From January 1 to November 30, there are 330 days. When you divide 330 days by 7 days per week, you get approximately 47.14 weeks. Therefore, there are about 47 weeks from January 1 to November 30.
30 weeks (rounded down).
30 weeks in a normal year and 30 weeks and 1 day in a leap year.
30 weeks and 4 days.
That's about 30 weeks.
132 weeks and 2 days.
30 weeks (rounded down)
25 weeks (rounded down).
25 weeks and 6 days.
34 weeks and 3 days.
11 weeks from November 30 2010 is Tuesday, February 15, 2011.
Between January 1, 2009 and September 20, 2009 there are 34 weeks and 5 days.
There are 30 weeks and 2 days between those dates