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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.
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Usage & Features
Charting & Algorithm Logic
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Quick Answer
This free tool requests ephemeris positions under a declared sidereal Lahiri contract, then derives the nine grahas and nakshatras, lagna and whole-sign houses, D-9/D-10 charts, Jaimini karakas, raw Sarvashtakavarga bindus, and Vimshottari periods. A separate static guide turns four chart anchors into hypotheses you can test rather than traits you must accept.
What You Get
- A complete South-Indian style chart with all nine grahas, nakshatras and padas, and whole-sign houses.
- D-9 navamsa and D-10 dasamsa shown with their derivation — each varga's own lagna, house lords, and where every lord sits.
- Raw SAV bindus plus four chart-selected observation lenses, each with a counter-signal and a reversible seven-day test.
Best For
- Anyone who wants their kundli, Moon nakshatra, or current dasha without signing up.
- Astrology learners studying how varga charts and house lords are actually derived.
- Users comparing the sidereal chart against their Western tropical chart on one platform.
How to Use a Free Vedic Birth Chart Calculator
A Vedic birth chart calculator converts your birth date, exact local time, and birthplace into a sidereal kundli. OpenFate uses the Lahiri ayanamsa and whole-sign houses, then derives the chart layers shown on the page from the same astronomical inputs.
The free chart keeps placements and derivations separate from interpretation. Its practical guide is explicitly labeled OpenFate editorial reflection, so you can inspect the calculated anchors and reject a behavioral lens that does not match reality.
What the Kundli Calculator Computes
The result includes the D-1 rashi chart, lagna, nine grahas, signs, whole-sign houses, nakshatras and padas, D-9 and D-10 divisional charts, Jaimini karakas, Sarvashtakavarga figures, and the Vimshottari dasha timeline supported by the recorded birth data.
A Beginner-Friendly Order for Reading the Chart
With a reliable birth time, start with lagna and its lord, then the Moon sign and Moon nakshatra. Review D-1 placements before using D-9 for traditional commitment themes or D-10 for traditional vocation themes, and treat the active dasha as a timing lens rather than an event guarantee.
Why Vedic and Western Charts Can Show Different Signs
This calculator uses the sidereal zodiac with Lahiri ayanamsa. OpenFate's Western birth chart uses the tropical zodiac, so the same birth can produce different sign labels even though both calculations begin with the same date, time, and place.
Why Exact Birth Time and Place Matter
Birthplace sets the timezone and geographic frame, while the recorded minute affects lagna and time-dependent layers. If time is unknown, even a planet's sign or nakshatra can cross a boundary during that civil date; the tool therefore labels retained placements as date-level estimates and suppresses unsupported house, varga, karaka, and dasha conclusions.
Vedic Chart Tool Questions
Common questions about the free Vedic chart calculator and its computation basis.
Is this chart calculated with the sidereal or tropical zodiac?
Sidereal, using the Lahiri ayanamsa. Lahiri is a widely used Indian sidereal convention and this calculator's declared setting, not the only convention in Jyotish. Placements can therefore differ from both tropical charts and calculators using another ayanamsa.
What are the D-9 and D-10 charts shown below the main chart?
They are divisional (varga) charts. In the interpretive scheme declared here, D-9 is used as a traditional lens for commitment and relationship themes, while D-10 is used for vocation and public-role themes. These are interpretive topics, not measured outcomes.
Do I need my exact birth time?
A reliable time is required for lagna, houses, varga lagnas, karakas, and the displayed dasha timeline. If time is unknown, the tool suppresses those layers and labels remaining sign and nakshatra output as date-level estimates because a boundary can occur within the day.
What is the difference between this free chart and the full reading?
The free tool includes the calculated chart, derivations, declared heuristics, and a static practical guide. The full reading adds AI synthesis, but it must preserve the same chart facts, use conditional language, and avoid invented scores or guaranteed outcomes.