64 weeks and 1 day.
There are 99 weeks (23 mounths) between February 2009 and December 2010.
About 78 weeks between June 2009 and December 2010.
From July 1st, 2009, and December 1st, 2009, there are 22 weeks.
There are 28 weeks and 2 days between June 6, 2009 and December 21, 2009.
Weeks there were between January 1 2009 to December 31 2009 is 52.
There were 13 weeks between October 1 and December 1, 2009.
Between August 14 2009 and December 8, 2009 there were 16 weeks and 4 days.
A little over 97 weeks between January 28 2009 and December 12 2010.
260 weeks and 6 days.
25 weeks and 4 days.
Adding 40 weeks to February 1, 2009 gives November 8, 2009.
around 22 weeks for 2009.