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

四月有日食，今年又是闰年。

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

二月仅有二十八。 除了闰年， 余下的月份均有三十一。

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，是因为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.

根据尔兰传统，有366的闰年，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13世纪被列入法条当中。苏格兰通过了允许闰年向男求婚的法律。

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，或转换为火星日 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的一样，用12个月和闰年。

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

因此闰年那一出的人们会这样的实际日期庆祝自己的日。

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

Looking at you here, leap years.

看下日历，2020闰年。

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

闰年，日期会跳过一周中的一。

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，为什么我们有闰年呢？

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

格里高利还把2月29日确定为闰年的官方日期。

And there is some interesting history associated with leap years.

有关闰年还有一些有趣的历史。

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

几百年前的英国，多出来的这一并未得到法律认可。

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.

那些闰年2月29日出的人能29日当庆祝日了，不必再2月28日或3月1日庆。

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.

有些人相信这一应该成为你正式休息日，因为没有人闰年多出来的这一收到额外的工作酬劳。