Ten Heavenly Stems
| Stem | Yin/Yang | Five Phases |
|---|---|---|
| Jia | Yang | Wood |
| Yi | Yin | Wood |
| Bing | Yang | Fire |
| Ding | Yin | Fire |
| Wu | Yang | Earth |
| Ji | Yin | Earth |
| Geng | Yang | Metal |
| Xin | Yin | Metal |
| Ren | Yang | Water |
| Gui | Yin | Water |
In BaZi the day stem is the Day Master; other stems and branches are read as Ten Gods relative to it.