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

四月有食，是闰。

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

二月仅有二十八天。 除了在闰， 余下的月份均有三十一天。

All right, so 2024 is a leap year.

2024是闰。

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.

闰或闰之所以出现，是因为我们的历并不完全按照绕太阳的轨道运行。

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.

根据尔兰传统，在有366天的闰，女性可以向男性求婚，而平则要反过来。

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.

因此，每四一次的闰，火星几乎是的两倍，即 687 个，或转换为火星 669。

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

他想重新划分历，划分的方法几乎跟我们天的一样，用12个月和闰。

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

因此闰那一天出生的人们会在这样的实际期庆祝自己的生。

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

去是闰，所以的第一季度相对去来说要短一些。

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

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是闰）。

Looking at you here, leap years.

看下历，2020闰。

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

在闰，期会跳过一周中的一天。

So, that's how leap years work.

所以，这就是闰的机制啦。

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

谁提出了闰，为什么我们有闰呢？

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

格里高利还把2月29确定为闰的官方期。

And there is some interesting history associated with leap years.

有关闰还有一些有趣的历史。

It is called a leap year because hundreds of years ago in England, the extra day wasn't legally recognised.

在几百前的英国，多出来的这一天并未得到法律认可。

Well, those who were born in the leap year on February 29th will actually get to celebrate their birthdays on the 29th instead of on February 28th or March 1st.

那些在闰2月29出生的人能在29当天庆祝生了，不必再在2月28或3月1庆生。

Some people believe that it should be an official day off, because no one gets paid extra for working an extra day in a leap year.

有些人相信这一天应该成为你正式休息，因为没有人在闰多出来的这一天收到额外的工作酬劳。