Why do Chinese New Year often have accurate tips about climate change?

Astronomy and meteorology are ancient and splendid cultural heritages in the history of Chinese civilization, and they are also great products created by clever ancestors after thousands of years of research, practice and creation.

There are three kinds of calendar records in China: lunar calendar, solar calendar and yin-yang calendar. The Gregorian calendar, also known as the Gregorian calendar, means that the earth revolves around the sun once, with a total length of about 365 days.

In the lunar calendar, the moon revolves around the earth for one month. The average revolution is one week, with a total length of about 354 days, forming a revolution time difference.

Lunar solar terms, also known as the lunar calendar, are now called the old yellow calendar. Twenty-four solar terms are added on the basis of the combination of lunar calendar and solar calendar.

Air and rain vernal equinox Grain Rain Xiaoman summer solstice summer solstice early summer equinox frost light snow winter solstice severe cold.

Twenty-four solar terms were summed up by the working people in ancient China, which reflected the law of the solar cycle, and the ancient people carried out agricultural activities accordingly. On May 20th, 2006, "Twenty-four solar terms" as a folk custom project was approved by the State Council to be included in the first batch of national intangible cultural heritage list. 2016165438+130 October, UNESCO officially passed a resolution to include the "Twenty-four solar terms-the time knowledge system formed by China people through observing the anniversary movement of the sun and its practice" declared by China in the UNESCO representative list of human intangible cultural heritage. Twenty-four solar terms guide traditional agricultural production and daily life, and are known as "the fifth invention of China".

Each of the 24 solar terms is about half a month apart. It is divided into twelve months, and each month has two solar terms. In the twenty-four solar terms, "festival" refers to a segment of a year and is a representation of a period of time; And "qi" refers to climate, which is an overview of weather changes.

It is the name given by the ancients according to the unique climate or phenology phenomena and agricultural activities in each stage. Together, these two words refer to the weather changes at a certain stage of the year. 12 solar terms, including beginning of spring, Jingzhe, Qingming, Changxia, Mangzhong, Xiaoshu, beginning of autumn, Bailu, Hanlu, beginning of winter, heavy snow and slight cold; The second solar term of each month is "Zhong Qi", that is, rain, vernal equinox, Grain Rain, Xiaoman, summer solstice, Dashu, Dashu, autumnal equinox, first frost, light snow, winter solstice, great cold, etc. 12 solar terms "solar term" and "Zhong Qi" appear alternately, each lasting 15. Now people have collectively referred to "solar terms" and "neutral gas" as "solar terms", that is, 24 solar terms.