谷雨的由来，大家较为熟知和认可的是，它来源于一个民间传说。传说黄帝时期，官员仓颉创造文字时，无数谷米从天而降，如同下雨一般。因此，黄帝把这天命名为“谷雨”。
The Chinese name of Grain Rain was originated from a folk story. When Cang Jie, an official in the Yellow Emperor period, created characters, countless grain came down from the sky like rainfall. Therefore, the Yellow Emperor named this day as “Gu Yu”.
Grain Rain was originated from the ancient version "raingerminate all grains", every April 19th to 21st, the sun reaches 30degrees in longitude is Grain Rain, it is the so-called "Qingming off the snow,Grain Rain off the frost". When the Grain Rain is coming, it means that the coldweather has basically ended, the temperature rises faster, which is benefit forthe growth of cereal crops.
