Microsoft: Daylight Savings Time Help and Support Center
“Beginning in 2007, daylight savings time (DST) will be extended in the United States. DST will start on March 11, 2007, which is three weeks earlier than usual, and it will end on November 4, 2007.” This guide helps users of computers with Microsoft Windows operating systems make sure that their computers are updated for the new daylight savings time. Includes information for home and workplace computers, PDAs and cell phones.