We have a solar eclipse taken place in April, and it's a leap year.

有日食，今年又是闰年。

February has twenty-eight alone. All the rest have thirty-one. Except in leap year.

二仅有二十八天。 除了在闰年， 余下的份均有三十一天。

After all, we all know the answer is 365-and 366 in leap years-right?

毕竟，我们都知道答案是365天，而闰年是366天，对吧？

All right, so 2024 is a leap year.

2024年是闰年。

The reason for a leap day or a leap year is because our calendar does not follow the Earth's orbit around the sun exactly.

闰日或闰年之所以出现，是我们的日历并不完全按照地球绕太阳的轨道运行。

According to Irish tradition, years with 366 days were years when women could propose to men when it was the other way around in non leap years.

根据爱尔兰传统，在有366天的闰年，女性可以向男性求婚，而平年则要反过来。

This so-called tradition was even written in law in the 13th Century. Scotland passed a law allowing women to propose to men in a leap year.

这个所谓的传统甚至在13世纪被列入法条当中。苏格兰通过了允许女士在闰年向男士求婚的法律。

Hence the leap year every four years the Mars year is nearly double that time at 687 earth days or converted to Mars days 669.

，每年一次的闰年，火星年几乎是地球年的两倍，即 687 个地球日，或转换火星日 669。

He reformed the calendar, so that it ended up being more or less like ours, with 12 months and leap years.

他想重新划分年历，划分的方法几乎跟我们今天的一样，用12个和闰年。

So, folks born on that date in a leap year will get to celebrate their birthdays on their actual birth date.

闰年那一天出生的人们会在这样的实际日期庆祝自己的生日。

Last year was a leap year, skewing the comparison of this year's shorter first quarter with last year's longer one.

去年是闰年，所以今年的第一季度相对去年来说要短一些。

To mark the start of the 366-day countdown (2012 is a leap year), special events are planned for today.

今天，人们计划举办独具特色的庆祝活动来启动伦敦奥运会366天倒计时（2012年是闰年）。

Looking at you here, leap years.

看下日历，2020闰年。

So, that's how leap years work.

所以，这就是闰年的机制啦。

Who came up with leap years and why do we have them?

谁提出了闰年，什么我们有闰年呢？

Pope Gregory also made February 29th, the official date to add during a leap year.

格里高利还把229日确定闰年的官方日期。

And there is some interesting history associated with leap years.

有关闰年还有一些有趣的历史。

According to the legend, Saint Patrick said any females yearning for a proposal could ask their boyfriend to marry them on this additional day in February.

据说于是，圣帕特里克决定允许渴望被求婚的女人在闰年的229号向男人求婚。

Leap years were believed to be difficult, and leap days unlucky and a bad time to begin anything new.

闰年被认是很艰难的一年， 而闰日是不吉利的，不是开始新事物的好时机。

In a leap year, the dates jump over one day of the week.

在闰年，日期会跳过一周中的一天。