The Complete Method for Pattern Selection from Mixed-Qi Month Branches
Why is pattern selection so difficult for the four months Chen, Xu, Chou, and Wei?
Chen, Xu, Chou, and Wei are the four season branches (end-of-spring Chen, end-of-summer Wei, end-of-autumn Xu, end-of-winter Chou), each hiding three heavenly stems — unlike Zi, Wu, Mao, and You which purely hide just one. This 'mixed qi' makes pattern selection complex — with several Ten Gods simultaneously present in the month branch, which one takes priority? This article explains the classical method for pattern selection from mixed-qi month branches.
Three principles for mixed-qi month branch pattern selection: whatever Ten God emerges on the heavenly stems, take that pattern (emerged-stem priority); if nothing emerges on the stems, check earthly branch meetings and combinations (branch meeting second); if neither emerges nor meets, then use the primary qi (primary qi last).
1. The Special Nature of Mixed-Qi Month Branches
Each of the four branches Chen, Xu, Chou, and Wei hides three heavenly stems — Chen hides Wu, Yi, Gui (Earth, Wood, Wood, Water); Xu hides Wu, Xin, Ding (Earth, Metal, Fire); Chou hides Ji, Gui, Xin (Earth, Water, Metal); Wei hides Ji, Ding, Yi (Earth, Fire, Wood). This 'one-hides-three' structure makes pattern judgment far more complex than for Zi, Wu, Mao, and You — which hide only one and have immediately clear patterns. The core special nature of mixed-qi month branches is that the month branch's momentum is not concentrated in one Ten God but dispersed among three different minor factions. Whichever faction can 'emerge' (emerge on heavenly stems) represents the month branch's primary direction. If no faction emerges (no emerged stem), you need to see which faction has formed branch meeting dominance. This judgment logic differs somewhat from standard pattern month branches where 'month-branch primary qi = pattern.' The most common mistake in mixed-qi month branch pattern selection is forcibly taking the primary qi as the pattern while ignoring the signals of emerged stems and branch meetings.
2. The Three-Tier Judgment of Emerged Stems, Branch Meetings, and Primary Qi
First tier: Heavenly stem emergence principle. Among the three hidden stems in the month branch, if one of them emerges on the heavenly stems (appears on year stem, month stem, day stem, or hour stem), take this emerged Ten God as the pattern. For example, in Chen month (hiding Wu, Yi, Gui), if Yi Wood emerges on the heavenly stems, take the pattern corresponding to Yi Wood (which could be Hurting Officer pattern or Direct Officer pattern, etc., depending on the Day Master). Emerged stem takes priority over everything. Second tier: Earthly branch meeting principle. If none of the hidden stems have emerged (no emerged stems), check whether the earthly branches have formed meetings. For example, in Chen month with no hidden-stem heavenly stems emerged, but the earthly branches have Yin-Mao-Chen forming the eastern wood tri-meeting — Wood's force has formed a meeting dominance in the branches, so take the Ten God corresponding to Wood as the pattern. Third tier: Primary qi pattern selection principle. Only when there is neither emerged stem nor branch meeting do you take the month branch's primary qi as the pattern. Chen and Xu's primary qi is Wu Earth (Chen and Xu are yang earth), Chou and Wei's primary qi is Ji Earth (Chou and Wei are yin earth). When neither emerged stem nor branch meeting exists, mixed-qi month branches ultimately take Earth's primary qi as the pattern. The three-tier judgment sequence must not be disrupted — you must first check emerged stems, then branch meetings, and only finally primary qi.
Three-Step Pattern Selection
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Classical Support
Practical Key Points
- Emerged-stem priority is the first principle : Regardless of what the primary qi is, as long as a hidden stem has emerged on the heavenly stems, take the emerged Ten God as the pattern. The emerged stem represents the month-branch energy's actual outlet direction.
- Don't forcibly take the primary qi as the pattern : The most common mistake with mixed-qi month branches is ignoring emerged stems and branch meetings and directly taking the primary qi (Wu or Ji Earth) as the pattern. This approach will yield the wrong pattern in certain cases.
Common Follow-ups
Q: What if two hidden stems emerge simultaneously in a Chen/Xu/Chou/Wei month?
A:
Look at which one has stronger power — which one has root, which one has support in the month branch, which one is not restrained. Cases where two emerge with comparable power are relatively rare; usually one clearly dominates. If it's truly impossible to distinguish, take the one with greater impact on the pattern as the primary pattern.