結果 : what is the purpose of daylight savings time change
6:30

Daylight Saving Time Explained

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Daylight Saving Time 101 | National Geographic

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Fixing Daylight Saving Time Is THIS Easy

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Neil deGrasse Tyson Explains Daylight Saving Time

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2:18

The case for getting rid of daylight-saving time

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

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Donald Trump vows to end daylight saving time

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1:43

What Neil Thinks About Daylight Saving Time | StarTalk

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Real Reason Why We Use Daylight Savings Time

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How daylight saving time affects our bodies, minds -- and world | Sleeping with Science

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

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What is Daylight Saving Time? | CNBC Explains

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

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Trump wants to end Daylight Saving Time permanently

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Will Trump END Daylight Savings Time? — THIS Would Change for You!

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Push to end daylight saving time gets help from the President-elect

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Daylight savings explained: Why do we adjust our clocks

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Why Experts Say Permanent Daylight Saving Time is Unhealthy

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Daylight Saving Time - How Is This Still A Thing?: Last Week Tonight with John Oliver (HBO)

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