1. Xiaohan is winter. It is one of the twenty-four solar terms and indicates that the coldest weather of the year is coming. In some areas, it has already started to snow on Xiaohan, while in other areas it is still very warm on this day. In fact, Xiaohan, like Xiaoshu and Dashu, all represent the solar term that changes in temperature.

2. Xiaohan occurs around the twelfth day of the twelfth lunar month every year, which is the beginning of January in the solar calendar. Generally, during Xiaohan, the weather is very cold and you need to wear a thick coat when going out.