What's the difference between rain and Grain Rain?

Grain Rain is one of the 24 solar terms. Grain Rain pointed out that the increase of rainfall is very beneficial to the growth of cereal crops. Every April 20th or 2 1 day, when the sun reaches 30 degrees of the yellow meridian, it is Grain Rain. In Grain Rain, the temperature is high and the rainfall is frequent. After the solar term in Grain Rain, the rainfall increased, and it was sufficient and timely.

Rain-indicates that the precipitation begins and the rainfall gradually increases. Rainwater solar terms are changeable, which is one of the seasons with the most cold wave processes in the whole year. It's cold and hot, and the weather is warm and cold.

Gregorian calendar every February 18 or so is a rainy solar term. At this time, the sun reaches 330 degrees of the yellow meridian, which is the solar term of "rain". Rain has two meanings, one is that the weather gets warmer and the precipitation increases gradually, and the other is that there is less snow and more rain.

The name Grain Rain can be seen at a glance, indicating the climate situation. But it is different from the rain festival. Rain means "spring rain is coming"; Grain Rain, on the other hand, linked the rain with the valley. According to the interpretation of the ancients, it means "rain gives birth to hundreds of valleys"

After beginning of spring, the climate has always changed repeatedly, from warm to cold, with three days of wind and five days of cold current. On the Grain Rain Festival, the temperature in the north and south of the Yangtze River rose rapidly and tended to be stable. With the increase of temperature. There is abundant rain, and all kinds of crops are growing in good conditions, which are flourishing day by day. There is more rain to the south of the Yangtze River, and rainbows appear. Early rice seedlings have grown two or three leaves, rape is blooming and spitting, bees and butterflies are flying.