秋分 Traditional form: 秋分 Pinyin (reading): Qiūfēn Definitions: Qiufen or Autumn Equinox, 16th of the 24 solar terms 二十四節氣/二十四节气 23rd September-7th October Characters: 秋 - autumn, fall; year 分 - to divide, to allocate; fraction; small unit of time or other quantity Traditional characters: 秋 - autumn, fall; year 分 - to divide, to allocate; fraction; small unit of time or other quantity