14 weeks and 5 days.
There are four weeks in February.
There are 28 days in February 2011.
Leaving February out, the rest of the year is 48 weeks, but that's not a year - you have to add February back in to call it a "year".
Since this is just one year, there are 52 weeks from May 2011 to May 2012.
There are 26 weeks (and 3 days) between August 2010 to February 1 2011.
8 weeks and 2 days.
Weeks are normally counted from Mondays, so as there are 5 Mondays in January 2011 and 4 in February, there are 9 weeks. However, as the last Monday in February is also the last day of February, there are really only 8 weeks (and 3 days) in January and February 2011.
There are 26 weeks (and 3 days) between August 2010 to February 1 2011.
119 weeks.
39 weeks and 1 day
33 weeks and 1 day.
21 weeks and 6 days.
64 weeks and 1 day.
On the day the question was asked, the 9th of July 2011, there were exactly 30 weeks to the 4th of February 2012.
From the beginning of February, 2011 through the end of August, 2011 was 30 weeks and 1 day. From the beginning of January, 2011 through the end of September, 2011 was 38 weeks and 6 days.
As today is February 10, 2010 there are 91 weeks and 2 days until November 11, 2011.