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) 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)
