US President Barack Obama held a Hannukah party at the White House on Thursday, 12 days before the holiday actually begins.Obama is scheduled to be on vacation in Hawaii on December 20 when Hannukah begins, prompting the early White House celebration. "We’re jumping the gun just a little bit. The way I see it, we’re just extending the holiday spirit. We're stretching it out. But we do have to be careful that your kids don’t start thinking Hanukkah lasts 20 nights instead of eight. That will cause some problems," Obama jested.Israeli Ambassador to the US Michael Oren and US Supreme Court Justice Ruth Bader Ginsburg joined a number of rabbis and Jewish leaders as guests at the event.