The heavy snow solar term is the beginning of the second month of the dry branch calendar, marking the official start of the mid-winter season. Heavy snow is a solar term that reflects the climate characteristics. The characteristics of heavy snow solar term are a significant drop in temperature and an increase in precipitation.
The heavy snow season is divided into three periods: "When the birds wait, they don't sing; Second, wait for the tiger to pay; Three waiting for you to stand out. " That is to say, because of the cold weather at this time, Hanhao birds no longer sing; At this time, the yin qi is at its peak, and the so-called peak and decline, the yang qi has sprouted, and the tiger began to courtship; "Liting" is a kind of bluegrass, and it feels the germination of yang and shoots new buds.