Xuanzhang

BaZi Marriage Compatibility

BaZi Marriage Compatibility

BaZi compatibility tool coming soon

Two Four-Pillars charts side by side — read your marriage and relationship fit through Five-Element interactions, useful-god complementarity, and zodiac harmony.

Try Zi Wei synastryLearn about BaZi

What is BaZi marriage compatibility?

BaZi marriage compatibility (he hun) is a traditional Zi Ping practice for assessing how two people match, placing both Four Pillars charts (Year, Month, Day, Hour) side by side. It centers on the Five-Element interactions of the Day Masters, whether each side's useful god complements the other, and the harmony or clash between the Year-branch zodiac signs. It is not fatalistic superstition but a way to understand complementarity and friction through the balance of Five-Element energies.

Four dimensions

Day Master interactions

Compares both Day Masters (Day-pillar stems) — a generating relationship signals harmony and support, a controlling one signals tension, revealing the baseline energetic fit.

Useful-god complementarity

Checks whether one person's useful god (the element the chart most needs) is the element the other's chart is strong in — mutual complementarity is the key auspicious sign in he hun.

Zodiac harmony & clash

Reads Year-branch zodiac signs for six-harmony and three-harmony (auspicious) versus punishment, clash, and harm (needing mediation) — the most commonly cited folk factor.

Ten Gods structure

Uses the Ten Gods (Direct Officer, Seven Killings, Direct/Indirect Wealth, etc.) to read each side's role and needs in a relationship and their long-term rapport.

The BaZi compatibility tool is coming soon

xuanzhang's BaZi marriage-compatibility AI is in development — like Zi Wei, the chart will be cast deterministically with lunar-javascript and AI will only interpret it. Until then, try our live Zi Wei synastry to read your fit across friendship, love, and career.

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About BaZi marriage compatibility

Five-Element interactions × useful-god complementarity × zodiac harmony

Is BaZi marriage compatibility superstition?

BaZi compatibility is a systematic Five-Element method, not random divination. It rests on deterministic stem-branch casting (the same birth time yields the same chart) and reads two people's energetic balance through Five-Element interactions and useful-god complementarity. It offers guidance on character and relational tendencies, not a predetermined verdict.

How is it different from Zi Wei synastry?

BaZi compatibility centers on Five-Element stem-branch interactions, useful-god complementarity, and zodiac harmony, traditionally focused on marriage. Zi Wei synastry centers on stars and the twelve palaces, covering friendship, love, and career. BaZi leans on elemental energy, Zi Wei on palace-and-star imagery — they complement each other.

What information does it need?

Both people's birth year, month, day, and hour (the hour sets the Hour pillar and affects the useful-god reading). Birth place helps with true-solar-time correction. The more accurate the data, the more reliable the analysis.

Does a zodiac clash mean we're incompatible?

No. A zodiac clash is only one dimension; Day Master interactions and useful-god complementarity matter too. Many clashing pairs get along well thanks to elemental complementarity. Judging fit by zodiac alone is an oversimplification.

When will the tool launch?

xuanzhang's BaZi compatibility AI is in development. The chart will be cast deterministically with lunar-javascript and AI will interpret the Five-Element and useful-god complementarity. Until launch, try the live Zi Wei synastry.

How can I compare charts now?

Try xuanzhang's live Zi Wei synastry — enter two people's birth details and AI instantly compares your Zi Wei charts across friendship, love, and career, with a one-time US$4.99 (HK$28) permanent unlock.