The source of fear
Sting is the third of the 24 solar terms. Battle nail, the sun reaches 345 degrees of the Yellow Meridian, and the festival is on March 5-6 of the Gregorian calendar. Spine reflects the state of germination and growth of natural organisms affected by rhythm changes.
In ancient times, people used incense and wormwood to smoke the four corners of their homes to drive away snakes, insects, mosquitoes, rats and mildew. Over time, it gradually evolved into the habit of slapping unhappy people and driving away bad luck, which is the predecessor of hitting villains.
The symbolic feature of the shocking solar terms is that spring thunder suddenly moves and everything is full of vitality. Judging from the natural phenological process in various parts of China, due to the large span between north and south, the time when spring thunder begins to ring is different in the morning and evening. Thunder only matches the natural rhythm of parts of southern China.
Meteorological change of thorn
Generally speaking, on March 5 or 6 every year, the temperature rises rapidly and spring thunder gradually sprouts. According to the general climate law, the weather all over the country has begun to get warmer and there is more and more rain. Since the solar term, most parts of China have entered the spring ploughing season.
Stunned, with the sharp rise of temperature, the sphere of influence of spring has also expanded obviously. China has a vast territory, and there is a big difference between the north and the south in the progress of entering the spring. During the period of fright, the territory of spring obviously expanded northward, from central Hubei and northwestern Jiangxi to northern Henan and southwestern Shaanxi. At this point, most of the south has entered spring. Although it is still winter in most parts of the north, it will be much warmer.
In China, the average temperature has risen above 0℃ in most areas, 3-6℃ in North China, 8℃ in South China, and 10 ~ 15℃ in Southwest China and South China, which has been a harmonious spring.
The above content refers to Baidu Encyclopedia-Scare.