Daylight savings time ends in the United States tonight at 2am November 1st (Sunday.)
For those who can't remember which way your clock goes, you turn it backwards one hour, so 2am becomes 1am. If you head to be at 11pm, turn your clocks back to 10pm.
If you're in one of the following States or territories, don't adjust your clocks, because you don't observe daylight savings and time change 2009 fall doesn't apply: Arizona, Hawaii, Puerto Rico, the Virgin Islands, American Samoa, Guam and the Northern Marianas.
Clocks go forward again one hour in the United States March 19.