Time flies, closer and closer to the end of 2019, and winter has come. In a few days, it will be the 20th festival of the 24 solar terms and the second festival in winter - light snow solar term. What month and day is the light snow solar term this year? What is the arrival of the light snow solar term? In this article, let's learn about the light snow solar term.
Gregorian time: Friday, November 22, 2019, 22:58:48
Lunar calendar date: Saturday, October 20 (small)
Start time: Friday, November 22, 2019, 22:58:48
End time: Saturday, December 7, 2019, 18:18
Xiaoxue is the 20th of the 24 solar terms. On November 22 or 23, the sun reaches the Yellow meridian 240 & deg;, This is called the light snow solar term. At this time, the sun is at - 20 & deg; 16 \ ', the day time in Beijing is only 9 hours and 49 minutes, and the noon sun height is only 29 & deg; 50‘。
During the "light snow" solar term, the handle of the Big Dipper at night points north by West (equivalent to 10 o'clock on the clock face). After 20:00 every night, if you go out to watch the stars, you can see that the Big Dipper sinks in the west, and the 'W' shaped Cassiopeia rises into the sky. She takes on the task of finding the coordinates of the Polaris instead of the big dipper and navigates for the star watchers. The quadrilateral Pegasus is facing the sky, and Orion, the symbol of the winter sky, has been exploring on the eastern horizon.
In this solar term, the northwest wind in vast areas of China began to become a regular visitor, and the temperature dropped gradually below 0 ℃, but the earth was not too cold. Although it began to snow, the amount of snow was small, so it was called light snow. At this time, Yin Qi drops and Yang Qi rises, resulting in the impassability of heaven and earth, the non intersection of yin and Yang, the loss of vitality of all things, and the occlusion of heaven and earth into severe winter. The first snow will appear in the area north of the Yellow River, reminding people that it is time to keep warm from the cold.
Introduction to Xiaoxue
Light snow indicates the starting time and degree of snow. Snow is the product of cold weather. Light snow solar term, the northern Sichuan Basin began to enter winter. " The lotus has no rain cover, and the chrysanthemum residue still has frost branches', which is a scene of early winter. Because there are Qinling Mountains and Daba mountain barriers in the north to block the invasion of cold air and reduce the severe threat of the cold wave, the "winter warmth" of the basin is significant. The number of snowfall days in the whole year is mostly less than 5 days, much less than that in the middle and lower reaches of the Yangtze River at the same latitude. There are few opportunities for snow before heavy snow. Even in the middle of winter, it is difficult to see the charming scenery of 'thousands of pear blossoms'. Because the temperature near the surface layer of the basin is often maintained above 0 ℃ in winter, snow is not easy than snow. Occasionally, although I see the sky 'flying', I don't see the 'broken Jade' on the ground. However, in the cold western Sichuan Plateau, snow generally begins in October all year round. The annual snowfall days in the northwest of the plateau can reach more than 60 days, and some alpine areas may have snowfall all all year round. During light snow, early frost can generally be seen in the northwest of the basin. It is necessary to prevent the harm of frost to crops. In the north of Gansu and Afghanistan, the minimum temperature is mostly about minus 15 ℃, so we should do a good job in preventing cold and keeping warm for livestock.