It is said that the Twelve Methods originated in the period of the Yellow Emperor, and the musician Ling Lun arranged 12 bamboo pipes into two parts from low to high: the method pipe and the land pipe. The opening of the bamboo tube is different from top to bottom, the upper part is flat, and the lower part is different in length, with a 45-degree oblique opening inserted into the soil. The bamboo tube was hollowed out and contained ashes made of reed film.
The dinner that changed Yang Zhi's fate was on the Dragon Boat Festival. At that time, Liang Zhongshu and his wife were having a party at home. Considering that his father-in-law Cai Jing's birthday is coming soon, he wants to find someone to give him a gift. Yang Zhigang competed with Zhou Jin, Suochao and others, and was promoted to special envoy by Tihar. Liang Zhongshu was instructed by his wife, and later he thought of Yang Zhi, which directly led to the fall of Erlong Mountain behind Yang Zhi.
However, the ancient calendar was not fixed. The calendars of Xia, Shang and Zhou are different. For example, it is also the first month of the new year, corresponding to today's calendar. Xia Dynasty is November, Shang Dynasty is December, and Zhou Dynasty is the same as today. In the final analysis, Rabin has an unwritten rule about May in the corresponding music law. Therefore, Yan Bin became the name of May in the lunar calendar.
Dragon Boat Festival is on May 5th, also known as May Festival. Bin Liu refers to May, so it can also be called Fan Bin Festival. In fact, the Dragon Boat Festival has many names.