1, Jing Zhe, also known as "Qi Zhe", is the third of the 24 solar terms. Fighting nails, the sun reaches 345 degrees of the Yellow Meridian, and the festival is on March 5-6 of the Gregorian calendar. Sting reflects the phenomenon that natural creatures germinate and grow under the influence of rhythm changes.

When it comes to shock, the yang 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 startled solar terms are of great significance in farming, which is the reflection of ancient farming culture on natural festivals.

2. Startling, which is the beginning of Uzuki; Mao, the mid-spring moon, the hexagrams are in the earthquake position, and everything is out of shock, which is the image of hair growth. It is built at the age of one year and twelve months, and it corresponds to one hexagram every month. Uzuki (including the two solar terms of fright and vernal equinox) corresponds to one hexagram of thunder.

The divination of the Big Zhuang Gua is that the sky began to thunder, and the thunder rang in the sky, which is very vivid. "Mao", Mao also, everything comes out of the ground, representing vitality; Therefore, Uzuki (February) is also the month when everything can be generate, and a year of spring ploughing begins. ?

3. During the scary season, spring is budding, and nature has new vitality. The so-called "spring thunder scares all insects" refers to the time when spring thunder begins to sound, waking up the stinging insects that are dormant in the ground for the winter. The symbolic feature of the shocking solar terms is that the spring thunder suddenly moves and everything is full of vitality. From the natural phenology and climate process in various parts of China, it is found that "the thunder begins when you are startled" only coincides with the natural rhythm in some parts of southern China.