The harvest moon is the full moon that occurs closest to the autumnal equinox.

丰收月是最接近秋分的满月。

Yesterday was officially the autumnal equinox in the northern hemisphere, and the vernal or Spring equinox in the southern one.

昨天是北半球的秋分，南半球的春分。

It's time to say goodbye to summertime because today is officially the first day of fall, also called autumnal equinox.

到了和夏季说再见的时候，因为秋季从今天正式开始，今天也被称为秋分。

Happening on September 22nd this year, the autumnal equinox marks the first day of fall for those living above the equator.

今年的9月22日就是秋分了，标志着赤道以北地区进入秋季。

In September there is what we call the " autumnal equinox."

九月是我们所说的“秋分” 。

During the vernal and autumnal equinoxes, the sun is directly over the equator, so day and night are considered to be the same length.

在春分和秋分期间，太阳直射赤道，因此白昼和黑夜有着相同的长度。

Or, as we say north of the equator, happy autumnal equinox!

或者，正如我们所说的赤道以北，秋分快乐！

The Chinese farmers' harvest festival was initiated in 2018. It coincides with the autumnal equinox and usually falls during the country's agricultural harvest season.

中国农民丰收节于 2018 年设立，于秋分之日开启，这一节气通常是我国农业收获的季节。

At the time, the autumnal equinox was in Libra, so the name was fitting for a time where night and day were equal in length.

当时，秋分点在天秤座，所以这个名字很适合昼夜等长的时间。

A vernal and autumnal equinoxes or spring and fall equinoxes are when day and night are all equal all over the world.

春分和秋分或春分和秋分是全世界白天和黑夜都相等的时候。

The " fall equinox, " or " autumnal equinox, " is when the opposite happens: when the day starts to become shorter, the amount of light – the hours that you have of daylight – become shorter or fewer, and the nights become longer.

“秋分” 或“秋分”是相反的情况：当白天开始变短时，光照量——白天的时间——变短或变少， 而夜晚变长。