Perspective: Five myths about daylight saving time
By Rachel Feltman Rachel Feltman Bio March 6, 2015 Daylight saving time strikes again Sunday at 2 a.m., at least for every state outside Hawaii and Arizona. Though DST has been part of life in the United States since World War I, its origin and effects remain misunderstood, even by some of the lawmakers responsible for it. Here are some common myths.
Daylight saving time, in this or any other country, was never adopted to benefit farmers; it was first proposed by William Willett to the British Parliament in 1907 as a way to take full advantage of the day’s light. Germany was the first country to implement it, and the United States took up the practice upon entering World War I, hypothetically to save energy.
The literature on these health effects is far from conclusive, but spring sunshine does not outweigh the downsides of sleep disruption across the board. A study in Indiana actually found a slight increase in energy use after the entire state adopted DST , costing the state’s residents about $9 million; the researchers believed that more air conditioning in the evening was largely to blame. That’s a far cry from the $7 million that Indiana state representatives had hoped residents would save in electricity costs.
Airlines have also complained loudly about increased DST. When DST was lengthened, the Air Transport Association estimated that the schedule-juggling necessary to keep U.S. flights lined up with international travel would cost the industry $147 million. DST hurts other transportation interests, too: Amtrak is known to halt its overnight trains for an hour when clocks change in November so they don’t show up and leave from their 3 a.m. destinations early.
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