21 weeks and 6 days.
43 weeks and 4 days.
A little over 43 weeks between March 4 2010 and January 5 2011.
A little over 74 weeks are between 1st March 2011 and 1st August 2012.
45 weeks and 1 day.
41 weeks and 3 days.
52 weeks and 1 day.
A little over 12 weeks from 1st January 2011 until 31st March 2011.
34 weeks and 6 days.
11 weeks and 5 days.
122 days until march the 23rd 2011
Including the start and end date in the calculation, there are 30 weeks between the two dates.
13 weeks