What do you mean by nine days in Feng Ming?

It means beautiful music reverberates in the sky.

Feng Ming here refers to Feng Huangming's singing, and the explanation is a metaphor for beautiful music and harmonious feelings between husband and wife.

From Chapter 47 of the History of Feng Ming Menglong Eastern Zhou Dynasty: "Mu Gong ordered a skillful craftsman to carve this beautiful jade into a sheng. The woman blew it, and the sound was like Feng Ming. "

Mu Gong ordered craftsmen to analyze these beautiful jade for prosperity. You blew it. It sounds like a phoenix.

Extended data

Historical allusions:

Feng Ming originated from Buffon. In the Spring and Autumn Period, I wanted to marry my daughter to Chen, and when I was divining, I got good omen such as "Phoenix Emperor flying in the sky and harmony". Later, "Buffon" was used as an allusion to choosing a husband.

Specifically, in the history of China and foreign countries, everything that is described as extremely high, extremely large, extremely wide and extremely far is almost always described as "nine". For example, if the sky is very high, it is called "nine days", "nine clouds" and "nine days"; The land is very large, so it is called "Jiuzhou", "Jiugai" and so on.

In the Temple of Heaven Park in Beijing, there is a building called Autumn, which is dedicated to the emperor. From railings to stones, "nine" stands for heaven. For example, masonry is also based on "Nine".