What is the Autumnal Equinox? The autumnal equinox is the beginning of autumn?

What is the Autumnal Equinox? The autumnal equinox is the beginning of autumn?
The Autumnal Equinox also has certain rules and explanations. So, let’s take a look at what solar term the Autumnal Equinox is. The autumnal equinox is the beginning of autumn? The weather gradually gets cooler in the eighth month of the lunar calendar, the autumn breeze brings a refreshing coolness, and the sweet-scented osmanthus fills the air. Mr. Shui Mo website has carefully compiled detailed information about the eighth month of the lunar calendar in 2020 (9.17-10.16). If you need to know more, please follow Mr. Shui Mo website!

What is the Autumnal Equinox?

The Autumnal Equinox is one of the 24 solar terms.
The Autumnal Equinox is the sixteenth solar term among the twenty-four solar terms, and usually falls on September 22-24 of the Gregorian calendar every year. On the day of the autumnal equinox, the sun reaches 180° of ecliptic longitude (the autumnal equinox point), almost directly shining on the Earth's equator, and the day and night are equal in length everywhere in the world (not considering the refraction of sunlight by the atmosphere and the twilight shadows). In ancient times, there were folk activities of "worshiping the sun in spring and worshiping the moon in autumn". The Autumnal Equinox was once the traditional "Moon Worship Festival" (Mid-Autumn Festival), which evolved from the Moon Worship Festival on Autumn Eve.
After the autumnal equinox, the sun's direct point continues to move from the equator to the southern hemisphere, and the days begin to become shorter and the nights longer in all parts of the northern hemisphere, that is, the day begins to be shorter than the night within a day; the opposite is true in the southern hemisphere. Therefore, the autumnal equinox is also called the autumnal equinox. At the North and South Poles, on the day of the autumnal equinox, the sun stays above the horizon all day. After that, as the sun's direct point continues to move south, a six-month polar night begins near the North Pole, gradually expanding and then shrinking in scope; a six-month polar day begins near the South Pole, gradually expanding and then shrinking in scope.

The autumnal equinox is the beginning of autumn?

Yes, the autumnal equinox also marks the beginning of autumn.
The Autumnal Equinox marks the true beginning of autumn. As the time when day and night are equal, people should also follow the law of yin and yang balance in their health preservation, so that the body maintains the principle of "yin and yang balance". As stated in "Su Wen Zhi Zhen Yao Da Lun": "Carefully observe the location of yin and yang, and aim for balance", there should be no bias in the location of yin and yang.
Therefore, the autumnal equinox is also the beginning of autumn.

How long will it be hot after the autumnal equinox?

In fact, except for the coastal areas, the temperature in most areas is relatively comfortable during the Autumnal Equinox, especially in the central region.
The Autumnal Equinox marks the end of the hot summer and the autumn heat. The sun moves from the southern hemisphere to the northern hemisphere, and the weather officially starts to turn cooler, entering the period of clear and crisp autumn. At this time, people in most areas will feel that the temperature is neither high nor low, but very comfortable.

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