Cold and rainy solar terms

At the vernal equinox, it rained heavily and it was dark. It was dawn before the lights were turned off.

February is the vernal equinox, and planting trees and fertilizing cultivated land is deep. The vernal equinox is the fourth solar term in spring. At this time, winter has been completely bid farewell to, flowers are blooming, birds are singing and flowers are fragrant. The vernal equinox is celebrated from March 19 to 22nd every year.