friday.