The Post Office is closed on these days - that should be pretty "official":\n\n2006 Holiday Closing Schedule:\n\n Monday, January 2 - New Year's Day \n Monday, January 16 - Martin Luther King Jr's Birthday \n Monday, February 20 - Washington's Birthday (President's Day) \n Monday, May 29 - Memorial Day \n Tuesday, July 4 - Independence Day \n Monday, September 4 - Labor Day \n Monday, October 9 - Columbus Day \n Friday, November 10 - Veterans Day \n Thursday, November 23 - Thanksgiving Day \n Monday, December 25 - Christmas Day \n Monday, January 1, 2007 - New Year's Day