Solar term 16 of 24 · Autumn Element 金 Metal

秋分 Qiūfēn

Autumn Equinox

In 2026: 23 September 2026 to 8 October 2026 (Beijing time)

Day and night are equal again, and autumn is at its midpoint. From here yin pulls ahead.

Sun’s longitude
180°
Month (earthly branch)
酉month
Season
Autumn
Five Phase
金Metal

The three pentads

Each term is divided into three five-day pentads, named for what the ancients saw happen in nature.

  1. First pentad雷始收声Thunder falls silent
  2. Second pentad蛰虫坯户Insects seal their burrows
  3. Third pentad水始涸Waters begin to dry up

Wudang yangsheng for this term

Breath
Balanced breathing again, in and out to the same count, as day and night are equal.
Warm tea and diet
Pear, sesame and white fungus; a balanced oolong.
Sleep and daily rhythm
Gather the spirit inward and don’t give in to autumn melancholy; walk briskly and practise Taiji outdoors.

Traditional guidance, not medical advice. The terms follow the seasons of central China.

In the Book of Changes

Each month has a sovereign hexagram (消息卦) that shows how far yin or yang has grown. For the 酉 month it is 观, Contemplation.

The year’s 24 terms

  1. 1立春
  2. 2雨水
  3. 3惊蛰
  4. 4春分
  5. 5清明
  6. 6谷雨
  7. 7立夏
  8. 8小满
  9. 9芒种
  10. 10夏至
  11. 11小暑
  12. 12大暑
  13. 13立秋
  14. 14处暑
  15. 15白露
  16. 16秋分
  17. 17寒露
  18. 18霜降
  19. 19立冬
  20. 20小雪
  21. 21大雪
  22. 22冬至
  23. 23小寒
  24. 24大寒

How the 24 solar terms work in the Chinese calendar →