Adding 179 days to December 20, 2010 gives June 17, 2011.
The date which falls 90 days after December 4, 2010 is March 4, 2011.
Subtracting 126 days from December 10, 2010 gives August 6, 2010.
Adding 120 days to December 13, 2010 gives April 12, 2011.
Adding 240 days to December 23, 2010 gives August 20, 2011.
Adding 120 days to December 23, 2010 gives April 22, 2011.
Adding 120 days to December 3, 2010 gives April 2, 2011.
Adding 120 days to December 14, 2010 gives April 13, 2011.
150 days after Saturday, July 10th, 2010 = Tuesday, December 7th, 2010.
500 days after Thursday, December 16, 2010 = Sunday, April 29, 2012.
The date 350 days from 15 December 2010 is Wednesday, November 30, 2011.
June 15, 2010 falls 120 days after February 15, 2010.
The 10th of December.