Rooster酉 · yǒu+Snake巳 · sì

Rooster and Snake Chinese Zodiac Compatibility: 82/100

Two of the three animals in the same 三合 trine. The bond is structural rather than romantic: you naturally pull in the same direction.

三合 · Three HarmoniesMetal 金 + Fire 火金局 trine

Birth years for this pairing

Rooster (酉)1969 · 1981 · 1993 · 2005 · 2017 · 2029
Snake (巳)1965 · 1977 · 1989 · 2001 · 2013 · 2025

Check your own birth year against these lists — Chinese New Year, not January 1st, is the boundary, so anyone born in January or early February belongs to the previous animal.

Rooster and Snake: Three Harmonies, scored 82

Rooster and Snake are a 三合 pairing — three harmonies — with birth elements of Metal and Fire. That combination scores 82 out of 100 on this site's model.

Rooster fixes the detail that everyone else decided was close enough. Snake watches for a long time and then acts once, precisely. Everything that works in this relationship and everything that costs comes out of that difference in instinct, filtered through the branch relation between 酉 and 巳.

The score is built from three layers, and it is worth knowing which one is doing the work: branch relation 三合 (the largest single factor), five-element interaction — Snake (火) controls Rooster (金) — the traditional 克 relation, which asks for conscious restraint rather than signalling doom. — and the yin-yang pairing, which here is both yin.

酉巳: two of the three 金局 animals

Rooster (酉) and Snake (巳) both belong to the 金局 — the Metal trine that also contains Snake and Ox for Rooster, and Rooster and Ox for Snake. In the 三合 model this is a structural alliance: three animals that hold the same elemental phase and reinforce each other's direction.

What 三合 gives you is sameness of purpose, not sameness of personality. Rooster fixes the detail that everyone else decided was close enough; Snake watches for a long time and then acts once, precisely. You are heading the same way at different speeds, which is a much better failure mode than heading different ways at the same speed.

Metal is the shared note between you, and it is worth naming explicitly: this pairing tends to build something outside itself — a household, a business, a family culture — and to be at its best when that thing exists.

For orientation: Rooster clashes with Rabbit and combines most easily with Dragon (六合) and Snake / Ox (三合); Snake clashes with Pig and combines most easily with Monkey and Rooster / Ox. Placing Rooster and Snake against those reference points is how the classical tables arrive at 三合 for this pair — the label is a consequence, not an opinion.

  • Where it is strong: Aligned direction. Under pressure you naturally reach for the same solution, which removes an entire category of argument from the relationship.
  • Where it costs: A trine can become an echo chamber. Because you agree on the fundamentals, neither of you is positioned to notice the shared mistake until it is expensive.

五行: 火克金

Rooster is Metal (金) and Snake is Fire (火). 火 controls 金 — the 克 relation, which is the most misunderstood line in the whole system.

克 does not mean "one destroys the other". It means one has a natural authority over the other's domain: fire sets the terms that metal has to work within. In a relationship this shows up as an asymmetry of permission — one of you feels entitled to overrule the other on a specific category of decision, and both of you may accept that as normal long past the point where it is.

The direction here is Snake over Rooster. Naming that out loud is most of the work. A 克 pairing that can discuss the asymmetry is often stronger than a comfortable one, because the power question gets settled instead of accumulating.

  • Rooster: Metal 金 · 酉 · yin · born 2005 / 2017 / 2029
  • Snake: Fire 火 · 巳 · yin · born 2001 / 2013 / 2025

Love and intimacy

Rooster gives affection through acts of service performed to a standard, and expecting the standard to be noticed. Snake gives it through deep exclusivity — knowing the parts of you that are not for public use. These are different currencies, and the standard mistake in this pairing is deciding the other person is not trying when in fact they are paying in a denomination you have not learned to read.

Rooster needs competence it can rely on and appreciation it does not have to request. Snake needs loyalty that has been tested rather than assumed. Both are legitimate, neither is negotiable, and the relationship works to exactly the degree that both get met without one being permanently deferred.

Rooster feels loved when someone who notices the effort nobody else saw. Snake feels loved when someone who stays after seeing the difficult part. If you remember one thing from this page, make it those two sentences — they are the operating manual, and they are never the same sentence twice.

