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Interesting content! It's very accurate, and the explanations are really detailed.
Deterministic logic first. AI explanation next.
Each 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.
How a result is produced
3 steps- Structured inputs
Birth details, questions, selections, or cast inputs are normalized for the relevant tool.
- Rules engine first
Each tool produces its chart, draw, cast, or core facts from its declared rules.
- AI explanation
AI interprets the visible facts and structure without changing the deterministic inputs.
Core analysis journeys
Bazi Analysis
Review the calculated Bazi chart and keep traditional interpretation separate from real-world evidence.
Ziwei Dou Shu
Review the 12 palaces, major stars, Four Transformations, and decade cycles while keeping chart facts separate from interpretation.
Astrology
Inspect reproducible chart placements and keep the interpretive layer separate from personality, relationship, career, or event facts.
Combined Reading
Compare 2-3 independently calculated systems axis by axis. Similar themes add perspective but do not establish empirical reliability.
Vedic Astrology
Separate calculated placements, traditional varga topics, and dasha periods from bounded AI reflection for relationships, work, and current choices.
Human Design
Use one deterministic chart to understand your decision mechanics, stable energy, conditioning patterns, and practical application at work and in relationships.
Sukuyo Reading
Use one frozen birth-mansion profile to explore traditional themes and their practical application without turning symbolism into certainty.
More ways to begin
Six oracles. One clear place to begin.
Compare Tarot, Meihua I Ching, Liu Yao, Lenormand, Qimen Dunjia, and Guanyin lots by how each begins and what it helps you examine. Every method shows its fixed result before any optional AI reading.
Independent experiences
BZTI Archetype
Generate a Bazi archetype card and inspect chart-signal consistency; the result is reflection, not diagnosis or measurement.
Huangli
Look up Huangli fields while keeping calendar data separate from traditional interpretation.
Daily Fortune
Compare symbolic daily themes and time windows, then verify real conditions before acting.
OpenFate Editorial
From core concepts to practical interpretation
Editorial research on Bazi, relationships, wealth, annual timing, and Eastern metaphysics.
Open Source · MCP · Agent Skill
OpenFate Bazi MCP Server
A production-grade Bazi calculation server for Claude, Cursor, Codex, Cline, and every MCP-compatible AI agent.
npx -y @openfate/bazi-mcp
Frequently Asked Questions
Everything you need to know about reports, credits, and how it works.
Credits & Account
Usage & Features
Charting & Algorithm Logic
Technical & Developers
Troubleshooting
Privacy & Legal
About Me
Quick Answer
OpenFate converts a Gregorian birth date through a disclosed, frozen JST old-calendar convention, derives one of 27 birth mansions, and keeps that calculation separate from the paid narrative.
What You Get
- A frozen birth-mansion profile with an auditable derivation.
- Practical themes for decisions, work, boundaries, and relationships.
- Watchouts and actions framed as reflection rather than guaranteed outcomes.
Best For
- People who know their birth date but not their birth time.
- Readers who want the traditional structure without a fabricated score.
- Anyone comparing symbolic themes with lived experience.
How a Sukuyo Reading Separates Calculation From Interpretation
Sukuyo uses a Japanese old-calendar date to assign one of 27 birth mansions. The calendar rule must be fixed before any symbolic interpretation begins.
OpenFate shows the computed mansion and method for free, then treats advice as an interpretive layer that can be tested rather than a promised outcome.
Calculate the Old-Calendar Date First
New moons, principal solar terms, leap months, and the JST civil date determine the old-calendar month and day. A Chinese UTC+8 lunar-calendar result is not automatically interchangeable.
Derive the Mansion Deterministically
Each lunar month has a fixed day-one mansion. Advancing by the lunar day yields the birth mansion in the canonical 27-mansion cycle; an AI model never chooses it.
Keep Every Theme Tied to One Profile
The reading starts from one frozen birth-mansion profile. Interpretive themes may organize questions about habits, work, and relationships, but they cannot change the calculated mansion or invent missing birth facts.
Use the Narrative as Reflection
Traditional themes can organize questions about habits, work, and relationships, but they are not scientifically validated predictions or substitutes for medical, legal, financial, or mental-health advice.
Sukuyo Reading Questions
Common questions about the calendar, birth time, and the boundary between facts and interpretation.
Is Sukuyo the same product as Vedic astrology?
No. OpenFate presents Japanese Sukuyo as an independent system with its own old-calendar and 27-mansion rules.
Does the calculation need a birth time or city?
No. This calculation uses the recorded Gregorian date only, with no hidden 3 a.m. rollover.
Why is the paid report separate from the calculator?
The birth-mansion calculation remains free. Payment covers structured interpretation and practical application, not access to the formula.