ten weeks
12
119 weeks.
69 weeks and 2 days.
40
28 weeks and 5 days
29 weeks are between February 3 2010 and August 25 2010.
There are 99 weeks (23 mounths) between February 2009 and December 2010.
21 weeks and 1 day.
There are about 134½ weeks between 1 January 2011 and 31 July 2013.
From February 25, 2012 to June 23, 2012 is 17 weeks, so there are 16 full weeks between the dates.
A little over 4 weeks February 8th to March 10 2010.
From the 28th of February 2014 to the 1st of October 2014 was 30 weeks and 5 days.