Assuming that by "through" you mean including both end dates, it's 335 days in a regular year or 336 days in a leap year (which makes the average number of days 335.2425).
the answer for how many days in November January and December is 92
December 31January 31
20
In 2011, there were 333 days between January 20th and December 19th.
There are 25 days between December 13 2010 to January 7 2011.
92
31 days; there are 21 days in the end of December (10-31,) and and (10) inb1-10 January.
from December 26 to January 1
On a non-leap year, there are 358 days between January 1 and December 25. On a leap year, there are 359 days between the two dates.
In 2010, from 1st January to 31st December inclusive, there are 365 days.
From and including: Thursday, 15 January 2009 to, and including: Sunday, 6 December 2009 it is 326 days.
Including the start and end dates in the calculation, there are 32 days between the two dates.