2018年11月5日「モバイル英語学習」第574号(英語のエッセイ): Daylight Saving Time is 100 Years Old

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Daylight Saving Time 夏時間;
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Daylight Saving Time is 100 years old this year. It started in the U.S. in 1918. Clocks were moved forward one hour in March so that the sun would come up later and the evenings would stay light longer. This helped to save energy because people didn’t need to use lights in the early evening. Every November, they changed their clocks back. This year, that change came yesterday. Many people now believe that Daylight Saving Time is no longer necessary. It doesn’t save energy because people drive around more. Also, people’s bodies and brains have trouble getting used to the time change. (by Prof. Douglas Jarrell)
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