How did Chang Xia come from? What is the origin of long summer?

Chang Xia should be familiar to everyone. Long summer is a solar term in China, the seventh of the 24 solar terms. Entering Xia Hou, the weather is getting hotter every day. At this time, it's time for Chang Xia to put on summer clothes. Everyone will have some questions about the long summer, such as the origin of the long summer and how it came about. Here, Bian Xiao will answer your questions about the origin of long summer.

How did Chang Xia come from?

The reason for the long summer comes from its arrival, which indicates the official start of summer. At this time, everything will absorb the essence of the sun and the nutrition of the earth, so it is the best time to grow, so there is the saying of long summer solar terms. There are also folk proverbs about long summer, such as "it rains in Gu Mi" and "it's not hot in long summer, and the grain will not bear fruit".

Standing is the beginning, summer is the season. Long summer is the seventh solar term in the twenty-four solar terms of the lunar calendar, and it is also the first solar term in summer. The long summer time usually falls on May 5th or 6th of the Gregorian calendar. According to the standard of climatology, when the average temperature reaches 22℃ in five days, summer begins.

Therefore, people are accustomed to regard long summer as an important solar term when the temperature rises obviously, the summer heat comes, thunderstorms increase and crops enter the peak season.

China is a vast country with a great temperature difference between north and south. Before and after the long summer, only the area south of Fuzhou-Nanling Line will really enter the summer, while some areas in the northeast and northwest just enter the spring, and the average temperature in most parts of the country is around 18-20℃.

In addition, the regional temperature difference is also large in the long summer season, and the same region fluctuates frequently. For example, in the long summer, the temperature in most parts of South China is around 20℃; However, the low-altitude valley felt hot in summer as early as mid-April, and the long summer temperature has risen above 24℃.

What is the origin of long summer?

Every year around the first day of April, when the sun reaches 45 degrees of the Yellow Meridian, it is the long summer solar term of the lunar calendar. Changxia established it at the end of the Warring States Period. "The bucket refers to the southeast, and the dimension is long in summer. Everything grows here, hence the name Long Summer. " Chang Xia said that this is the beginning of saying goodbye to spring in summer. When the temperature rises obviously, the summer heat comes, thunderstorms increase and crops enter the peak season, people are used to taking long summer as an important solar term.

Early summer

What are the customs in the long summer?

There is a custom of weighing people after lunch in the long summer. People hang a big wooden scale at the entrance of the village or platform, and a stool is hung on the scale hook. Everyone takes turns to sit on the stool and weigh people. When weighing flowers, the caller said auspicious words. The old man said, "If you want 87 Jin, you will live 91 Jin." The girl said, "105 Jin, people outside will find you."

On the long summer day, the ancient emperor would lead officials to the southern suburbs of Beijing to welcome the summer and hold a ceremony to welcome the summer. The monarch and his subjects all wear red ceremonial costumes and red jade ornaments, and even horses and car flags should be red to express their desire and good wishes for a bumper harvest. In the imperial court, "open the ice in summer and give it to the civil and military ministers." The ice was stored last winter and given to officials by the emperor. In Jiangsu and Zhejiang, people are sad and cherish spring because of the bright spring, so they prepare wine and vegetables for fun, as if they were giving people away, and call it Hunchun.

Climatic characteristics of long summer solar terms

After the long summer, Jiangnan officially entered the rainy season, and the rainfall and rainy days increased significantly. Continuous rainy days not only caused wet damage to crops. It will also cause the prevalence of many diseases. The heading and flowering period of wheat is the most susceptible period to scab. If warm but rainy weather is expected in the future, close attention should be paid to spraying chemicals from the early flowering period to the full flowering period.

Cotton in southern China often causes outbreaks of anthracnose, damping-off and other diseases under the weather conditions of continuous rain or sudden warming and cold, resulting in large-scale dead seedlings and lack of seedlings. Necessary measures to increase temperature and reduce humidity should be taken in time, combined with chemical control to protect seedlings and strive for strong seedlings.

Conclusion: The above is the content of "How Long Summer Came, What Is the Origin of Long Summer" compiled by Bian Xiao. I hope it can help you.