I know it's not over yet, but if you are planning to come across in the future, refer to the following to plan your trip.

TT Festival Dates For The Next 7 Years.

2004 Saturday May 29 Friday June 11
2005 Saturday May 28 Friday June 10
2006 Saturday May 27 Friday June 9
2007 Saturday May 26 Friday June 8 - Centenary Year
2008 Saturday May 24 Friday June 6
2009 Saturday May 30 Friday June 12
2010 Saturday May 29 Friday June 11