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結果 : why did daylight savings start
8:43

Neil deGrasse Tyson Explains Daylight Saving Time

StarTalk
675,175 回視聴 - 4 年前
6:30

Daylight Saving Time Explained

CGP Grey
11,678,407 回視聴 - 13 年前

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3:19

Daylight Saving Time 101 | National Geographic

National Geographic
466,812 回視聴 - 6 年前
7:33

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

PBS NewsHour
404,251 回視聴 - 2 年前
2:20

サマータイム入門 | ナショナルジオグラフィック

National Geographic
502,935 回視聴 - 9 年前

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1:06

Why is there Daylight Saving Time and how did it start?

11Alive
692 回視聴 - 5 年前
19:24

Real Reason Why We Use Daylight Savings Time

The Infographics Show
279,611 回視聴 - 3 年前
29:40

Watch Live: Beyond the Forecast | Daylight Saving Time Changes

WAVY TV 10
117 回視聴 - 1 日前 に配信済み
2:21

How Did Daylight Saving Time Start?

CNN 10
7,251 回視聴 - 5 年前
6:42

What Daylight Savings Does To Your Brain | Business Insider Explains | Insider News

Insider News
29,430 回視聴 - 1 年前
0:32

The problem with Daylight Savings…

Horchata Soto
2,246,424 回視聴 - 10 か月前
0:20

夏時間？（説明）

Trinks
40,255 回視聴 - 1 年前
5:17

Daylight Savings Time for Kids

Homeschool Pop
317,332 回視聴 - 7 年前
2:41

Why Do We Have Daylight Saving Time? | COLOSSAL QUESTIONS

Colossal Cranium
981,632 回視聴 - 6 年前
0:14

THE END OF DAYLIGHT SAVING TIME (this year)

Washington Post Universe
322,837 回視聴 - 10 か月前
1:30

Making a print of a clock for the beginning of Daylight Saving Time (March 9)

Sacramento History Museum
32,588 回視聴 - 5 か月前
13:01

Fixing Daylight Saving Time Is THIS Easy

Be Smart
1,306,844 回視聴 - 5 年前
7:31

Why do we have daylight saving time?

Mystery Science
84,664 回視聴 - 1 年前
2:12

Stephen Fry on the history of Daylight Saving Time - BBC iWonder

BBC
46,543 回視聴 - 10 年前
1:31

Daylight Savings: How Much Do People Know About The Twice-A-Year-Clock Shifting? | NBC Nightly News

NBC News
19,351 回視聴 - 6 年前