Communication and conflict

Rooster speaks in explicit, orderly, and unafraid to correct a factual error mid-sentence. Snake speaks in measured speech that discloses roughly a third of what it has worked out. When things are good this is interesting; when things are hard, the same difference is why the two of you can argue about one thing for years without either person feeling heard.

Under pressure Rooster produces evidence and waits for the record to be corrected. Snake goes still and silent, and remembers exactly what was said. Neither response is manipulation — both are protective reflexes. But they are incompatible reflexes, and left alone they form a loop neither of you chose.

Rooster hates being called a nag for caring about accuracy. Snake hates being handled, or being told it is being dramatic. Read those two lines against the paragraph above and you will recognise most of the arguments you have already had.

Where it breaks

A trine can become an echo chamber. Because you agree on the fundamentals, neither of you is positioned to notice the shared mistake until it is expensive.

The specific failure is cumulative rather than dramatic. A small mismatch gets tolerated, then normalised, then defended, and by the time it is raised the conversation is no longer about the original thing. With Rooster and Snake, the mismatch is visible from the first month and simply goes unaddressed because neither of you wants to be the one who names it.

A bad week reveals the reflex. Rooster deals with it by doing something. Snake deals with it by going quiet. Each method looks, from the outside, like not caring.

What makes it last

Deliberately keep one person in your life who is not in this trine — someone whose instinct is different from both of yours — and actually listen to them on the big decisions.

Unspoken hierarchy. The controlling side stops asking; the controlled side stops raising. By the time it surfaces it has years of precedent behind it.

The rest is unglamorous and it works: say the appreciation out loud when it occurs, keep one domain where each of you is unambiguously in charge, and treat the recurring argument as a shared problem rather than a scoreboard. Rooster and Snake do not need to become more alike. They need a division of labour that uses the difference instead of renegotiating it every week.

  • Give Rooster a domain where its instinct is an asset rather than a problem.
  • Give Snake the same, and never trade the two domains as leverage.
  • Agree in advance on what the recurring fight is actually about, so it can be recognised while it is happening.

Frequently asked

Are Rooster and Snake compatible in Chinese astrology?
They form a 三合 pairing (three harmonies) and score 82/100: 三合 contributes the largest share, then the five-element relation (Metal and Fire — one controls the other), then the yin-yang pairing. The score describes the starting conditions, not the outcome.
What does 三合 mean for Rooster and Snake?
Both belong to the 金局 (Metal trine: Snake · Rooster · Ox). 三合 is a structural alliance — the same elemental phase pulling in the same direction — rather than a romantic bond.
Does the birth year element change the reading?
Yes, and this page already accounts for it. Rooster is Metal and Snake is Fire by 本命五行, the element of the birth-year branch. Snake (火) controls Rooster (金) — the traditional 克 relation, which asks for conscious restraint rather than signalling doom. Two people with the same animal sign but different heavenly stems can therefore have genuinely different relationships — a Wood Dragon and a Fire Dragon are both Dragons, and they are not the same partner.
What is the best way to work with a difficult pairing?
Deliberately keep one person in your life who is not in this trine — someone whose instinct is different from both of yours — and actually listen to them on the big decisions. Beyond that, the two non-negotiables are stated needs — Rooster needs competence it can rely on and appreciation it does not have to request, Snake needs loyalty that has been tested rather than assumed — and a shared rule that the recurring argument is a problem you are both against, not a position you are both defending.
Does this apply to every Rooster–Snake couple, whatever the birth year?
The branch relation does, but the reading is not uniform. The birth-year branch fixes the animal and the 本命五行, while the heavenly stem above it varies — a Wood Rooster and a Fire Rooster are both Rooster and are not the same partner. Here Rooster is Metal and Snake is Fire, which is why this page scores 82 rather than the flat figure a sun-sign-style table would give every Rooster–Snake couple. For the individual reading, the full Four Pillars are what matter — the animal layer is the first filter, not the verdict.

What the animal layer cannot tell you

Everything here is read from the two birth-year branches. That is the first filter, not the verdict: the heavenly stem above each animal changes the element, the day pillar changes the self, and the spouse palace decides how a person actually behaves inside a marriage. A 六冲 animal pair with a compatible day pillar can run more smoothly than a 六合 pair whose day pillars clash.

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Rooster with the other animals

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