Branch Interactions — Clashes, Combinations, and Penalties
Earthly Branches don't just sit quietly in their pillars—they pull, collide, bond, and grind against one another. These reactions, grouped under the old Korean term 형충회합 (Combinations 合, Clashes 沖, Punishments 刑, and Harms 害), are the chemistry that turns a static list of characters into a living chart. None of them is automatically good or bad. Each is texture: a change in how the energy of a branch behaves once it meets a partner.
Combinations (合) — Energies That Merge
A combination is a bond. When two or more branches lock together, their individual identities soften and they start acting as a unit—often leaning toward a single element.
Six Combinations (六合) — Paired Bonds
Two branches meet and lean toward a new element:
- Zi (子) · Chou (丑) → Earth
- Yin (寅) · Hai (亥) → Wood
- Mao (卯) · Xu (戌) → Fire
- Chen (辰) · You (酉) → Metal
- Si (巳) · Shen (申) → Water
- Wu (午) · Wei (未) → Fire or Earth
Six Combinations stabilize. They quiet the two branches down and tie them together. In a natal chart, they often signal cooperative instincts and smooth relating—but a bond can also mean an element gets "tied up" and stops doing its normal job, so context matters.
Three Harmonies (三合) — Triple Alliance
Three branches unite into one powerful elemental frame:
- Yin (寅) · Wu (午) · Xu (戌) → Fire Frame
- Si (巳) · You (酉) · Chou (丑) → Metal Frame
- Shen (申) · Zi (子) · Chen (辰) → Water Frame
- Hai (亥) · Mao (卯) · Wei (未) → Wood Frame
This is the strongest combination. When all three are present, the resulting element floods the chart. Even two of the three (a "half frame") pull in that direction and are completed the moment the third branch arrives in a luck cycle.
Directional Combinations (方合) — Seasonal Alliance
Three branches of the same season gather and maximize that season's element:
- Yin · Mao · Chen → Spring, Wood
- Si · Wu · Wei → Summer, Fire
- Shen · You · Xu → Autumn, Metal
- Hai · Zi · Chou → Winter, Water
Where a Three Harmony transforms toward one element, a Directional Combination concentrates an already-seasonal energy into a dense block.
Clashes (沖) — Direct Collision
Opposite branches sit across the compass and smash into each other:
- Zi (子) · Wu (午)
- Chou (丑) · Wei (未)
- Yin (寅) · Shen (申)
- Mao (卯) · You (酉)
- Chen (辰) · Xu (戌)
- Si (巳) · Hai (亥)
A clash means movement, friction, and sudden shifts—relocations, job changes, breakups, breakthroughs. It shakes whatever it touches loose. That is not inherently bad: when a clash disturbs a harmful element, it can clear the path for something better. When it hits a favorable one, the same year can feel unstable.
Punishments (刑) — Grinding Friction
Punishments are quieter than clashes but wear on you over time, like sand in a gear:
- Yin (寅) · Si (巳) · Shen (申): Ingratitude Punishment
- Chou (丑) · Xu (戌) · Wei (未): Power Punishment
- Zi (子) · Mao (卯): Discourtesy Punishment
Punishments surface as persistent relationship strain, legal or bureaucratic entanglement, or slow-building health stress. They often ask for adjustment rather than dramatic action.
Breaks and Harms (破 · 害) — Minor Frictions
Breaks (破) and Harms (害) are the subtler layer—small snags, petty resentments, minor obstructions that rarely dominate a chart but color the mood. They are worth noting once the bigger interactions are mapped, not before.
Why It Matters for Timing
These interactions appear in two places: between the fixed branches of your natal chart, and between a natal branch and an incoming luck-cycle or annual branch. The second is where timing lives.
Say your chart holds Shen (申) and Zi (子)—a half Water frame. In a year that brings Chen (辰), the frame completes and Water surges for that whole period; if Water is your useful element, that year tends to flow. Or say your Day branch is Wu (午). When a Zi (子) year arrives, the Zi–Wu clash lights up your Day pillar—often a year of moving, switching roles, or ending and restarting a relationship. The clash doesn't decide the outcome; it decides that something moves.
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Branch interactions reveal the living relationships between the characters in your Saju chart—not verdicts, but texture. Curious which combinations, clashes, and punishments are already woven into yours? Check it out at Saju Analysis.