Adding 180 days to March 30, 2011 gives September 26, 2011.
Adding 180 days to September 28, 2011 gives March 26, 2012.
Adding 180 days to September 17, 2010 gives March 16, 2011.
Adding 180 days to March 1, 2011 gives August 28, 2011.
Adding 180 days to March 19 gives September 15.
January 9, 2011 + 180 days = July 8, 2011.
Adding 180 days to February 26, 2011 gives August 25, 2011.
Adding 180 days to February 24, 2011 gives August 23, 2011.
Adding 180 days to May 22, 2011 gives November 18, 2011.
Adding 180 days to April 1 2011 gives September 28, 2011.
Adding 180 days to January 13, 2011 gives July 12, 2011.
Adding 180 days to July 1, 2011 gives December 28, 2011.
Adding 180 days to February 9, 2011 gives August 8, 2011.