From March 7 to December 5 2010 is 273 days.
From 29th December 2009 until March 22, 2010 there are 84 days inclusive.
Between December 4, 2010 and March 11, 2011 there are 97 days.
From the day the question was asked, the 23rd of December 2013, 1382 days had passed since the 12th of March 2010.
As today is December 5, 2010 there are 98 days until March 13, 2011.
As today is December 20, 2010 there are 76 days until March 6 2011.
There are 82 days til March 22 2011 if today is December 31 2010.
272 days until winter, Tuesday, December 21, 2010 (from Wednesday, March 24, 2010).
From December 28, 2009 until March 21, 2010 there are 83 days inclusive.
There were 31 days in December 2010.
March 2010 had 31 days.
90 Days days from December 1 2010 to March 1 2011.
Including the dates given there are 281 days, or 40 weeks.