2010: August 1st
The three weeks are the period between the fast-day of the seventeenth of Tamuz and the fast-day of the ninth of Av. These three weeks occur in July-August and are a time when Jews mourn for the Destruction of the Temple.
Today in May 9, 2014. If you subtract 41 weeks, the date would be July 26, 2013. The day was a Friday and the 207th day of 2013.
For the date October 3rd, ten weeks ago would have been July 25th. (This answer would depend, obviously, on what day the question was asked.)
4 weeks would equal 28 days. Adding the three days on, it would be 31 days.
93 weeks before the 2nd of May 2015, when the question was asked, was the 20th of July 2013.
Twelve weeks and one day before July 7 is April 13.
31 weeks and today would be the 3rd day of the 32nd week
May and July have 31 days each. June has 30 days. Altogether, the three months have 92 days (13 weeks and one day).
June, July and August is 13 weeks and 1 day.
There are 26 weeks from July 1, 2013, to December 31, 2013.
1.347 weeks and 1 day.
The 12th of August.