About 14 weeks
40
397
34 weeks and 5 days.
15 July 2007 until the 13 September 2009 is 113 weeks.
This answer will constantly change. As of today, April 20th, 2013, there are approximately 4 months and 12 days until September 1st.
10 weeks.
9 weeks
There are exactly 6 weeks until August 23rd 2013. 6 weeks is equal to 42 days left, or 1 month and 2 weeks left until it is August 23rd 2013. But the time will go by faster with hobbies to occupy the time.
Fifteen weeks and four days.
52 weeks.
about 20 weeks or so.