The meaning of several solar terms after cold dew

The first frost, one of the 24 solar terms, is around 65438+1October 23rd every year. The first frost solar term means that the weather is getting colder and the first frost appears. It is the last solar term in autumn and also means the beginning of winter. Health care is particularly important in the first frost season. There is a folk proverb that "it is better to make up the first frost one year", which shows the influence of this solar term on us.

Beginning of winter is one of the 24 solar terms and one of the traditional festivals of the Han nationality, as the end of the full moon and the beginning of the full moon. The time point is between the Gregorian calendar165438+1October 7-8, that is, the sun is located at 225. At this time, the sun is located at declination-16 19', and the height of the sun at noon in Beijing is only 33 47'. After beginning of winter, the sunshine time will continue to shorten, and the height of the sun will continue to decrease at noon. During the period of beginning of winter, the Han people regarded winter solstice as beginning of winter. In order to spend the severe winter, it is necessary to supplement the dietary customs.

Xiaoxue is the twentieth of the twenty-four solar terms. 165438+1On October 22nd or 23rd, when the sun reaches 240, it is called the light snow solar term. At this time, the sun is at-2016' at the declination. On this day, Beijing's daylight saving time is only 9 hours and 49 minutes, and the height of the sun at noon is only 29 50'.

"Heavy snow" is the 2 1 solar term in the 24 solar terms, and it is also the end of the dry calendar and the beginning of next month. The time point is on February 7 or 8 of Gregorian calendar 12 every year, and the sun reaches 255 degrees of the yellow longitude. "Twenty-four solar terms" said: "At this time, the snow is abundant."

Winter solstice is an important solar term in the China lunar calendar, and it is also a traditional festival of the Chinese nation. The winter solstice is usually called "Winter Festival", "Dragon solstice Festival" and "Asian New Year". As early as more than 2,500 years ago in the Spring and Autumn Period, China had observed the sun with the earth, and determined the winter solstice, which was the earliest of the 24 solar terms, and the time was between 0 and 23 in Gregorian calendar 65438+February 265438.

Slight cold is the 23rd in 24 solar terms, the end of calendar month and the beginning of ugly month. The time point is between 65438+1October 5-7, and the sun is at 285. For China, a slight cold marks the beginning of the coldest day of the year.

The Great Cold is the last of the 24 solar terms. Every year around 65438+10.20, when the sun reaches 300, it is a severe cold. Twenty-four solar terms: "In mid-December, I met before (slight cold)." Time-sharing, time-sharing, time-sharing and time-sharing quote three rites and meanings: "Great cold is the middle, shaped by slight cold, so it is called great ... extremely cold, so it is called great cold." At this time, the cold wave frequently goes south, which is the coldest period of the year in most parts of China. The wind is strong, the temperature is low, and the snow on the ground does not melt, showing a cold scene of ice and snow.