Taboo in beginning of autumn is before 1 day and after 1 day.

On the first 1 day, beginning of autumn was forbidden to do great things and go out of the city. On the second 1 day, he was forbidden to walk in the fields and show rainbows.

Taboo to do great things: Because the day before beginning of autumn is one of the four holy days, and the four holy days are an evil day. For China people, when doing great things, they will definitely choose auspicious days, which will be more auspicious. As an unlucky day, it is natural to choose the date of the event, so moving, getting married, breaking ground, building houses and other events are not suitable for the day before beginning of autumn.

Taboo to travel far away: There is a folk saying that it is not far from home when the sun goes down, and people don't get married when it goes down, which means it is not suitable for traveling far away and getting married. Because the ancients thought that the absence of four days was an unlucky day and everything went wrong, it was taboo to travel far on this day, otherwise you might encounter an accident.

Avoid walking in the fields: In the past, people were afraid to walk in the fields that day in beginning of autumn, which was thought to be detrimental to the autumn harvest.

Avoid rainbows: In Shandong Ping, Jiangxi Nanchang, Jiangsu Changshu and other places, it is forbidden to see rainbows in beginning of autumn season, which is considered by local people as a sign that grain production will be reduced.

Phenological phenomena in early autumn

Some ancient literary works in China divide beginning of autumn into three periods: one is waiting for the cool breeze; Second, wait for the white deer to be born; Three are waiting for cicadas to sing. This means that after beginning of autumn, people will feel cool when it is windy, and the wind at this time is different from the hot air in summer; Then, there will be fog on the ground in the morning, and cicadas will begin to sing in autumn when they feel gloomy.

In fact, in most parts of China, it is still a hot dog days from autumn to summer, and there is no cool wind, dew and cold in these dog days. According to the ranking of the 24 solar terms, there is a solar term for summer after beginning of autumn, which means summer, but it hasn't happened in beginning of autumn. The so-called heat is in dog days, which involves four solar terms: slight summer heat, great summer heat, beginning of autumn summer heat and Chu summer heat, and is the period with the highest temperature, humidity and sultry heat in a year.