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結果 : why did we go to daylight savings time
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Daylight Saving Time Explained

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19:24

Real Reason Why We Use Daylight Savings Time

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3:56

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

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7:31

Why do we have daylight saving time?

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Why Do We Have Daylight Saving Time? | COLOSSAL QUESTIONS

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

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Daylight Saving Time: Why do we change our clocks?

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Daylight savings explained: Why do we adjust our clocks

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13:01

Fixing Daylight Saving Time Is THIS Easy

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Daylight Saving Time 101 | National Geographic

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

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11:49

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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8:42

Why do we change the clocks? - BBC News

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