Adding 60 days to September 1, 2011 gives October 31, 2011.
60 days from January 31, 2011 is April 1, 2011.
The 14th of November 2010 is 60 days before the 13th of January 2011. The 14th of March 2011 is 60 days after it.
Adding 60 days to March 11, 2011 gives May 10, 2011.
Adding 60 days to January 16, 2011 gives March 17, 2011.
Subtracting 60 days from August 22, 2011 gives June 23, 2011.
60 days before it is Friday the 5th of August 2011. 60 days after it is Saturday the 3rd of December 2011.
Adding 60 days to February 3, 2011 gives April 4, 2011.
The 30th of July 2010 was 60 days before it and the 27th of November 2010 was 60 days after it.
Adding 60 days to August 1 gives September 30.
Both September and November have 30 days, so 60 days in total.
60 days after December 7 is February 5th
23 Nov