What are the solar terms in 65438+ February?

One of the 24 solar terms, from February 6 to 8 every year, the sun is located at 255 degrees, 65438. The northern region will be affected by cold air, and heavy snowfall often occurs, causing snow on the ground.

weather

During the heavy snow solar term, the lowest temperature in most parts of China and Yushan, Taiwan Province Province has dropped to zero or below. There will be heavy snow or even blizzard in the cold and warm air confrontation area at the front of strong cold air.

The ancients said: "The great man is prosperous, and the snow is prosperous here." This solar term is the beginning time of heavy snow and the degree of snow, just like the solar term of light snow, which directly reflects the solar term of precipitation. So heavy snow refers to snow with heavy snowfall. Zuozhuan? Nine years of seclusion: "heavy snow on the ground. "

2. Winter solstice

Also known as Winter Festival and Happy Winter, it is one of the twenty-four solar terms and one of the eight astronomical solar terms, as opposed to the summer solstice. The solstice in winter is the shortest day in a year. The winter solstice in the northern hemisphere is generally between 65438+February 2 1 and 65438+February 23. In the lunar calendar, 1 1 month is the month of winter solstice.

weather

On the solstice of winter, the sun shines directly on the tropic of Capricorn. The winter solstice is also the shortest and longest day in a year in the northern hemisphere (north of the Tropic of Cancer). The arctic circle is in a state of permanent night, and the Antarctic circle is in a state of extreme day. From winter to the future, the position of direct sunlight began to move northward, the daytime hours in the northern hemisphere increased day by day, the sun height increased day by day at noon, and the sun shadow gradually shortened.

Although the winter solstice is the period when the northern hemisphere theoretically absorbs the least amount of solar heat, the time for the earth's soil and ocean to release heat will be delayed. In most cases, the coldest period is not around the winter solstice, but after the winter solstice, such as the great cold. According to the statistics of central weather bureau, the coldest month is 65438+ 10, followed by February, followed by 65438+February.

Extended data:

"Twenty-four solar terms" is the product of ancient farming civilization, and farming production is closely related to the rhythm of nature. It is a knowledge system formed by ancient ancestors who followed the agricultural time to observe the movement of celestial bodies and realized the changing laws of one year, climate and phenology. Each solar term represents different changes in time, climate and phenology.

The twenty-four solar terms express the unique concept of time between human beings and the natural universe, and contain the long-standing cultural connotation and historical accumulation of the Chinese nation. It not only plays a guiding role in agricultural production, but also affects the food, clothing, housing and transportation of ancient people, and even cultural concepts.

After historical development, the lunar calendar absorbed solar terms of the dry calendar as a supplement to the calendar, and adjusted it to conform to the tropic year through the leap method, forming a combined calendar of yin and yang, and the "24 solar terms" became an important part of the lunar calendar. In the field of international meteorology, the 24 solar terms are known as "the fifth invention of China". 2016165438+1October 30th, 24 solar terms was officially listed in UNESCO? List of representative works of human intangible cultural heritage.

References:

Baidu encyclopedia-24 solar terms