結果 : what is the purpose of leap day
2:38

Leap years and why we need them - BBC News

BBC News
277,085 回視聴 - 4 年前
3:22

The Leap Year as Explained by Neil deGrasse Tyson | StarTalk

National Geographic
347,519 回視聴 - 8 年前
8:41

Why Do We Have LEAP YEARS? | What Is A LEAP YEAR? | The Dr Binocs Show | Peekaboo Kidz

Peekaboo Kidz
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3:59

What is a Leap Year?

CGP Grey
5,358,321 回視聴 - 12 年前
6:21

Leap Year for Kids

Homeschool Pop
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12:43

Neil deGrasse Tyson Explains Why We Have Leap Days

StarTalk
562,393 回視聴 - 7 か月前
2:31

Things you probably didn’t know about leap day

ABC News
62,568 回視聴 - 4 年前
2:30

Leap Day explained

CityNews
3,876 回視聴 - 4 年前
2:12

Why do we need Leap Day?

WFMY News 2
491 回視聴 - 4 年前

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12:00

Leap Day Facts for Kids | All About 29th February

Hey! Guess What
49,962 回視聴 - 4 年前
0:47

Why is there a leap day? The Purpose Behind February 29th

This World Is Random
1 回視聴 - 3 週間前

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51:27

EXPLAINER: The reason for Leap Day

KRGV
47 回視聴 - 6 か月前
3:50

The leap year explained (and why we add an extra day) | CBC Kids News

CBC Kids News
27,567 回視聴 - 7 か月前
3:07

Leap Day: How does it work and why do we do it?

WVUE FOX 8 New Orleans
320 回視聴 - 7 か月前
0:57

Neil deGrasse Tyson - Calendar and Leap Day | Joe Rogan Podcast

CC Knowledge
936 回視聴 - 1 年前
1:28

What is a leap year? Here's the science behind the extra day | JUST CURIOUS

USA TODAY
6,568 回視聴 - 7 か月前
1:55

How leap year works

Vox
451,229 回視聴 - 8 年前
13:21

10 Historical Events That Happened on Leap Day

WatchMojo.com
90,175 回視聴 - 7 か月前
0:29

Leap day Meaning

SDictionary
791 回視聴 - 9 年前
0:42

The FIRST YouTube Video Made On A LEAP DAY! (February 29th!)

Timeworks
21,219 回視聴 - 1 年前