Configuration
巳亥沖 involves the following branches:
- 巳 Snake
- 亥 Pig
Elements involved: fire (with metal/earth), water (with wood)
Classical axis: fire / water
Classical register
The fire-water axis at the season-transition months: 巳 (Snake, yang fire, early summer) clashes with 亥 (Pig, yang water, early winter). Classical attribution emphasises the disruption of seasonal transitions — what one was preparing to launch (fire) meets the inward gravity of conservation (water), or vice versa. Travel, relocation, and major life-stage transitions feature prominently in this clash's register.
How to read 巳亥沖 in a chart
The 巳亥沖 configuration activates when the involved branches appear together in the four pillars of a BaZi chart (year, month, day, or hour pillar). Practitioners read the configuration's register against where in the chart it appears: a clash between year and month pillars often relates to the family of origin and early-life environment; between day and hour, to spouse / offspring matters; in the luck-pillar transitions, to the timing of the configuration's activation across decades. Beyond presence-or-absence, the configuration's strength depends on the chart's broader elemental balance and the Day Master's structural needs.
Why generic Snake-Pig Clash interpretation fails
The 巳亥沖 register is one structural feature of a BaZi chart, not the whole chart. Whether the configuration helps or hurts a specific consultant depends on their Day Master, the chart's elemental balance, the Useful God, and the luck pillar currently operating. The same configuration can be highly favourable for one chart (e.g., a clash that releases stuck energy) and challenging for another (e.g., a clash that destabilises a needed pillar). Master Sean Chan’s BaZi consultation reads the full chart against your specific question.