The idea of daylight saving was first conceived by Benjamin Franklin during his sojourn as an American delegate in Paris in 1784, in an essay, "An Economical Project."
The idea was first advocated seriously by a London builder, William Willett (1857-1915), in the pamphlet "Waste of Daylight" (1907) that proposed advancing clocks 20 minutes on each of four Sundays in April, and retarding them by the same amount on four Sundays in September. When questioned as to why he didn't simply get up an hour earlier, Willett replied with typical British humor, "What?" In his pamphlet "The Waste of Daylight" he wrote:
"Everyone appreciates the long, light evenings. Everyone laments their shortage as Autumn approaches; and everyone has given utterance to regret that the clear, bright light of an early morning during Spring and Summer months is so seldom seen or used".
About twelve months after Willett began to advocate daylight saving (he spent a fortune lobbying), he attracted the attention of the authorities and Mr. Pearce later Sir Robert Pearce introduced a Bill in the House of Commons to make it compulsory to adjust the clocks. The bill was drafted in 1909 and introduced in Parliament several times, but it met with ridicule and opposition, especially from farming interests. Generally lampooned at the time, Willett died on March 4, 1915
On May 17, 1916, an Act was passed and scheme was put in operation on the following Sunday, May 21, 1916, following the lead of Germany. There was a storm of opposition, confusion and prejudice. The Royal Meteorological Society insisted that Greenwich time would still be used to measure tides.
After the War, several Acts of Parliament were passed relating to summer time. Eventually, in 1925, it was enacted that summer time should begin on the day following the third Saturday in April (or one week earlier if that day was Easter Day). The date for closing of summer time was fixed for the day after the first Saturday in October.
The energy saving benefits of this were recognized during World War II, when clocks were put two hours ahead of GMT during the Summer. This became known as Double Summer Time. During the war, clocks remained one hour ahead of GMT throughout the winter.
New question: Who cares?
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