CIIC:Today's featured article/September22, 2012

Qiufen is one of the 24 solar terms.

Qiufen (秋分) reflects the changing of seasons, indicating that autumn is halfway over. On the day of Qiufen, the sun rays fall directly on the equator, and the lengths of day and night are equal again, the same as on the day of Chunfen. (More...)