Subtracting 63 days from December 31, 2010 gives October 29, 2010.
81 days before March 3rd 2010 was Saturday, December 12, 2009.
Adding 60 days to December 2, 2010 gives January 31, 2011.
Adding 180 days to December 18, 2010 gives June 16, 2011.
Adding 180 days to December 13, 2010 gives June 11, 2011.
56 days from Oct 24 2010 will be Sunday, December 19, 2010.
The 16th of December is the middle day. There are 15 days before it and 15 days after it.
There are 365 days in the year 2010. Therefore, the 364th day of the year is December 30, 2010.
March 31
Adding 120 days to August 20, 2010 gives December 18, 2010.
Adding 90 days to September 30, 2010 gives December 29, 2010.
This question was placed on WikiAnswers on December 31, 2009.318 days later will be the 317th day of 2010, or November 14, 2010.
It would fall on February 7 2011.