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結果 : why did we switch to daylight savings time
2:20

Daylight Saving Time 101 | National Geographic

National Geographic
472,533 回視聴 - 9 年前
6:30

Daylight Saving Time Explained

CGP Grey
11,383,541 回視聴 - 13 年前
4:52

Daylight Saving Time: Why do we change our clocks?

Global News
129,552 回視聴 - 5 年前
7:31

Why do we have daylight saving time?

Mystery Science
66,516 回視聴 - 9 か月前
13:01

Fixing Daylight Saving Time Is THIS Easy

Be Smart
1,269,390 回視聴 - 4 年前

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1:00

THIS is why Daylight Savings exists?!

StarTalk
878,782 回視聴 - 2 年前
8:43

Neil deGrasse Tyson Explains Daylight Saving Time

StarTalk
647,678 回視聴 - 3 年前
2:18

The case for getting rid of daylight-saving time

Business Insider
104,178 回視聴 - 8 年前

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19:24

Real Reason Why We Use Daylight Savings Time

The Infographics Show
270,805 回視聴 - 2 年前
2:23

Daylight Saving Time: What would change if we stopped changing the clocks?

News 8 WROC
7,326 回視聴 - 9 か月前
2:54

Daylight savings explained: Why do we adjust our clocks

NBC News
14,112 回視聴 - 9 か月前
1:43

What Neil Thinks About Daylight Saving Time | StarTalk

National Geographic
64,308 回視聴 - 8 年前
2:07

Donald Trump vows to end daylight saving time

NBC News
151,316 回視聴 - 2 週間前
2:01

Good Question: Why do we change the clocks on Daylight Saving Time?

WBTV News - Charlotte
211 回視聴 - 3 年前
8:42

Why do we change the clocks? - BBC News

BBC News
101,851 回視聴 - 6 年前
2:41

Why Do We Have Daylight Saving Time? | COLOSSAL QUESTIONS

Colossal Cranium
958,968 回視聴 - 6 年前
1:41

Let Me Explain: Permanent Daylight Saving vs. Standard Time | NBCLA

NBCLA
21,526 回視聴 - 1 年前
3:16

Why we still have daylight saving time

ABC 10 News
3,763 回視聴 - 3 年前
1:31

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

TED
177,194 回視聴 - 3 年前
7:33

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

PBS NewsHour
398,569 回視聴 - 2 年前