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什么是闰年

What is a Leap Year?

Welcome to I Am Your Target Demographic
欢迎来到“我就是你想要找的人”
and today we’re discussing leap years.
今天我们要讨论的是闰年
2020 is a Leap Year,
2020就是闰年
so I thought now would be a good time to explain what this means and why we do this.
正好适合解释闰年和我们为什么要做这个
We’ll also touch on people born on a leap year
我们将会谈到闰年出生的人们
and the consequences of only having a traditional birthday every four years!
以及他们四年才能过一次生日的影响
So, what is a leap year?
那么 什么是闰年
Let’s zoom out literally and look at the Earth and its rotations and its orbiting the sun
让我们画面拉远 关注地球及其自转
and how we perceive the passage of time.
地球绕日公转以及时间流逝的方式
This doesn’t exactly line up with the calendar that most of the world uses,
行星运行周期与世界最常用的日历并不是完全同步
the Gregorian calendar introduced by Pope Gregory the 13th in 1582,
格里历是1582年教皇格里高利十三世发明的
which corrected some issues with the Julian calendar, created under the reign of Julius Caesar.
它纠正了尤里乌斯•凯撒统治时期创造的儒略历法
If we had the same number of days in every year, we would eventually shift in one direction.
如果每年的天数一样 我们的日子就会一直偏移
And it would eventually throw everything out of whack,
最后全都乱套
each year shifting about six hours.
每年都会少将近6个小时的时间
If left to its own devices,
要是任其发展
this would mean we would slowly drift further and further away from the seasonal equinoxes
那就意味着我们的季节性分点会慢慢漂移得越来越远
and other holidays strictly related to when astronomical events occur.
节假日完全取决于天文现象
So the addition of a leap year was done to
所以 闰年多出一天
primarily keep the vernal equinox around the same time,
主要是确保春分点在同一个时间点
which would keep the Easter holiday in the same time range.
从而保证复活节放假时间不变
So to compensate for this, every four years,
为了弥补这一点
an additional day was added to the calendar,
每隔四年日历上就会多加一天
an additional 24 hours that would make up
多出来的24个小时正好补上
for the four years of six-hour offset.
四年中每一年6个小时的偏离
Every four years, the shortest month of the year February receives an additional date,
每过四年 一年中最短的二月就会多一天
gaining the date of February 29th.
2月29号由此产生
Now, to make this even more complicated,
再准确一点来说
doing this shift every four years all the time
如果每过四年都转变一次
would eventually overcompensate
这将会补偿过度
so we skip a leap year sometimes.
所以我们有时会跳过闰年
For example, the year 2000 was a leap year, like normal,
比如 2000年就是闰年
but the year 2100 won’t be,
而2100年却不是
to help us get back on track.
这是为了保证日历同步行星运转
There’s an algorithm for which years are and aren’t leap years
这里有一种算法来确定闰年
but that’s maybe a little deeper than we need to go.
但这似乎比我们想象的要难
You can pause and evaluate this algorithm, if your heart really desires.
如果你真想判断的话 你可以暂停研究算法
There are places and cultures that use other calendars, not the Gregorian,
有些地方和文化使用的是别的历法 而不是格里历
and they each have unique ways to track these differences and make up for the difference.
这些历法都有独特的方法来发现并弥补这差异
Every four years, on the leap year, people are born.
要是有人出生在4年一遇的闰年
So what happens, since February 29th won’t occur again for four years?
那4年内2月29号都不会再出现 这该什么办
Most people celebrate their birthday on the 28th or March 1st, on either side.
大多数人就选择在2月28日或者3月1日过生日
In terms of what legally happens, you’ll need to look into your country’s or state’s or city’s laws
要是追求法定日期 你就需要了解你的国家 所在州或城市的法律
to find out if there’s a definitive answer on which of the two dates is correct.
找到是否有确切日期 来判断这两个日期哪个正确
Who are some of the most famous Leapers?
闰年月出生的名人都有些谁?
Let’s look.
让我们一起看看吧
It’s incredibly rare to be born on this day, so the list is small.
出生在这一天的人非常非常少 所以名单人数不多
We’ve got rapper Ja Rule ,
说唱明星杰•鲁
the actor Antonio Sabato Jr,
演员安东尼奥•萨拉托加小
and from Law and Order SVU, Peter Scanavino.
和演过《法律与秩序:特殊受害者》的皮特•斯卡纳维诺
In comic book lore, it’s also stated that Superman, while born on the planet Krypton,
在漫画里 值得一提的是超人 他出生于氪星
was born on the day that would have translated to February 29th here on Earth.
出生的那天正好是地球上的2月29日
This was an old reference and some writers have done away with that tidbit and rewritten his birthday,
这还是老版本 一些作家已经做了修改 重写了他的生日
but I thought it was a nice touch.
但我认为原版就是一个不错的想法
If you were born on a Leap Year, there’s a way to find others just like you,
如果你出生在闰年
by checking out the Honor Society of Leap Year Day Babies, with over 10,000 members.
你可以在超过一万个成员的闰年婴儿荣誉社找到像你一样的伙伴
Sound off in the comments if you’re a Leap Year Baby or know someone who is.
如果你是闰年宝宝或者知道有谁是 请在评论里吱一声
They’ve got a birthday coming up and we’d love to share in the excitement.
他们的生日快到了 我们很乐意分享这份激动
Share this video with your friends as we get close to February
二月临近 与你的朋友分享这个视频吧
and subscribe for more interesting tidbits just like this!
请订阅更多像这样的有趣内容吧
Thanks for watching!
谢谢观看

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视频概述

这篇文章讲了闰年的产生背景,闰月出生的人们以及闰月对人们的影响

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视频来源

https://www.youtube.com/watch?v=BHa2NPHWSac

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