1、Grain Rain was originated from the ancient versionraingerminate all grains, every April 19th to 21st,the sunreaches 30degrees in longitude is Grain Rain, it is the so-called Qingming off the snow,Grain Rain off the frost. Whenthe Grain Rain is coming,it means that the coldweather hasbasically ended,the temperature rises faster，which isbenefit forthe growth of cereal crops.

2、谷雨源自古人“雨生百谷”之说，每年4月19日～21日，太阳到达黄经30°时即为“谷雨”，正所谓“清明断雪，谷雨断霜”。谷雨节气的到来，意味着寒潮天气基本结束，气温回升加快，有利于谷类农作物的生长。