It is already known that the London Premiere will happen on July 07. Now, thanks to Snitchseeker, we know that the New York one will be 4 days later, the 11th.
Harry Potter fans in the U.S. who own Time Warner Cable can win a chance to attend the New York City premiere of Harry Potter and the Deathly Hallows: Part II, which is set to take place on Monday, July 11, 2011 - four days before the release of the final film - as confirmed by TWC to SnitchSeeker. For more information on how to participate, head to Time Warner's official Facebook.