The National Debt Clock is a large electronic display of the U.S. national debt, attached to the side of a building near Times Square in Manhattan. FOX News: National Debt Clock Adds a Digit (October 8, 2008) An extra digit was manually added to the clock on October 6, 2008, after the debt surpassed the $10 trillion mark. FOX News: National Debt Clock Adds a Digit (October 8, 2008) The increase was due to the $700 billion financial industry bailout plan signed by President Bush on the previous business day. FOX News: National Debt Clock Adds a Digit (October 8, 2008)