That would be July 4th, 2011. If you're using one of those 180-days fuses, it was lit at the right time.
January 11, 2012
JANUARY 4, 2012
Adding 180 days to January 11, 2011 gives July 10, 2011.
July 13 2010 plus 180 days is Sunday, January 9, 2011.
August 11, 2011
The 18th of November 2011.
The 1st of November 2011.
Adding 180 days to February 8, 2011 gives August 7, 2011.
March 7, 2012
April 4, 2012
April 10, 2012
16 April 2012.