What is the difference between beginning of autumn and the autumnal equinox? Isn't it hot in early autumn?

The calendar shows that the solar term in beginning of autumn is coming. Speaking of which, I don't know much about this solar term in beginning of autumn. Beginning of autumn season is autumn, and there is a solar term called the autumnal equinox. What is the difference between beginning of autumn and the autumnal equinox? Let's take a look!

Different times

Beginning of Autumn

The solar terms in beginning of autumn coincide on August 7th or 8th of the Gregorian calendar every year. During the beginning of autumn solar term, the sun will move to the position of longitude 135. Beginning of autumn solar terms mark the formal establishment of autumn. When it comes to beginning of autumn solar terms, it can be called autumn.

Autumn Equinox

The autumnal equinox solar term is celebrated on September 22-24 of the Gregorian calendar every year. The solar terms of the autumnal equinox and the vernal equinox are opposite, and both are solar terms that divide the seasons equally. The position of the sun is 0 at the vernal equinox and180 at the autumnal equinox. The sun will shine directly at the equator in these two days, and the length of day and night is equal in most parts of the world.

Have different meanings.

Beginning of Autumn

The solar term in beginning of autumn means the official start of autumn.

Beginning of autumn is the first solar term in autumn among the 24 solar terms. Speaking of beginning of autumn, it means the official start of early autumn. Although the temperature in beginning of autumn is relatively hot, similar to that in summer, it will gradually decrease, from hot to cold and from cold to cold. Therefore, beginning of autumn is also a transitional solar term among the 24 solar terms.

Autumn Equinox

The autumnal equinox means to divide autumn equally, and by the autumnal equinox, it will be late autumn.

The autumnal equinox is the fourth solar term in autumn. Speaking of the autumnal equinox solar terms, most parts of China have begun to enter the late autumn. During the solar terms of the autumnal equinox, the sun will revolve to the position of longitude 180. At this time, day and night are equal, and then it will be late autumn, and beginning of winter will have several solar terms.

Different climatic characteristics

Beginning of Autumn

It is still very hot during the solar term in beginning of autumn.

The solar term in beginning of autumn, which has not yet come out in the dog days, is the highest temperature in the whole year. At this time, the temperature is high and the heat is unbearable. In some years, there are autumn tigers behind beginning of autumn. When encountering autumn tigers, the temperature in some cities can reach above 40, which is very hot.

Autumn Equinox

When the autumnal equinox is in solar terms, it is already a cool weather in autumn wind.

The autumnal equinox solar term is located in late autumn, when the air is crisp in autumn, the osmanthus fragrance is fragrant and the temperature is relatively comfortable. As the saying goes, "an autumn rain and a cold" refers to the autumnal equinox solar terms, with moderate temperature. Generally speaking, as long as it rains in the autumnal equinox, the surface and somatosensory temperatures will decrease.

Different positions of solar terms

Beginning of Autumn

Beginning of autumn solar term is the 13 solar term among the 24 traditional solar terms in China.

Beginning of autumn solar term is also the first solar term in autumn. By the solar term in beginning of autumn, the flowers and trees have turned yellow, and the "phoenix tree leaves fall, and the world knows autumn" gradually enters the warm and dry autumn.

Autumn Equinox

The autumnal equinox is the16th solar term among the traditional 24 solar terms in China.

The autumnal equinox is an important solar term in autumn, which means to divide autumn equally. The autumnal equinox is the 30th day of autumn. At the autumnal equinox, day and night are divided equally, each accounting for 12 hour. There is no extreme day and night in the world.

Isn't it hot in early autumn?

After beginning of autumn, the weather will continue to be hot for some time.

Beginning of autumn is the first solar term in autumn. After entering the solar terms in beginning of autumn, we can only say that we have entered the seasonal autumn. However, as far as climate is concerned, the temperature in early autumn is still hot. Generally speaking, after the Millennium solar term in beginning of autumn, it will gradually get cold after one month.