Solar term 16 of 24

Autumn Equinox秋分

Day and night stand equal again.

Sun at
180°
Date in 2026
23 Sept
Type
Mid-month
Sunrise
卯
立春雨水驚蟄春分清明穀雨立夏小滿芒種夏至小暑大暑立秋處暑白露秋分寒露霜降立冬小雪大雪冬至小寒大寒
Its place in the solar year

Sunrise

In Beijing, as the book records it, the sun rises due east.

Three pentads

Each term splits into three five-day pentads, each named for a sign in nature.

  1. 1雷始收聲Thunder goes quiet
  2. 2蟄蟲坯戶Insects seal their burrows
  3. 3水始涸Waters start to dry

Sources Xie Ji Bian Fang Shu, vol. 12.