39 weeks and 4 days.
A little over 21 weeks between January 1 2011 and June 1 2011.
There are about 134½ weeks between 1 January 2011 and 31 July 2013.
Thursday the 19th of January 2012 is 12 weeks after it and the 4th of August 2011 was 12 weeks before it.
A little over 43 weeks between March 4 2010 and January 5 2011.
44 weeks and 3 days.
34 weeks and 5 days.
34 weeks and 3 days.
34 weeks and 3 days.
52 weeks.
There are 4 weeks in January 2011
Thirty.
56 weeks and 3 days