結果 : do we need daylight savings time
8:43

Neil deGrasse Tyson Explains Daylight Saving Time

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Daylight Saving Time Explained

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Why Do We Have Daylight Saving Time? | COLOSSAL QUESTIONS

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3:19

Daylight Saving Time 101 | National Geographic

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Do we need Daylight Saving Time?

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サマータイム入門 | ナショナルジオグラフィック

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5:17

Daylight Savings Time for Kids

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29:40

Watch Live: Beyond the Forecast | Daylight Saving Time Changes

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1:39

Daylight Saving Time ⏰ Why Do The Clocks Change? | Newsround

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8:42

Why do we change the clocks? - BBC News

BBC News
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1:31

Why we have Daylight Saving Time

CNN
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0:52

Why do we have Daylight Saving Time? | Go Binge (2018) | Three

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Real Reason Why We Use Daylight Savings Time

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Why We Have Daylight Saving Time

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3:56

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

CBS Boston
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Connect The Dots: Do we really need Daylight Saving Time?

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1:31

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

TED
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Why do we have daylight saving time?

Tufts University
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Can Daylight Savings Time Affect My Health?

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