BAZI KNOWLEDGE BASE
Directional meetings in BaZi: four seasonal groups and formation conditions
A directional meeting brings together the three Earthly Branches (the twelve symbols used in the lower position of each chart column) of one season: Yin–Mao–Chen for spring Wood, Si–Wu–Wei for summer Fire, Shen–You–Xu for autumn Metal, and Hai–Zi–Chou for winter Water. It describes a gathering of seasonal influence. Shen, You and Xu supply the full autumn membership, for example; the Day Master (the birth-day element used as the chart’s reference), birth month and other symbols still determine what Metal represents in the reading.
The four complete seasonal meetings
The seasons follow BaZi solar-term (one of 24 seasonal markers defined by the Sun’s position along its yearly path) months, rather than lunar month starts or the local weather on a particular day. Each group ends in an Earth branch associated with the closing part of that season.
| Members | Season | Direction / element | Earth ending |
|---|---|---|---|
| Yin, Mao, Chen | Spring | East / Wood | Chen |
| Si, Wu, Wei | Summer | South / Fire | Wei |
| Shen, You, Xu | Autumn | West / Metal | Xu |
| Hai, Zi, Chou | Winter | North / Water | Chou |
Spring Wood and summer Fire: why include Earth?
Yin–Mao–Chen runs from early to late spring. Yin and Mao have Wood as their principal element, while Chen contains Wu, Yi and Gui, including Yi Wood. Si–Wu–Wei spans summer; Si and Wu are principally Fire, while Wei contains Ji, Ding and Yi, including Ding Fire.
A Wood meeting does not erase Chen’s Earth or Gui Water; a Fire meeting does not turn Wei’s Yi into Fire. Season, roots and exposed stems inform the strength discussion. Opposing branches require a separate check for each member’s clash.
Shen–You–Xu: why is Xu not pure Metal?
Shen contains Geng, Ren and Wu; You contains Xin; Xu contains Wu, Xin and Ding. Seasonal continuity and roots for Geng/Xin support the Metal interpretation. Xu still contains Earth and Ding Fire alongside Xin.
For Jia, Geng is Seven Killings and Xin Direct Officer, so Metal belongs to Officer/Killings. For Bing, Geng is Indirect Wealth and Xin Direct Wealth. The same group therefore cannot be Wealth for every chart or assign a career by name. Yin–Shen, Mao–You and Chen–Xu clashes remain relevant.
Hai–Zi–Chou: abundant Water and useful Water differ
Hai contains Ren and Jia; Zi contains Gui; Chou contains Ji, Gui and Xin. Together the winter members can bring Water and cold/moisture into focus. Chou remains a mixed Earth branch rather than a container of pure Water.
For Jia, Ren and Gui are Indirect and Direct Resource (a traditional role associated with learning, care and dependable support); for Wu Earth, they are Indirect and Direct Wealth. The reading then asks whether Water support, warming Fire or Earth restraint is relevant. Winter membership alone establishes neither intelligence nor wealth. Si–Hai, Zi–Wu and Chou–Wei clashes need separate consideration.
How to distinguish a meeting from a trine
Yin–Mao–Chen meets toward Wood, while Hai–Mao–Wei forms the Wood trine. Only Mao is shared. The first spans spring; the second connects Wood’s growth, peak and storage across seasons.
| Comparison | Wood meeting | Wood trine |
|---|---|---|
| Full membership | Yin, Mao, Chen | Hai, Mao, Wei |
| Structure | Three consecutive seasonal branches | Growth, peak, storage |
| Two members | Not a complete meeting | Check whether the peak is present |
| Shared Mao | Locate it and its other relationships | Do not count it as two independent strengths |
What if an arriving year supplies the missing member?
Natal Shen–You without Xu remains incomplete; another You cannot replace Xu. An arriving Xu year supplies the third member in that year’s comparison. Neither the four natal branches nor the birth month command (the seasonal conditions represented by the birth month) changes.
Modern accounts sometimes call two members a partial meeting. Mingli Yueyan’s directional-group chapter takes all three and explicitly declines two-member groups. Compare actual membership and the chosen rule instead of assigning missing members a fixed percentage.
After membership is complete, what determines function?
Start with the actual birth month, positions, exposed related stems and roots, then examine competing contacts. With Shen–You–Xu plus Chen, Chen both clashes with Xu and combines with You; a single Metal-group label leaves these out.
Mingli Yueyan distinguishes spring-group Officer/Killings treatment by Yin or Mao month, showing that month command still matters. A group-level interpretation differs from naming every hidden stem (an additional element symbol traditionally assigned inside a lower chart symbol); it does not turn all contents into one Ten God (one of ten traditional relationship labels defined relative to the birth-day element).
A fixed meeting-above-trine-above-combination ranking cannot complete the analysis. These conditions explain why an author emphasizes the seasonal group and what function it has relative to the rest of a chart.
How does a complete spring Wood illustration differ from a Wood trine?
The synthetic example is Jia-Yin Year, Ding-Mao Month, Jia-Chen Day and Jia-Zi Hour, with consistent pairings. Yin, Mao and Chen occupy Year, Month and Day, with the actual month in Mao. This identifies both the complete spring group and its season, rather than simply counting Wood.
Hai and Wei are absent, so it is not also a Hai–Mao–Wei Wood trine. Chen retains Wu, Yi and Gui; Yin retains Jia, Bing and Wu; Zi retains Gui. The meeting label does not remove Wealth, Resource (the role family that supports the birth-day element, often interpreted through learning and support) or Output (the role family produced by the birth-day element, often interpreted through expression and activity) components.
An incoming You year would clash with Month Mao and combine with Chen. Explain those shared participants separately. Complete membership and spring conditions do not settle dominance, transformation or favorable functions; “meeting” itself forecasts no reunion or cooperation.