Thirty.
52 weeks.
There are about 134½ weeks between 1 January 2011 and 31 July 2013.
A little over 12 weeks from 1st January 2011 until 31st March 2011.
Between January 1 and October 31 there are 39 weeks.
On the day this question is being answered (Thursday January 31st 2013), it is 102 weeks and 2 days since Tuesday the 15th of February 2011.On the day this question is being answered (Thursday January 31st 2013), it is 102 weeks and 2 days since Tuesday the 15th of February 2011.On the day this question is being answered (Thursday January 31st 2013), it is 102 weeks and 2 days since Tuesday the 15th of February 2011.On the day this question is being answered (Thursday January 31st 2013), it is 102 weeks and 2 days since Tuesday the 15th of February 2011.On the day this question is being answered (Thursday January 31st 2013), it is 102 weeks and 2 days since Tuesday the 15th of February 2011.On the day this question is being answered (Thursday January 31st 2013), it is 102 weeks and 2 days since Tuesday the 15th of February 2011.On the day this question is being answered (Thursday January 31st 2013), it is 102 weeks and 2 days since Tuesday the 15th of February 2011.On the day this question is being answered (Thursday January 31st 2013), it is 102 weeks and 2 days since Tuesday the 15th of February 2011.On the day this question is being answered (Thursday January 31st 2013), it is 102 weeks and 2 days since Tuesday the 15th of February 2011.On the day this question is being answered (Thursday January 31st 2013), it is 102 weeks and 2 days since Tuesday the 15th of February 2011.On the day this question is being answered (Thursday January 31st 2013), it is 102 weeks and 2 days since Tuesday the 15th of February 2011.
43 weeks and 4 days.
30 weeks and 4 days.
30 weeks and 3 days.
Jan 1st - Oct 31st is Forty weeks and two days - according to my Windows calendar !
38 weeks.
There are 273 days from the dates 31st January to 01st November 2011.
The period is seventeen weeks and four days inclusive.