Start of Autumn立秋

Sunrise

In Beijing, as the book records it, the sun rises 21°33′ north of due east.

Three pentads

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

1. 1涼風至Cool winds arrive
2. 2白露降White dew falls
3. 3寒蟬鳴Autumn cicadas sing