Start of Summer立夏

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螻蟈鳴Mole crickets chirp
2. 2蚯蚓出Earthworms come up
3. 3王瓜生Wang gourds grow