Per the Energy Policy Act of 2005, this began March 11, 2007, 3 weeks earlier than in 2006
[DOC] [TLE] Bonus Site Archive - Refdesk.com [PAR] Older Americans have more money and are expected to live far longer than prior 
... the Treasury will begin sending economic stimulus payments to more than ..... 
DST will start on March 11, 2007, which is three weeks earlier than usual, .... On 
August 8, 2005, President George W. Bush signed the Energy Policy Act of 2005.