My dates are generating incorrect sentences like this:

"Repeats every 2 days on the third from last Thursday 9 times ."

Here are the dates:

Friday, November 23, 2012 - 11:00am to 1:00pm
Thursday, December 6, 2012 - 11:00am to 1:00pm
Thursday, December 20, 2012 - 11:00am to 1:00pm
Thursday, January 3, 2013 - 11:00am to 1:00pm
Thursday, January 17, 2013 - 11:00am to 1:00pm
Thursday, January 31, 2013 - 11:00am to 1:00pm
Thursday, February 14, 2013 - 11:00am to 1:00pm
Thursday, February 28, 2013 - 11:00am to 1:00pm
Thursday, March 14, 2013 - 11:00am to 1:00pm

Any thoughts?