21 weeks and 4 days. In 2010 the 1st of January is a Friday and the 1st of June is a Tuesday.
About 78 weeks between June 2009 and December 2010.
74 weeks between June 1 2009 until November 1 2010.
A little over 30 weeks between November 1st 2010 to June 1st 2011.
25 weeks and 6 days.
23 weeks and 3 days.
44 weeks and 5 days!
28 weeks and 5 days.
43 weeks
52 weeks.
There are 23 weeks (and 1 day) between January 1st and June 9th (on a 2010 calendar).
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How many weeks between September 27, 2010 and June 30, 2011