Describe the solar terms that are shocking.

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. Speaking of earthquakes, the sun's spirit rises, the temperature warms up, the spring thunder suddenly moves, the rain increases, and everything is full of vitality. Farming production is closely related to the rhythm of nature, and the solar term of fright is of great significance in farming, which is the reflection of ancient farming culture on natural festivals.

"Sting" means "hiding". In winter, insects hide in the soil. "Surprise" means "wake up". Spring thunder in the sky woke up the bugs. The so-called "spring thunder" means that when the spring thunder begins to sound, it wakes up the stinging insects that are dormant in the ground for the winter. In some ancient places, people smoked the four corners of their houses with incense and wormwood to drive away "snakes, insects, mosquitoes and rats" and musty smell. Over time, it gradually evolved into the custom of shocking and beating villains to drive away bad luck. In addition, there are customs such as "covering the drum skin", "eating pears" and "offering sacrifices to white tigers to resolve right and wrong".

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 begins with your surprise" just coincides with the natural rhythm in some parts of southern China.