It depends if it is a leap year or not.....
A little over 21 weeks between January 1 2011 and June 1 2011.
34 weeks and 6 days.
From the 23rd of June 2010 to the1st of January 2011 was 27 weeks and 3 days.
21 weeks and 4 days.
A little over 30 weeks between November 1st 2010 to June 1st 2011.
There are approximately 26 weeks between January and June. This is calculated by counting the weeks in each month: January has 4 weeks, February has about 4 weeks, March has 4 weeks, April has 4 weeks, May has 4 weeks, and June typically has about 4 weeks, totaling around 26 weeks. However, the exact number can vary slightly depending on how you count the days in each month.
26 weeks and 1 day.
166 days are between January 1 and June 17 of a non-leap year.
about 33 weeks
There are 23 weeks (and 1 day) between January 1st and June 9th (on a 2010 calendar).
43 weeks
52 weeks.