So, the 3rd Friday of...

March 2008 is March 21 (Good Friday)
April 2008 is April 18
May 2008 is May 16
June 2008 is June 20
July 2008 is July 18
August 2008 is August 15
September 2008 is September 19 (POW/MIA Recognition Day)
October 2008 is October 17
November 2008 is November 21
December 2008 is December 19
January 2009 is January 16
February 2009 is February 20
March 2009 is March 20
April 2009 is April 17
May 2009 is May 15
June 2009 is June 19
July 2009 is July 17
August 2009 is August 21
September 2009 is September 18
October 2009 is October 16
November 2009 is November 20
December 2009 is December 18
January 2010 is January 15
February 2010 is February 19
March 2010 is March 19