Shi chen hour chart maps modern 24-hour time to the twelve traditional Chinese two-hour periods (zi, chou, yin…) used for the BaZi hour pillar.
Quick lookup
- Zi: 23:00–01:00 · Chou: 01:00–03:00 · Yin: 03:00–05:00 · Mao: 05:00–07:00
- Chen: 07:00–09:00 · Si: 09:00–11:00 · Wu: 11:00–13:00 · Wei: 13:00–15:00
- Shen: 15:00–17:00 · You: 17:00–19:00 · Xu: 19:00–21:00 · Hai: 21:00–23:00
Use the BaZi chart tool to verify your hour pillar after lookup.