結果 : why were standardized time zones introduced
3:35

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

TED-Ed
229,824 回視聴 - 11 年前
3:12

Geography Lesson: Time Zones Explained | Twig

Twig Science Reporter
661,637 回視聴 - 12 年前
3:20

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

History Matters
891,730 回視聴 - 4 年前
1:20

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

It's AumSum Time
393,130 回視聴 - 6 年前
5:20

Earth Science - Understanding Time Zones

Michael DiPasquale
261,262 回視聴 - 7 年前
4:17

Understanding Time Zones

Mr Gedge's Geography Channel
1,231,220 回視聴 - 11 年前
5:47

Who decides how long a second is? - John Kitching

TED-Ed
2,339,547 回視聴 - 3 年前
7:57

Standard Time Zones (1 of 3: Why do they exist?)

Eddie Woo
2,993 回視聴 - 7 年前
1:25

Dandadan episode 2 release date

WTN Anime
329 回視聴 - 1 日前

-
11:44

A History of Time Zones

The History Guy: History Deserves to Be Remembered
223,283 回視聴 - 4 年前
6:34

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

Learn Bright
134,464 回視聴 - 2 年前
6:30

Daylight Saving Time Explained

CGP Grey
10,827,408 回視聴 - 12 年前

-
10:54

Time Zones and the Coordinated Universal Time

Aviation Theory
84,947 回視聴 - 2 年前
17:21

Why Do We Have Time Zones?

Mr. Beat
110,826 回視聴 - 2 年前
6:41

Timezones Explained

Fish
42,939 回視聴 - 2 年前
2:52

Understanding Standard Time: A Guide to Time Zones

Words and Meanings Explained
7 回視聴 - 9 か月前
2:48

How do time zones work and what are time zones based on?

NBC News
264,584 回視聴 - 6 年前
2:56

Why do we have standard time ?

Studynlearn
95,857 回視聴 - 12 年前
8:12

World Time Zones Concepts Part 1

Tourism NMBD
18,957 回視聴 - 2 年前
1:23

What's the difference? EDT vs. EST

Sciestry
13,004 回視聴 - 3 年前