Between July 1, 2008 and April 1, 2009 there were 39 weeks.
A little over 13 weeks between Jan 1 and April 5 2009.
40 weeks
105 weeks
49 weeks, and 5 days.
78 weeks and 5 days.
March 2009 to April 2009 has a total of eight weeks, four weeks in each month.
130 weeks and 2 days.
80 weeks and 5 days.
90 weeks and 1 day.
Including the start and end date in the calculation, there were 240 days between September 1, 2008 and April 29, 2009.
47 weeks since April 27 2009 until March 22 2010.
Adding 9 weeks, that is, 63 days, to April 13, 2009 gives June 15, 2009.