When is Frost's Descent? October 23rd every year is the traditional Chinese solar term "Frost's Descent". Frost's Descent means the weather is getting colder and the first frost appears. It is the last solar term in autumn and also means winter. At the beginning of the twelfth lunar month, during the frost season, health care is particularly important. There is a folk proverb, "It is better to replenish the body in a year than to replenish the frost." This shows the impact of this solar term on us.
The origin of frost
Every year around October 23 of the solar calendar, when the sun reaches 210 degrees of ecliptic longitude, it is the frost in the twenty-four solar terms. Frost's Descent is the last solar term in autumn and the transitional solar term from autumn to winter. In late autumn, the ground dissipates a lot of heat, and the temperature suddenly drops below 0 degrees. The water vapor in the air condenses directly on the ground or plants to form tiny ice needles, and some become hexagonal frost flowers, which are white in color and loose in structure.
"The Collection of Seventy-Two Hours of the Moon Order" says about frost: In the middle of September, the air is solemn and condensed, and the dew turns into frost. "Frostfall" means that the weather gradually becomes colder and dew condenses into frost. In ancient my country, frost was divided into three periods: in the first period, jackals were sacrificial animals; in the second period, vegetation yellowed and fell; in the third period, stinging insects dropped their bodies. The wolves began to capture their prey and sacrificed the beasts. They sacrificed the beasts to the gods and offered sacrifices to the autumn gold. The leaves on the ground withered and yellowed and fell. The stinging insects all stayed in their holes and did not eat. They lowered their heads and entered a state of hibernation. middle.
Overview of solar terms
Frost is one of the twenty-four solar terms. The weather is getting colder and frost begins. Frost's descent usually occurs on October 23 of each year in the Gregorian calendar. At this time, the first frost appeared in the Yellow River Basin of China, and most areas were busy sowing wheat and other crops.
In ancient my country, frost was divided into three periods: "The first period is when jackals sacrifice animals; the second period is when vegetation yellows and falls; the third period is when stinging insects bite." In this solar term, jackals will display their captured prey first and then edible. Every year around October 23 of the Gregorian calendar, frost falls when the sun reaches 210 degrees of ecliptic longitude. Frost means the weather is getting colder and dew condenses into frost. "Collection of the Seventy-two Hours of the Moon Order": "In the middle of September, the air is solemn and condensed, and the dew turns into frost." At this time, hoarfrost has appeared in the Yellow River Basin of our country. On the fertile fields thousands of miles away, a piece of silver ice crystal shines. At this time, the leaves are yellow and falling. The ancient book "Explanation of the Twenty-Four Solar Terms" says: "When the air is calm and frost falls, the clouds begin to condense." It can be seen that "frost falls" means that the weather gradually becomes colder and frost begins to fall. In meteorology, the first frost in autumn is generally called "early frost" or "first frost", while the last frost in spring is called "late frost" or "final frost". The period from the last frost to the first frost is the frost-free period. Some people also call early frost "chrysanthemum frost" because chrysanthemums are in full bloom at this time. Su Shi, a great writer in the Northern Song Dynasty, wrote in a poem: "Thousands of trees have been swept into a state of yellow, and only the hibiscus is fragrant."
Frost is formed by water vapor. How does water vapor condense into frost? The poet Lu Benzhong of the Southern Song Dynasty wrote in "Nan Gezi·Lv Si": "The slanting moon invades the post, and the creek bridge catches the late frost. "Lu You wrote in "Frost Moon" that "the dead grass is white with frost, and the moon is new in the cold window," indicating that frost appears on a clear moonlit night in autumn. There are no clouds in the autumn evening. The ground seems to have been uncovered, dissipating a lot of heat. The temperature suddenly drops below 0℃. The little water vapor on the ground will condense on the streams, bridges, leaves and soil, forming tiny ice needles. Some become hexagonal frost flowers. Frost can only form on sunny days. This is why people say that "thick frost fiercely beats the sun."
