For Bazi analysis and sometimes flying star feng shui, hidden heavenly stems contained in earthly branches can give you deeper insight into a reading.
Here are the hidden elements found in earthly branches.
What they represent can be seen here.
| Earthly Branch | Hidden Heavenly Stems |
| E1 | H10 |
| E2 | H6, H8, H10 |
| E3 | H1, H3, H5 |
| E4 | H2 |
| E5 | H2, H5, H10 |
| E6 | H3, H5 H7 |
| E7 | H4, H6 |
| E8 | H2, H4, H6 |
| E9 | H5, H7, H9 |
| E10 | H8 |
| E11 | H4, H5, H8 |
| E12 | H1, H9 |