The difference between Grain Rain and rain.

1, different time: rain is the second solar term among the 24 solar terms, which is located around the 15th day of the first month of each year (February 18- 19 in Gregorian calendar), and the sun reaches 330 degrees of the yellow meridian.

2. Grain Rain is the sixth solar term among the 24 solar terms and the last solar term in spring. Every year from April 19 to April 2 1 day, when the sun reaches the longitude of 30 degrees of the Yellow River, it is Grain Rain, which comes from the old saying "Rain gives birth to hundreds of valleys".