It has been confirmed that the IMAX version of Harry Potter and the Half-Blood Prince will be released on November 21, 2008, which is the same day it is released in regular theatres.

“Our release of Harry Potter and the Half-Blood Prince is scheduled for November, and we expect that as with Harry Potter 5, certain sections of the film such as the finale will be presented in IMAX 3D.”

Thanks ComingSoon.net!