結果 : when did daylight savings begin in us
6:30

Daylight Saving Time Explained

CGP Grey
11,684,277 回視聴 - 13 年前
1:56

Daylight Saving Time 2020: The History of Daylight Saving in the U.S. & More

Scripps News Life
6,793 回視聴 - 5 年前
1:13

What is Daylight Saving Time?

CNN 10
15,813 回視聴 - 6 か月前
13:45

DAYLIGHT saving time in the UNITED STATES - WikiVidi Documentary

WikiVidi Documentaries
245 回視聴 - 7 年前
3:56

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

CBS Boston
22,852 回視聴 - 2 年前

-
1:06

How Daylight Saving Time started in U.S.

KCRA 3
585 回視聴 - 8 年前
0:36

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

Today In History
26 回視聴 - 8 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
504,358 回視聴 - 9 年前
1:11

When did daylight savings start in the US?

Ask About Wellness & Tech
15 回視聴 - 4 年前
1:48

Congress considers an end to daylight saving time

ABC News
25,082 回視聴 - 5 か月前
2:31

Learn American Holidays - Daylight Saving Time begins

Learn English with EnglishClass101.com
14,818 回視聴 - 11 年前
0:33

When Is Daylight Savings In Usa 2023

Secret Knowledge on Earth
66 回視聴 - 2 年前
3:06

Daylight saving time: Americans to adjust clocks Sunday | Morning in America

NewsNation
1,495 回視聴 - 2 年前
2:03

Daylight saving time in the United States

Amit Duggal
13,273 回視聴 - 2 年前
0:20

夏時間?(説明)

Trinks
41,630 回視聴 - 1 年前
4:13

Daylight Saving Time is coming: Why some states want to make the change permanent

WFMY News 2
636 回視聴 - 2 年前
0:39

US tried permanent Daylight Saving Time in 1973

NEWS CENTER Maine
648 回視聴 - 2 年前
1:01

Should the US have permanent Daylight Saving Time? Connect the Dots

WCNC
1,381 回視聴 - 4 年前
2:24

State lawmakers to urge US Congress to make Daylight Saving Time permanent

FOX43 News
699 回視聴 - 4 年前
1:54

No, daylight saving time does not significantly save electricity in the US

10 Tampa Bay
256 回視聴 - 3 年前