The given date was a Friday.
May 15, 2009 was a Friday.
July 15, 2009 fell on a Wednesday.
Tuesday
It was a Thursday.
15th August 2009 was a Saturday.
May 15, 2006 was a Monday.
May 15, 1993, was a Saturday.
May 15, 1995 was a Monday
15 May 1939 was on a Monday.
May 15 1985 was a Wednesday.
May 15 2010 was a Saturday.
May 15, 1946 was a Wednesday.