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.
Two Four Pillars charts · Support, friction & shared timing
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GitHub Open SourceEach tool begins with declared inputs and deterministic rules. Birth-chart systems keep their calculated structure visible; AI explains those results without rewriting the underlying facts.
Birth details, questions, selections, or cast inputs are normalized for the relevant tool.
Each tool produces its chart, draw, cast, or core facts from its declared rules.
AI interprets the visible facts and structure without changing the deterministic inputs.
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A production-grade Bazi calculation server for Claude, Cursor, Codex, Cline, and every MCP-compatible AI agent.
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About OpenFate
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.
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.
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.
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.
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.
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.
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.
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.
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.
Answers about input data, Five Elements, Spouse Palaces, scores, unknown birth times, True Solar Time, and AI interpretation.
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.
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.
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.
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.
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.
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.
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.
