結果 : time zone history definition
3:12

Geography Lesson: Time Zones Explained | Twig

Twig Science Reporter
724,697 回視聴 - 12 年前
3:20

When Did Time Zones Become a Thing? (Short Animated Documentary)

History Matters
901,198 回視聴 - 4 年前
3:35

How did trains standardize time in the United States? - William Heuisler

TED-Ed
233,899 回視聴 - 11 年前
6:34

Time Zones for Kids | Learn about the time zones of the world.

Learn Bright
151,356 回視聴 - 3 年前
1:20

Why do we have different time zones? | #aumsum #kids #science #education #children

It's AumSum Time
408,928 回視聴 - 6 年前
6:14

A Brief History Of (Keeping) Time

Be Smart
960,368 回視聴 - 7 年前
6:30

Daylight Saving Time Explained

CGP Grey
11,388,034 回視聴 - 13 年前
3:48

The history of keeping time - Karen Mensing

TED-Ed
244,990 回視聴 - 12 年前
17:52

Definitions and Good Old-Fashioned AI

Stanford Law School
6 回視聴 - 2 時間前
5:49

What Are Latitude & Longitude? | Locating Places On Earth | The Dr Binocs Show | Peekaboo Kidz

Peekaboo Kidz
1,975,383 回視聴 - 2 年前
5:47

Who decides how long a second is? - John Kitching

TED-Ed
2,369,400 回視聴 - 3 年前
4:35

What is GMT?

Times Ticking
71,798 回視聴 - 5 年前
17:21

Why Do We Have Time Zones?

Mr. Beat
112,152 回視聴 - 3 年前
2:20

Daylight Saving Time 101 | National Geographic

National Geographic
473,059 回視聴 - 9 年前
16:07

The International Date Line, Explained

Johnny Harris
3,021,428 回視聴 - 4 年前
6:34

Eastern/Central Time Zone Boundary History

Hoosiers for Eastern Time
3,341 回視聴 - 6 年前
13:47

History of Time Zone – Concept of (GMT) Time Zone & Pakistan Standard Time - Urdu / Hindi

Maktab Media Urdu
16,996 回視聴 - 4 年前
4:25

Time Zone in Hindi | GMT time zone | time zones.gmt time zone geography.GMT

The Amazing KNOWLEDGE
138,890 回視聴 - 4 年前
1:03

What is GMT or Greenwich Mean Time?

Mr. Middleton
6,341 回視聴 - 5 年前
8:35

What If... Time zones didn't exist? | What If

WIRED UK
26,628 回視聴 - 4 年前