Grain Rain Festival is the time of Grain Rain Festival.

1, Grain Rain Festival falls on April 20th or 2 1 day of the solar calendar every year, which is the sixth solar term among the 24 solar terms and the last solar term in spring. As the saying goes, "Snow breaks in Qingming Festival and frost breaks in Grain Rain". Average temperature in most parts of China 12 degrees. On that day, the sun reached 30 degrees. At noon, the shadow of the sun is measured with a ruler. The length of the shadow is five feet, three inches and two minutes, which is equivalent to 1.3 13 meters today. At night, the bucket handle of the Big Dipper points to Chen, which is southeast.

2. After Grain Rain, the temperature rose rapidly. From this day on, the rainfall began to increase, and abundant rain was suitable for the growth of crops. Grain Rain season is different from previous rainy festivals. Rain is the first spring rain after the winter warms up. The temperature is low, and the water mist is fine and continuous, falling with the spring breeze. Sometimes it freezes into ice when you land overnight. In Grain Rain, it is the end of spring, the temperature is stable, and hot and cold phenomena are rare. Humid air and abundant rain are extremely beneficial to the sowing and growth of crops. The rain at this time refers to "rain gives birth to hundreds of grains", and the meaning of grain is not only the millet we are talking about, but also the general term of whole grains, that is, crops.