The meaning and symbol of rain

The main meaning of rain solar terms is to represent rainfall. Generally speaking, when it comes to the rainy solar term, the rainfall will increase obviously, which is also the solar term with the most floods. Entering the rain solar term, the northern region is still cloudy and cold, and the temperature changes greatly. Most places in the south are full of spring, with a scene of early spring.

The arrival of the rain solar term means that the rainfall gradually increases and the temperature begins to rise. Rain is a solar term reflecting precipitation, and it is also the second solar term in spring. The time is between February1August-20 of the Gregorian calendar every year.

After the solar term of rain, the sunshine hours and intensity in the northern hemisphere are increasing, and the temperature is rising rapidly. Warm and humid air from the ocean becomes active and gradually pushes northward. Although the rainfall increased, it was mainly light rain or Mao Mao rain. Therefore, the arrival of the rain solar term means that the rainfall will increase.

The origin of rain

Rain is the second of the 24 solar terms. Every year around the 15th day of the first month (February 18-20 in Gregorian calendar), when the longitude of the sun reaches 330 degrees, it is the rain of 24 solar terms. At this time, the temperature rises, the snow melts and the precipitation increases, hence the name rain. Generally, the rainy and rainy solar term begins on February 18 or 19 of Gregorian calendar and ends on March 4 or 5. Rain, like Grain Rain, light snow and heavy snow, is a solar term reflecting precipitation.

Twenty-four solar terms: "In the first month, water is born every day. Spring belongs to wood, but there must be water for those who grow wood, so there is rain in beginning of spring. If the east wind melts, it will disperse into rain. " It means that everything begins to sprout before and after the rain and solar terms, and spring is coming. For example, Yizhoushu has phenological records such as "Hongyan coming" and "vegetation sprouting" after the rain.