結果 : why do we observe daylight savings time
6:30

Daylight Saving Time Explained

CGP Grey
11,384,328 回視聴 - 13 年前
2:20

Daylight Saving Time 101 | National Geographic

National Geographic
472,613 回視聴 - 9 年前
8:43

Neil deGrasse Tyson Explains Daylight Saving Time

StarTalk
647,955 回視聴 - 3 年前
19:24

Real Reason Why We Use Daylight Savings Time

The Infographics Show
270,831 回視聴 - 2 年前

-
2:34

Why We Have Daylight Saving Time

Seeker
190,154 回視聴 - 11 年前
2:41

Why Do We Have Daylight Saving Time? | COLOSSAL QUESTIONS

Colossal Cranium
959,000 回視聴 - 6 年前
7:31

Why do we have daylight saving time?

Mystery Science
66,576 回視聴 - 9 か月前

-
1:31

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

TED
177,206 回視聴 - 3 年前
2:41

New Arkansas bill working to eliminate daylight saving time

THV11
570 回視聴 - 18 時間前
2:54

Daylight savings explained: Why do we adjust our clocks

NBC News
14,114 回視聴 - 9 か月前
3:19

Daylight Saving Time 101 | National Geographic

National Geographic
453,212 回視聴 - 5 年前
6:13

What is Daylight Saving Time? | CNBC Explains

CNBC International
126,239 回視聴 - 3 年前
1:43

What Neil Thinks About Daylight Saving Time | StarTalk

National Geographic
64,415 回視聴 - 8 年前
5:46

Why do we observe Daylight Saving Time?

East Idaho News
1,064 回視聴 - 3 年前
3:56

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

CBS Boston
19,644 回視聴 - 2 年前
10:23

Why Does America Observe Daylight Saving Time?

Lost in the Pond
29,849 回視聴 - 5 年前
13:01

Fixing Daylight Saving Time Is THIS Easy

Be Smart
1,269,557 回視聴 - 4 年前
3:16

Why we still have daylight saving time

ABC 10 News
3,765 回視聴 - 3 年前
7:33

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

PBS NewsHour
398,586 回視聴 - 2 年前
2:18

The case for getting rid of daylight-saving time

Business Insider
105,538 回視聴 - 8 年前