Including the start and end dates in the calculation, there are 273 days between the two dates.
Between January 1 and September 8, 2010 there are 251 days inclusive.
Between September 14, 2009 and January 27, 2010 there were 135 days.
From the 1st January, 2010 to 1st September, 2010 there are 244 days.
As today is January 27, 2010 there are 216 days until September 1, 2010.
Between January 27, 2010 and November 25, 2010 there are 302 days.
Thursday, January 27, 2011 is 120 days after September 29 2010.
The total number of days between Saturday, January 1st, 2000 and Friday, January 1st, 2010 is 3,653 days.
Since there is no such date as September 31, 2010, this question is impossible to answer. If the date wanted was September 30, then, including the start and end dates in the calculation, there are 273 days between the two dates.
including January and September it is 273 but without January and September it is 212And on a leap year it is 274 inclusive or 213 in-between.
Between January 1st 2010 and May 1st 2010 there are 121 days. There are 12.7 weeks between January and May of 2010.
Between January 7, 2010 and March 19, 2010 there are 71 days inclusive.
There are 76 days inclusive between January 4 and March 21, 2010.