What day does Jiuqiu refer to?

Autumn in September does not refer to a certain day, but to the late autumn in September. Generally speaking, late October is called late autumn. The temperature drops sharply in late autumn, and it is not far from winter. Moreover, in late autumn, most crops have been harvested, and this is a truly desolate world. Autumn is one of the four seasons. In China, traditionally, "beginning of autumn" in the 24 solar terms is taken as the starting point of autumn.

Autumn in September does not refer to a certain day, but to the late autumn in September. Generally speaking, late October is called late autumn. The temperature drops sharply in late autumn, and it is not far from winter. Moreover, in late autumn, most crops have been harvested, and this is a truly desolate world. Autumn is one of the four seasons. In China, traditionally, "beginning of autumn" in the 24 solar terms is taken as the starting point of autumn.