2
8
52 weeks after Tuesday, September 1, 2009 = Tuesday, August 31, 2010.
47 weeks and 5 days.
41 weeks (rounded down)
Subtracting 26 weeks from February 4, 2010 gives August 6, 2009.
38 weeks before Thursday, August 12th, 2010 = Thusday, November 19th, 2009.
29 weeks are between February 3 2010 and August 25 2010.
Between January 1, 2010 and August 1, 2010 there were 30 weeks and 2 days.
18 weeks and 1 day.
About 78 weeks between June 2009 and December 2010.
There are 26 weeks (and 3 days) between August 2010 to February 1 2011.
There are 99 weeks (23 mounths) between February 2009 and December 2010.