The names of six solar terms in "Spring Rain Begins Spring, Valley Clearing Day"

Beginning of spring, rain, sting, vernal equinox, Qingming, Grain Rain.

February 4th is the "beginning of spring" among the 24 solar terms, and beginning of spring is the first solar term in a year. The longitude of the sun is 3 15 degrees. In China, beginning of spring is the beginning of spring. In ancient times, people regarded the beginning of spring as the Spring Festival and held Spring Festival ceremonies on this day.

February 18 or 19 is the rain of 24 solar terms. When the longitude of the sun reaches 330 degrees, the solar terms begin to rain. At this time, the temperature rises, the snow melts and the precipitation increases, hence the name rain.

March 5 or 6 is the awakening of the twenty-four solar terms, and the sun enters the awakening solar terms when it runs to 345 degrees of the yellow meridian. Sting means hiding. With the temperature rising and the soil thawing, the first thunder began to appear, and the small animals hibernating underground seemed to be awakened by the thunder and began to excavate, hence the name Jingzhi.

March 2 1 day is the vernal equinox among the 24 solar terms, and the vernal equinox solar terms begin when the sun runs to 0 degrees (vernal equinox). A day is half of spring, so it is called vernal equinox. On the vernal equinox, the sun shines directly at the equator, and day and night are almost equal. Then the direct sunlight position gradually moved northward, and the days were long and the nights were short.

April 4th-5th is the Tomb-Sweeping Day in the twenty-four solar terms, and Tomb-Sweeping Day Qi begins when the sun moves to 15 degrees. At this time, the temperature is getting warmer, plants are sprouting, the weather is sunny and clear, everything is thriving, and Qingming is clean.

April 20th is the twenty-four solar terms in Grain Rain, and when the sun runs to 30 degrees of the Huangjing, it begins to enter the Grain Rain solar terms. At this time, rainfall is conducive to the growth of five grains, which means that rain produces "five grains".

Extended data

2016165438+1October 30th, 24 solar terms was officially listed in UNESCO? List of representative works of human intangible cultural heritage. In the field of international meteorology, the 24 solar terms are known as "the fifth invention of China".

The names of the twenty-four solar terms first appeared in Tian Zi Xun of Huainan in the Western Han Dynasty, and the concepts of Yin and Yang, four seasons, eight places, twelve degrees and twenty-four solar terms were also mentioned in the Preface of Historical Records Taishi Gong. During the period of Emperor Wu of the Han Dynasty, Luo compiled solar terms into the calendar, stipulating that the month without neutral gas was the last month of leap month.

References:

Baidu encyclopedia-24 solar terms