when do we set our clocks back 2009
Saturday, October 31st, 2009During Daylight Saving Time, which begins in the spring, clocks are turned forward an hour, shifting an hour of light from the morning to the evening. [1]
It also means some will forget to change their clocks, and show up early for church or other events on Sunday. [2]
Move your clocks back one hour at the resumption of Standard Time. [3]
Daylight saving time in most of the United States ends at 2 a.m., local time, on Sunday, November 1. [4]
American states, except for Hawaii and most of Arizona, set their clocks back one hour in the fall at 2 a.m. [...] A: Daylight Saving Time happens begins in the spring and ends in the fall, hence the saying; “spring forward, fall back.” [5]
The federal law first passed in 1918 and, thanks to a 2005 revision that went into practice in 2007, now stipulates areas that observe daylight saving time must switch back to standard time at 2 a.m. [4]
The change means most Americans will get an extra hour of rest, but those working overnight shifts might toil an hour longer. [2]
Daylight Saving Time began this year when clocks were set an hour ahead on March 8. [...] Laws and usage of the energy-saving effort have varied widely over the years, but is now relatively uniform in the U.S. In 2005, Congress passed the Energy Policy Act, which increased the amount of Daylight Saving Time by four weeks, effective 2007, in an effort to conserve energy by creating a standard daily schedule with more sunlight hours. [5]
Don’t forget to change the time on your clocks BACK one hour before you go to bed. [6]
The time change doesn’t apply in Arizona, Hawaii, Puerto Rico, the Virgin Islands, American Samoa, Guam and the Northern Mariana Islands. [2]
In 1883 the U.S. railroad industry established official time zones with a set standard time within each zone. [4]
Daylight Saving time and Time zones are regulated by the U.S. Department of Transportation, not by NIST. [3]
This is a good time to change the batteries in your smoke detectors and carbon monoxide detectors (which should be done twice a year). [6]
Sources:
[1] Daylight Saving Time Will End on November 1, 2009
[2] Set clocks back Saturday night - 10/29/09 - Toledo News …
[3] When does Daylight Saving Time/Standard Time begin?
[4] Daylight Savings Time 2009: When and Why We Fall Back
[5] FYI: Set those clocks back Halloween night
[6] Quantico Sentry - Set your clocks back!