Author of 365 Days' Journey of Solar Term Poetry Culture

This is a documentary.

Twenty-four solar terms refer to the special festivals in the trunk and branch calendars that express seasons, phenology, climate change and establish "December construction", which were used to guide farming in the Han Dynasty.

Twenty-four solar terms are the product of ancient farming civilization, and are the knowledge system formed by ancient ancestors following the farming season and understanding the changing laws of seasons, climate and phenology in a year by observing the movement of celestial bodies. Twenty-four solar terms divide the sun's annual trajectory into 24 equal parts, and each equal part is a solar term, reflecting the influence of the sun on the earth.

In the field of international meteorology, the twenty-four solar terms are known as "the fifth invention of China" [1], 201654381October 30th, and the twenty-four solar terms were officially listed in the representative list of UNESCO and human intangible cultural heritage.