Cold dew**: Welcome the new realm of health preservation in autumn.
Hanlu is the 5th solar term of autumn, which is the 17th solar term of the 24th solar term. Cold dew generally occurs on the 7th and 9th of October in the Gregorian calendar. The cold dew symbolizes the end of autumn and heralds the gradual cooler weather. By this time, the sun has risen to 195 degrees of ecliptic longitude, which means that the angle of sunlight in the Northern Hemisphere has been significantly tilted, and the surface receives much less sunlight than in summer. At the same time, the cold air in the Northern Hemisphere is getting stronger and the temperatures are getting colder, and the temperature difference between day and night is getting wider, and there is a significant autumn drought.
With the advent of the cold and dew solar terms, many places in northern China have been affected by cold air, and most regions are in a high cold and high pressure environment, and the rainy season is about to pass. Although clear skies can still be seen, the difference between day and night is getting wider, especially in the vast northern areas, which are already bitterly chilling. Autumn in the south is getting closer, the temperature is getting cooler, the air is getting cooler, and the rainfall is getting less and less, showing the characteristics of drought.
Cold dew not only indicates a cooler climate, but also a healthy lifestyle. During the cold dew season, people can see many folk activities related to the cold dew, such as enjoying maple leaves, eating sesame seeds, eating crabs, drinking chrysanthemum tea, and so on. These customs are all for health and adaptation to the climate during this time.
Enjoying the autumn leaves is a traditional custom in the cold dew season, especially in the north, and many people go to the autumn leaves to enjoy the scenery. Enjoying the foliage is not only an appreciation, but also an immersive feeling, which makes people more aware of the beauty of nature.
During the Cold Dew Festival, eating sesame seeds is a good way to maintain health. According to the health care theory of traditional Chinese medicine, in the cold and dew season, it is necessary to pay attention to replenishing yin and stopping dryness, moistening the lungs and stomach. Traditional Chinese medicine believes that sesame seeds are rich in nutrients, and have the effect of nourishing yin and moisturizing dryness and supplementing nutrition.
Drinking chrysanthemum tea during the cold season is also a health custom. When the weather turns cool and the climate is dry, chrysanthemums can clear away heat and detoxify, moisturize yin and dryness, and have the effect of adjusting the balance of yin and yang in the body.
In addition, in the cold and dew season, crab eating is also a custom, especially in the Jiangnan area, there are not only delicious hairy crabs, but also fishing, fishing and other leisure activities. With the arrival of the cold dew season, the number of hairy crabs is increasing, and the taste is getting better and better, and it is gradually loved by people.
Cold dew is a symbol of the cooler climate, and it is also an important part of the health and living habits of our people. In the cold dew season, eat maple leaves, eat sesame seeds, drink chrysanthemum tea, eat crabs, conform to the season, stay healthy, and experience the beauty of nature.