What's the sunny day like in September?

The sunny day in September refers to the ninth day of the ninth lunar month. 99 sunny day is also the Double Ninth Festival, which falls on the ninth day of the ninth lunar month. Because the Double Ninth Festival is also called "Double Ninth Festival", people have the custom of climbing mountains on that day, so it is called "sunny day". Literally, it means 99 sunny days, which is the first sunny day after nine cold days. Here, "99" refers to the 8th1day after winter solstice. In the traditional culture of China, "sunny September" is not only a weather phenomenon, but also has rich cultural connotations, symbolizing the process of winter leaving and spring coming, and indicating the arrival of spring and the beginning of vitality. In the lunar calendar, every nine days are 19, * * * 998 1 day, from the ninth day of the winter solstice. During this period, the weather gets warmer and everything recovers in spring returns.