What is the origin of the Great Cold Day? When is the Great Cold in 2018?

What is the origin of the Great Cold Day? When is the Great Cold in 2018?
Introduction: The solar terms have a long history in our country, and Dahan is the last of the 24 solar terms. The arrival of Dahan means that the weather will get colder. So what is the origin of the Great Cold Day? When is the Great Cold in 2018? Let’s follow the editor to find out! The twelfth month of the lunar calendar is also known as the twelfth month. If you want to know more about the twelfth month, please visit the special topic on the twelfth month of the lunar calendar on the Fortune Teller website.

What is the origin of the Great Cold Day?

Dahan is the last solar term among the 24 solar terms. It occurs when the sun reaches 300° of the ecliptic longitude around January 20 every year. Dahan means the weather is extremely cold. "Shushi Tongkao·Tianshi" quotes "Sanli Yi Zong": "The Great Cold is the middle cold, which is above the Lesser Cold, so it is called the Great Cold... It is the coldest time of the year in most parts of my country, with strong winds, low temperatures, and snow on the ground that does not melt, presenting a severe cold scene of ice and snow and freezing weather. In ancient my country, the Great Cold was divided into three stages: "The first stage is that chickens lay eggs; the second stage is that migratory birds fly fast; the third stage is that the ice in water and marshes becomes solid." This means that chicks can be hatched during the Great Cold; and migratory birds such as hawks and falcons are in a state of extremely strong hunting ability, hovering in the air looking for food to replenish their body energy to resist the severe cold; during the last five days of the year, the ice in the water freezes all the way to the center of the water, and is the solidest and thickest. During the Great Cold period, the atmospheric circulation is relatively stable, and the circulation adjustment cycle is about 20 days. When this circulation adjusts, large-scale rain, snow, strong winds and cooling temperatures often occur. When there is a long wave ridge west of 80 degrees east longitude and a large coastal trough in East Asia, my country will experience sustained low temperatures due to the control of northwesterly airflow and the continuous replenishment of cold air.

When is the Great Cold in 2018?

The date of Great Cold in 2018 is: Saturday, January 20, 2018 (the fourth day of the twelfth lunar month in the Dingyou Year (Year of the Rooster)). The specific time is: 11:08:58. Great Cold means that the weather is extremely cold. The period around the Great Cold is the coldest season of the year. The Great Cold occurs just after the 39th day of winter and at the beginning of the 49th day of winter. As the saying goes: "In the 39th and 49th days of winter, walk on the ice." Summary: The above content is about [What is the origin of the Great Cold Day? When is the Great Cold in 2018? 】I hope this problem analysis can provide a reference for everyone!

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