Frost's Descent Custom
In some places in China, red persimmons are eaten during the frost season. In the eyes of the locals, this can not only keep warm from the cold, but also strengthen the muscles and bones, which is very good. frost food. An old man in Quanzhou has a saying about eating persimmons during the frost: If you eat ding persimmons during the frost, you will not have a runny nose. The explanation for this custom in some places is that you have to eat mugwort on the day of frost, otherwise your lips will be cracked throughout the winter. At this time, people living in rural areas will climb tall persimmon trees and pick a few bright and sweet persimmons to eat.
So what should Shuangjiang eat to maintain health? Today I will tell you how to maintain health in Shuangjiang.
How to exercise and maintain health during the frost season
Around the time of "Frost" is the peak incidence of respiratory diseases. Common respiratory diseases such as allergic asthma, chronic bronchitis, influenza, etc. To prevent these diseases, you must first keep warm. People with a history of asthma attacks should especially pay attention to adding or removing clothes. You can wear a mask when going out to avoid the impact of cold on the respiratory tract. Secondly, physical exercise must be strengthened to increase disease resistance through exercise. Broadcasting exercises, Tai Chi, walking, jogging, mountain climbing, etc. are all more suitable forms of exercise. After the frost, autumn frost should be reduced, and special attention should be paid to keeping the lower limbs warm.
Principles of diet and health during the frost season
The "frost" time has entered late autumn. Traditional Chinese medicine believes that this season belongs to the "gold" of the five elements, corresponding to the lungs. Therefore, the most suitable diet and health regimen at this time is "flat tonic". Suitable foods include pears, apples, olives, ginkgo, onions, mustard greens, etc. These foods have the effects of promoting body fluids and moisturizing, clearing away heat and reducing phlegm, relieving cough and asthma, and strengthening the kidneys and lungs. At this time, you should eat less cold food, such as sea fish, shrimp, various cold drinks, etc., to avoid damaging the lungs and causing diseases.
After the "Frost", it is generally a good time to take supplements. There is a proverb that "it is better to replenish the winter than to replenish the frost." The main purpose is to keep warm, moisturize and strengthen the spleen and stomach. You should eat more pears, apples, and ginkgo. , onions, potherb mustard. Eat less cold and hard food, avoid intoxication and overeating, and pay attention to keeping your stomach warm. "Eat flowers in spring and fruits in autumn." Sweet potatoes, potatoes, yams, lotus roots, and water chestnuts are all suitable foods to eat in this season. In addition, you can also eat more lily, honey, jujube, sesame, walnut and other foods, which also have great health care effects.
Three kinds of diseases need to be prevented after frost
Every year around October 23 of the Gregorian calendar, when the sun reaches 210 degrees of ecliptic longitude, it is frost. Frost is a solar term that reflects weather phenomena and climate changes. The ancient book "Explanation of the Twenty-Four Solar Terms" says: "When the air is calm and frost falls, the clouds begin to condense." It can be seen that frost means that the weather gradually becomes colder and frost begins to fall. With the arrival of frost, crops, grass and trees begin to turn yellow and lose leaves.
Astronomical experts remind that the temperature drops rapidly after frost. Patients with gastrointestinal diseases, hypertension and cerebrovascular sclerosis should pay special attention to avoid strenuous exercise, maintain emotional stability and comfort, and reduce the temperature in the morning and evening. Trying to avoid being exposed to cold air when going out is an effective way to proactively prevent these three diseases.
What foods should be eaten during the frost?
From the beginning of the frost, the climate gradually becomes colder. According to the perspective of traditional Chinese medicine health care, it is necessary to take nourishing food in autumn. As the saying goes: "It is better to nourish the winter than to nourish the frost." You can eat more mutton and rabbit meat in autumn. Autumn is a dry season, making it easy to cough. It is also a time when chronic bronchitis is prone to relapse or worsen. Here are some fruits and vegetables that can moisturize the lungs.
Pear: It has the functions of promoting body fluid, moistening dryness, clearing away heat and reducing phlegm. It can be stewed with rock sugar and caladium.
Apple: It has the functions of promoting body fluid and moisturizing the lungs, eliminating food and quenching thirst.
Olives: It has the functions of clearing the lungs, soothing the throat, stimulating thirst and detoxifying. Onion: It has the functions of clearing away heat and reducing phlegm, lowering blood lipids and lowering blood sugar.
Radish: It has the effect of nourishing the lungs and relieving cough.