The Six Clashes and What They Actually Do
子午, 丑未, 寅申, 卯酉, 辰戌, 巳亥 — the six opposition pairs, why they are not simply bad, and how to read them in a chart.
The six clashes (六冲) are the six pairs of branches that sit directly opposite each other in the twelve-position cycle. They are the most feared relationship in popular Chinese astrology and the most misrepresented, because a clash is not a verdict — it is a description of movement.
Read properly, clash pairs are the most useful tool in the system for explaining why some periods of a life accelerate and others stall.
The six pairs
Zi and Wu clash — midnight against noon, midwinter against midsummer. Chou and Wei clash — the two earth storage branches of winter and summer. Yin and Shen clash — spring wood against autumn metal. Mao and You clash — the same opposition one position along. Chen and Xu clash — the spring and autumn earth vaults. Si and Hai clash — fire against water.
The pattern is structural: each pair is six positions apart in the twelve-cycle, which by construction puts opposite seasons and opposite elements against each other.
What a clash is not
A clash is not a curse, and it is not an event. Popular readings treat a clash between a person's sign and the current year as a warning of misfortune, but that reading uses one position out of eight and ignores the chart's own balance.
The more accurate description is friction: two forces pulling in genuinely different directions. Whether that friction produces movement or damage depends on whether the chart has somewhere for the energy to go.
Clashes between branches inside a chart
A clash between the day branch and the month branch describes a life where the private self and the working self are pulling apart. A clash between the year branch and the hour branch puts early context against late outcome — often read as someone whose adult direction contradicts everything they were raised towards.
The classical associations for the six pairs are specific: Zi-Wu with abrupt change and instability of direction, Yin-Shen with travel and relocation, Si-Hai with sudden change of plan, Chen-Xu with the opening of the storehouses, Chou-Wei with territorial disputes, and Mao-You with unresolved standards.
Why clashes can be useful
A clash moves something that was stuck. In a chart with an over-full element the clash is often the mechanism that releases it, and in a chart with a dormant storehouse the clash is what opens it. Several classical readings treat clash as necessary rather than harmful when the chart is congested.
This is why practitioners trained properly do not substitute one word for a whole reading. A clash between two branches is a fact; whether it is productive depends on the day master, the season and what the chart actually needs.