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Bazi Compatibility Calculator | Five Elements & Day Masters

Bazi compatibility: Five Elements, Day Masters, Ten Gods, branch links, and timing for commitment, shared duties, and conflict repair. Chart facts stay separate from interpretation.

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Two Four Pillars charts · Support, friction & shared timing

What does the Bazi compatibility calculator compare?

OpenFate first calculates two separate Four Pillars charts from the birth details provided. It then compares Five Elements balance, the bridge between both Day Masters, Spouse Palace and spouse-star patterns, Heavenly Stem and Earthly Branch interactions, structural balance, timing signals, and data confidence. These traditional indicators organize questions about support and friction; they do not prove whether a relationship will succeed.

What the analysis gives you

  • Two independently calculated charts before any compatibility interpretation is added.
  • Separate signals for elemental complement, Day Master dynamics, Spouse Palaces, spouse stars, stem-branch interactions, structure, timing, and friction control.
  • An evidence-led report that shows supporting, conflicting, and uncertain signals instead of reducing the relationship to a single verdict.

Who this page is for

  • Couples who want a structured Bazi marriage compatibility reading based on both birth charts.
  • Readers comparing a broad match score with the chart factors that produced it.
  • People with an unknown or uncertain birth time who need the report to show which conclusions become less reliable.

Bazi compatibility analysis: from two charts to marriage themes

A useful Bazi compatibility analysis begins with two separately calculated charts, not an AI guess about a couple. Birth data produces the pillars and element relationships; the marriage interpretation is a later traditional layer that should remain traceable to those chart facts.

The goal is not to label two people as compatible or incompatible. It is to identify where the selected rules show support, friction, mixed evidence, or uncertainty, and then turn those themes into questions that can be checked in the relationship itself.

Calculate both Four Pillars charts before comparing them

Each person needs an independent chart built from the supplied date, time, place, time basis, and date-boundary rules. Keeping those inputs visible makes disagreements between calculators easier to diagnose and prevents the compatibility explanation from silently changing the underlying pillars.

Read Five Elements and Day Masters as a relationship pattern

Five Elements complement and the relationship between both Day Masters can describe traditional patterns of support, demand, control, or depletion. Balance does not mean that both charts must look identical, and one favorable interaction cannot cancel every other source of friction.

Add Spouse Palaces, spouse stars, stems, and branches

Within the Day Pillar, the Day Branch is commonly read as the Spouse Palace. Spouse-star roles come from traditional Ten Gods conventions. Heavenly Stem and Earthly Branch interactions add another layer. These indicators should be read together. They are symbolic rules, not facts about gender, fidelity, or a partner’s private intentions.

Keep structure, timing, and confidence separate

Structural balance describes the natal relationship between the two charts; timing signals add a separate layer. Missing birth time, unresolved location data, or a boundary-sensitive birth should widen uncertainty. A strong-looking score with low confidence should never be presented as a precise answer.

Turn traditional signals into observable relationship questions

Use support and friction themes to ask concrete questions: Are responsibilities mutual? Do conflict and repair happen safely? Are expectations about money, family, commitment, and boundaries explicit? The charts can organize reflection, but present behavior, consent, and professional advice remain the evidence for consequential decisions.

What does bazi compatibility actually compare?

The Bazi comparison reads Five Element balance, both Day Masters, Ten Gods roles, Day Pillars, Heavenly Stem and Earthly Branch interactions, chart structure, and luck-cycle timing. An unknown Hour Pillar or a birth close to a time boundary lowers confidence instead of being guessed.

For marriage, the useful questions concern day-to-day responsibility, money, family expectations, intimacy and consent, conflict repair, and whether long-term commitments are matched by behavior.

  • Verify each Four Pillars chart, time zone, day boundary, and True Solar Time setting before comparing the pair.
  • Read element flow, Day Master demands, Ten Gods roles, and stem-branch combinations or clashes together rather than isolating one favorable sign.
  • Keep natal structure, current luck cycles, and data confidence in separate layers so timing does not overwrite the base charts.

How should you use bazi compatibility in a marriage decision?

Once the chart evidence is clear, bring it back to observable choices in the marriage decision.

Treat symbolic patterns as prompts for a conversation, not proof of motives, compatibility, safety, competence, or future outcomes. Decisions should rest on consent, conduct, records, and appropriate professional advice.

  • Are responsibilities, finances, and family boundaries explicit?
  • Can both people disagree, repair harm, and change a pattern safely?
  • Do promises about commitment, intimacy, and shared plans match repeated actions?

How this compatibility report is calculated and checked

See what the engine calculates for both charts, which conventions are fixed, what every paid report must pass before it is saved, and what the report cannot claim.

Read the method

Bazi compatibility questions

Answers about input data, Five Elements, Spouse Palaces, scores, unknown birth times, True Solar Time, and AI interpretation.

What information does a Bazi marriage compatibility calculation need?

It uses the birth date, birth time, and birthplace supplied for each person. These details determine the two Four Pillars charts, including time zone and date-boundary handling. If a birth time is unknown, say so rather than entering a guessed hour.

Which parts of the two charts are compared?

The analysis can compare Five Elements balance, both Day Masters, each Spouse Palace and spouse-star pattern, Heavenly Stem and Earthly Branch interactions, structural balance, timing overlap, and the confidence supported by the available data. No single factor determines the whole result.

Is the compatibility score a probability that the marriage will succeed?

No. The score summarizes how the selected traditional rules align or conflict; it is not a measured probability, a scientific forecast, or advice to marry or separate. Read the supporting and friction signals underneath it, then compare them with consent, behavior, safety, and communication in the real relationship.

Can I use the calculator if one birth time is unknown?

Yes, but the report should lower confidence where the hour pillar, date boundary, or timing interpretation depends on that missing information. An honest unknown-time result is more useful than a precise-looking chart built from a fabricated noon or midnight time.

Does OpenFate use True Solar Time?

When the birthplace and required location data can be resolved, the calculation can account for True Solar Time. The report should keep the selected time basis visible because time-zone, longitude, and day-boundary rules can change a chart near a boundary.

How is this different from the one-person Bazi love analysis?

The love analysis reads relationship themes from one person’s chart. This Bazi compatibility calculator calculates and compares two charts. Neither page can read another person’s thoughts, guarantee a soulmate, or replace what both people say and do.

What does AI do in the compatibility report?

AI explains the chart factors already produced by the deterministic compatibility engine. It should not recalculate pillars, invent a missing birth time, or add unsupported relationship facts. You can check each interpretation against the chart evidence shown in the report.