The origin of the 24 solar terms----Cold Dew, how did Cold Dew come about?
The origins of different solar terms are also different. So, let’s take a look at the origin of the 24 solar terms - Cold Dew. How did Cold Dew come about? The ninth day of the ninth month of the lunar calendar is the Double Ninth Festival. On this day, people have a traditional custom of climbing heights, so it is also called the "Climbing Festival." If you want to know more about the ninth month of the lunar calendar, please follow Mr. Shui Mo’s website!The origin of the 24 solar terms----Cold Dew, how did Cold Dew come about?The Cold Dew solar term is one of the 24 solar terms. my country also has records of the origin of the 24 solar terms.The origin of the 24 solar terms: The current "Twenty-Four Solar Terms" come from a method of division based on the sun's ecliptic longitude more than three hundred years ago, and has been in use since 1645. The "Lunar Calendar" that has been used since the "Shixian Calendar" was established until now, and the "Twenty-Four Solar Terms" are determined according to the position of the sun on the tropical ecliptic (the sun's ecliptic longitude), that is, on a "ecliptic" with a circumference of 360 degrees (the apparent path of the sun on the celestial sphere in a year), it is divided into 24 equal parts, each part is 15°, with the vernal equinox as the starting point of 0 degrees, and arranged according to the ecliptic longitude. That is, the sun is regarded as starting from the vernal equinox, which is zero degrees of ecliptic longitude. At this moment, the sun shines vertically on the equator, and every 15 degrees of advance is a solar term; it runs a circle and returns to the vernal equinox, which is a tropical year. The 24 solar terms are exactly 360 degrees, and every 15 degrees the sun runs on the ecliptic is a "solar term." Origin of Cold Dew solar term: Cold Dew marks the end of the You month and the beginning of the Xu month in the Ganzhi calendar. At night, if you look up at the starry sky, you will find that the seasons have changed and the "Big Mars" (Antares in Scorpio), which represents midsummer, has set. After the Cold Dew, the sun's altitude continues to decrease and the temperature gradually drops. Compared with the White Dew solar term, the temperature drops a lot during the Cold Dew solar term, and the dew on the ground is also colder, and is likely to become frozen dew, hence the name Cold Dew. The "Collection of Explanations of the 72 Seasonal Changes of the Lunar Calendar" says: "In the ninth month, the dew is cold and about to condense." The temperature at this time is lower than that during the "White Dew" period, there is more dew, and the days are chilly, hence the name "Cold Dew". What should we pay attention to when exercising during the Cold Dew solar term?During the Cold Dew solar term, exercise should be appropriate and not excessive.Exercise can strengthen the body and, to a certain extent, drive away autumn fatigue, but if the intensity of exercise is too high, it will increase the body's fatigue. During the Cold Dew season, as the weather is clear and cool, you should do some relaxing exercises close to nature, such as brisk walking, mountain climbing, etc., which can not only help you concentrate, but also achieve the purpose of exercise. Generally speaking, people's emotions are not very stable in autumn, and they are prone to irritability or sadness. Especially in late autumn when the flowers and trees are withered and the autumn wind is bleak, it often causes depression and a sense of old age in some people (especially the elderly). Therefore, the primary purpose of health care in autumn is to regulate emotions, cultivate optimism, and maintain psychological balance. |
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