What does beginning of autumn mean? Explain briefly.

Beginning of autumn means that summer will cool down and autumn will begin.

Beginning of autumn is the thirteenth of the twenty-four solar terms, and it is the beginning of autumn. The bucket refers to the southwest, and the sun reaches the longitude of 135, and it is celebrated on August 7 or 8 of the Gregorian calendar every year. "Reason" means the beginning; "Autumn" means that the grain is ripe. The change of the whole nature is a step-by-step process, and beginning of autumn is a turning point in which the Yang gradually closes, the Yin gradually grows, and the Yang gradually gets cloudy. In nature, everything begins to mature from luxuriance.

Beginning of autumn is the third hot solar term among the 24 solar terms, second only to Daxia and Xiaoxia. According to the order of solar terms, beginning of autumn is followed by summer, and autumn is the second solar term "Summer comes" (the last summer).

Twenty-four solar terms include "three summers" (little summer, big summer and midsummer), and there is a "beginning of autumn" solar term in the middle of the "three summers", followed by summer (last summer) after beginning of autumn. "Three Summers" and "Dog Days" both represent hot and humid weather, and "Dog Days" involve four solar terms: Little Summer, Big Summer, beginning of autumn and Early Summer. Among the 24 solar terms, the days in summer are longer.

Beginning of autumn means precipitation, humidity, etc. It is at the turning point of the year and tends to decrease or decline. Since beginning of autumn, the sun be the spirit gradually closed, and everything was restrained. Beginning of autumn, beginning of spring, long summer and beginning of winter, also known as the "Four Estates", are also one of the "Four Seasons and Eight Festivals" in ancient times. Autumn is the season of grain ripening and harvest. At the beginning of autumn, there was a custom of offering sacrifices to the land gods and celebrating the harvest in ancient times. There are also customs such as "pasting autumn fat" and "biting autumn".

Meteorological change

Beginning of autumn doesn't mean the end of hot weather, and there is a summer solar term after beginning of autumn. Beginning of autumn is still in midsummer, but it hasn't come out yet. The second solar term came out in autumn, and it was still very hot in early autumn. As the saying goes, "heat is in the dog days". According to the calculation method of "dog days", beginning of autumn is still in the dog days from summer to summer, which involves four solar terms: summer, beginning of autumn and long summer.

Autumn means rainfall, humidity, etc. It is at the turning point of the year and tends to decline or decrease. Seasonal changes, rainfall, dry and wet changes in southern China are obvious;

In the north, the obvious change is the temperature. After entering autumn, in nature, the qi of Yin and Yang began to change, everything began to grow from lush to bleak, and the climate began to transition from rainy and humid in summer to dry and rainy in autumn. Beginning of autumn indicates the beginning of seasonal changes, but it doesn't mean that the temperature will drop immediately. The last one of "Sanfu" is after the solar term in beginning of autumn.