What is the meaning of the solar terms in first frost? The meaning of the twenty-four solar terms in first frost? Interpretation of the solar terms in first frost: It is the last solar term in autumn, a solar term reflecting the temperature change, and a transition from autumn to winter, which means that winter is about to enter. First frost solar term means that the weather is getting colder and the first frost will appear, but it doesn't mean that the arrival of first frost is frost. It is the last solar term in autumn and the transitional solar term from autumn to winter, which means that winter is about to begin. First frost is the eighteenth of the twenty-four solar terms. Every year, on the 23rd or 24th of the Gregorian calendar1October, the solar term is first frost. With the arrival of first frost, the northern region has already shown a scene of late autumn, and the weather is getting colder every day. With the arrival of first frost, the temperature will drop to zero degrees Celsius or below, crops that are not cold-tolerant have been harvested or will soon stop growing, plants and trees have begun to turn yellow, and the autumn harvest and winter planting have been completed. People who have worked hard for one year can have a good rest. In some places in China, red persimmons should be eaten in first frost season, which can not only keep out the cold and keep warm, but also tonify the bones and muscles. It is a very good first frost food, and it will have a good effect to tonify the body through food at this time. What does first frost mean? first frost (one of the 24 solar terms) first frost solar term means that the weather is getting colder and the first frost appears. First frost, one of the twenty-four solar terms, is around the 23rd of the Gregorian calendar 10. The solar term in first frost means that the weather is getting colder and the first frost appears. It is the last solar term in autumn, which also means that winter is about to begin. In first frost season, health care is particularly important. There is a folk proverb that "it is better to make up for first frost once a year", which shows the influence of this solar term on people. Frost is condensed by water vapor. How can water vapor condense into frost? Lv Benzhong, a poet in the Southern Song Dynasty, wrote in "South Song Zi Lu Si": "The moon invades in the post, and the bridge spends the night frost." Lu You wrote in Frost Moon that "the withered grass is frosty and gray, and the cold window is full of new shadows." It shows that frost appears on a clear moonlit night in autumn. There are no clouds in autumn night, and the ground is like a quilt, which radiates a lot. When the temperature suddenly drops below 0℃, the water vapor that is not much on the ground will condense on streams, bridges, leaves and soil, forming tiny ice needles, and some become hexagonal frost flowers. Frost can only be formed on sunny days. People say that "thick frost is fierce to the sun" is the truth. There is a poem in "first frost", which says, "Every autumn and dusk, it turns into frost, and a few parts condense into yang. The lotus is defeated by a thousand pools, and the cotton is harvested in thousands of hectares. " In some places in China, red persimmons should be eaten in first frost season. In the eyes of local people, it can not only keep out the cold and keep warm, but also tonify bones and muscles. It is a very good first frost food. The old man in Quanzhou said that first frost ate persimmons: first frost ate diced persimmons, and his nose wouldn't run. In some places, the explanation for this custom is: first frost will eat eggs on this day, or his lips will crack all winter. At this time, people living in rural areas will climb tall persimmon trees and pick some bright and sweet persimmons to eat. Every year around Gregorian calendar1October 23rd, when the sun reaches the longitude of 2 10 degrees, it is the first frost in the twenty-four solar terms. First frost is the last solar term in autumn and a transitional solar term from autumn to winter. There is a lot of heat dissipation on the ground in autumn, and the temperature suddenly drops below 0 degrees. The water vapor in the air condenses directly on the ground or plants to form fine ice needles, and some become hexagonal frost flowers, which are white and loose in structure. "twenty-four solar term" said about first frost: In mid-September, the qi was cold and condensed, and the dew was frosty. "first frost" means that the weather is getting colder and the dew condenses into frost. In ancient China, first frost was divided into three stages: one was that jackals sacrificed animals; Second, the vegetation is yellow; Three-time stinging insects are salty. The jackal began to capture prey, offering sacrifices to animals, and offering sacrifices to heaven and paying back the book with animals, thus paving the way for offering sacrifices to autumn gold; The leaves on the earth are yellow and fall; The stinging insects are all motionless in the cave, hanging their heads to enter a state of hibernation.