結果 : what year did daylight savings time start in the united states
6:30

Daylight Saving Time Explained

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DAYLIGHT saving time in the UNITED STATES - WikiVidi Documentary

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Daylight Saving Time in the United States : What time do?

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what time does the time change Daylight Saving Time 2024 in the United States

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Do you know the true origin story of 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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How Daylight Saving Time started in U.S.

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How Did Daylight Saving Time Start?

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Daylight savings time starts right now #daylightsavings #timechange #springforward #foryou

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Daylight Saving Time 101 | National Geographic

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Daylight Saving Time In The United States

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What is Daylight Saving Time?

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

PBS NewsHour
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US tried permanent Daylight Saving Time in 1973

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Daylight Saving Time 2025: When Do Clocks Change? | Time Change Explained ⏰🌞

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WTF is daylight saving time??

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Daylight Savings Time for Kids

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夏時間?(説明)

Trinks
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Congress considers an end to daylight saving time

ABC News
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The History of Daylight Saving Time #dst #america #time #facts

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10 回視聴 - 2 年前