Mar 02,2007 00:00
The change was mandated by the Energy Policy Act of 2005, with the idea that longer daylight hours will lead to the use of less electricity. This is now a commonly appreciated fact, but what is the story behind the law? Time expert Mark Siciliano, Director of Marketing for Howard Miller -- the world's largest clock company -- offers the following facts about the history of DST:
Who started it all? Benjamin Franklin proposed DST as a way to curb the use of lamps in his humorous essay Journal de Paris. The system has been widely used since World War I, when it was adopted by
Who is in charge of DST? The U.S. Department of Transportation, which also has jurisdiction over time zones. Standard time in time zones was first instituted in 1883 by the railroads.
What are the advantages of DST? The extra hour of afternoon daylight trims the country's electricity usage by about 1 percent each day. There are also reductions in traffic injuries and crime.
Until now, why has DST begun the first Sunday in April? Mindful that barbecuing is best begun in daylight, the Barbeque Industry Association spearheaded legislation passed in 1986 that moved DST up from the last weekend of April.
Why will manual clock setting soon be a thing of the past? Timepieces can now be equipped with a powerful radio signal transmitted from the National Institute of Standards & Technology (NIST) in