Major Snow大雪

Sunrise

In Beijing, as the book records it, the sun rises 30°08′ south of due east.

Three pentads

Each term splits into three five-day pentads, each named for a sign in nature.

1. 1鶡鴠不鳴Night birds fall silent
2. 2虎始交Tigers begin to mate
3. 3荔挺出Iris shoots appear