April 18, 2011
Adding 180 days to October 9, 2010 gives April 7, 2011.
Adding 180 days to October 29, 2010 gives April 27, 2011.
October 13, 2010 + 180 days = April 11, 2011.
Adding 180 days to October 4, 2010 gives April 4, 2011.
Adding 180 days to October 6, 2010 gives April 4, 2011.
September 1, 2010 + 180 days = February 28, 2011.
Adding 180 days to February 3, 2010 gives August 2, 2010.
Adding 180 days to February 8, 2010 gives August 7, 2010.
Adding 180 days to August 13, 2010 gives February 9, 2011.
180 days after July 8 2010 would be on January 4 2011.
Adding 180 days to November 23, 2010 gives May 22, 2011.
Adding 180 days to July 28, 2010 gives January 24, 2011.