You could count them manually on a calendar from whatever date it is. You could use some software, like a spreadsheet, to do the calculations between the dates.
52 weeks rounded up.
11 weeks and 4 days.
In 2016, from the Saturday the 30th of April, until the Thursday the 1st of December is 30 weeks and 5 days.
According to logical stubbies rates only 6 more,Weeks until Christmas 2012
There are 26 weeks from July 1, 2013, to December 31, 2013.
April 8, 2012 is exactly 17 weeks after December 11, 2011.
25 weeks and 4 days.
There are four weeks in December.
3 weeks&1 day. 22 days.
There are 4 weeks and 3 days in December.
There are 4 weeks and 3 days in December.
There are 4 weeks and 2 days in December 2010.