Introduction to Li Qiu
Liqiu is the 13th solar term in the 24th solar terms, and it is the end of the dry calendar and the beginning of the Shenyue; the time is around the first day of the lunar calendar in July (between August 7-9 of the Gregorian calendar). "Autumn" means that summer is coming to cool, which means the beginning of autumn. When it came to Liqiu, the phoenix tree began to fall, so there was an idiom of "deciduous autumn." From the point of view of text, the word "autumn" consists of Wo and Huo characters, which means the maturity of Hegu. Autumn is the transitional season when the weather turns from hot to cold and then cools to cold. Liqiu is the first solar term in autumn.
In the Song Dynasty, the autumn palace should move the phoenix tree planted in the pot into the temple. When the "Liuqiu" arrives, the Taishi official will sing loudly: "Autumn is coming." After playing, Wutong responded with two leaves. In order to report the meaning of autumn.