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結果 : why was daylight savings time started in the us
6:30

Daylight Saving Time Explained

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Daylight Saving Time 101 | National Geographic

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Do you know the true origin story of daylight saving time?

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The history of daylight saving time and its effect on our health

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What is Daylight Saving Time? | CNBC Explains

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2:18

The case for getting rid of daylight-saving time

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Fixing Daylight Saving Time Is THIS Easy

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Daylight Saving Time 101 | National Geographic

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Daylight Saving Time 2020: The History of Daylight Saving in the U.S. & More

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What Neil Thinks About Daylight Saving Time | StarTalk

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How Daylight Saving Time started in U.S.

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The Science of Clock Change 2: History of Daylight Saving Time

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Real Reason Why We Use Daylight Savings Time

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When is daylight saving time 2024? What it means for your clocks. | JUST CURIOUS

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The History of Daylight Saving Time

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What is the history of daylight saving time? | Climate Friday

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Neil deGrasse Tyson Explains Daylight Saving Time

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Daylight Savings Time for Kids

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The history of Daylight Saving Time

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What End of Daylight Savings Time Would Mean For Us?

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