The length of day and night in Grain Rain.

The days are long and the nights are short.

According to the weather forecast data, the solar terms in Grain Rain are long in the day and short in the night, because the solar terms in Grain Rain are after the vernal equinox, which divides the day and night equally, and the days are longer after the vernal equinox.

Grain Rain is the sixth solar term among the 24 solar terms and the last solar term in spring. Combat refers to Chen; The meridian of the sun is 30; Celebrate every April 19-2 1 in Gregorian calendar. Grain Rain was taken from the meaning of "Rain gives birth to a hundred valleys", and the precipitation increased obviously at this time. Seedlings and new crops in the field need the moisture of rain most. Only when the rainfall is sufficient and timely can cereal crops thrive.