Free Zi Wei Dou Shu Chart Calculator

Enter your birth date, time, place, and gender to create a Zi Wei Dou Shu chart. Review the Life and Body Palaces, 12 palaces, 14 major stars, Four Transformations, decade cycles, and declared calculation settings.

60,000+ users' choice4.8 rating

12 Palaces · Life stage & pivotal arenas

What Our Users Are Saying

All reviews and testimonials come from registered users; some have verified accounts, generated reports, or completed purchases 😊

4.8 average customer rating (1,200+ reviews)

60,000+Active Users
30,000+Detailed Reports
400,000+AI Chat Sessions
10B+AI Tokens Generated
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fy***@gmail.com
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It’s an excellent analysis that lets you objectively look at your strengths and weaknesses and make long-term plans.

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yi***@gmail.com
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ri***@gmail.com
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I was surprised by how detailed the explanation was. It was spot-on!!!

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ny***@gmail.com

Very helpful and accurate at Bazi!

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11***@qq.com
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This algorithm is really accurate! It’s a bit different from the AI reading I used before, and very detailed. Hope it keeps getting better.

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wa***@gmail.com
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It helps me understand myself better and reminds me from time to time. The website’s analysis is very thorough, and the AI features make things even clearer.

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mj***@gmail.com
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Compared with other AI systems, this one, designed specifically for fortune-telling, makes more sense, is more logical, and is easier to understand. Thanks to the creator for being so thoughtful. I hope more people get to use it.

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le***@gmail.com

It's very comprehensive and easy to use.

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vl***@gmail.com
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I've seen a lot of different AI reports, and this one is the most accurate!

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pa***@gmail.com
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yi***@qq.com
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Really accurate, and it even breaks down what to do next.

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al***@gmail.com
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Very thorough analysis, with a clear and attractive layout.

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ea***@gmail.com
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Interesting content! It's very accurate, and the explanations are detailed.

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ak***@gmail.com
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The chart analysis is simple and clear, and the AI stays really consistent even with in-depth follow-up questions!

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gu***@gmail.com

Very informative and useful for everyone.

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lo***@gmail.com
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Great, very thorough. I really liked it and found it very useful.

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bi***@icloud.com
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Super detailed! After the analysis, I understand so much more, including things I didn’t understand before!

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th***@gmail.com
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You can really feel the care that went into the website. The layout is great!

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uz***@gmail.com
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The interface is really clean and attractive, and it feels great to use.

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01***@savs.edu.tw
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The discussion was really in-depth, and the advice was very helpful.

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em***@gmail.com
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Very good, the analysis was detailed and really spot-on!

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24***@qq.com
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Very detailed. It’s really helpful for people who don’t understand Bazi terminology.

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or***@gmail.com
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It’s not like those overly serious fortune-telling readings out there that go on with a bunch of terms you can’t understand. It feels more like a private space where someone really gets you. It puts the anxiety and confusion you usually don’t know how to talk about into words, in such a gentle and empathetic way. I really felt understood.

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ma***@gmail.com
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I've used quite a few systems, and this one is really accurate!

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le***@gmail.com
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Really accurate, very similar to the reading I got at a Bazi stall.

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ei***@gmail.com
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The AI assistance makes the information very detailed and easy to understand 👍

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na***@gmail.com
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The fortune reading was incredibly precise.

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ka***@gmail.com
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This chart reading is more informative and in-depth than what you usually find elsewhere.

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st***@hotmail.com
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Not bad. I’ve read so many analyses, and hardly any of them got me right. Yours was pretty close.

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mo***@gmail.com
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The analysis was spot-on and really hit the nail on the head. Loved it!😍

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yo***@gmail.com
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Such an insightful explanation~It doesn’t label you the way traditional methods do! What I like most is that the birth chart suggests “things you can do today” and breaks down fixations or blind spots step by step. The configurations, aspects, and charts are also clear and easy to understand.

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11***@qq.com
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This website is really great. It helps me work through a lot of problems and gives me lots of advice. It’s really great!

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al***@gmail.com
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The life advice is written really well, so I no longer feel lost. This website is probably the most accurate AI website right now.

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The overall design is clean and easy to understand! The favorable elements are clearly marked. Really thoughtful.

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30***@gmail.com
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Really accurate. The details were explained thoroughly too, so it’s extremely useful as a reference.

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ta***@gmail.com
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The layout is clean and the wording is concise. The strengths and weaknesses of your personality and talents are shown in different colored fonts, so you can tell them apart at a glance.

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eu***@gmail.com
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I tried all the free readings over the past two days. It feels completely different from any other app or site I’ve used before, a totally new experience!

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la***@gmail.com
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Really accurate, especially the part about my personality 😭

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fy***@gmail.com
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Really good and accurate, just like what the fortune teller I went to told me.

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c1***@nkust.edu.tw
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Unlike the fortune-telling answers and interpretations on other websites, this helped me understand myself better. I really felt it. Great, highly recommend!

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na***@gmail.com
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It’s very accurate, and it matches my own personality, including both my strengths and weaknesses.

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a2***@gmail.com
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It’s written in such detail, and it’s easy to understand. Not complicated.

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ep***@gmail.com
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The free version is packed with information and makes you want to keep digging deeper. Thanks to the site owner for clearing things up and helping people believe in their own strength 😊

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ba***@gmail.com
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I've been using OpenFate for a while, and it's been really good. It helps answer my questions and clear things up effectively.

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The UX is pretty good, and the analysis is much more accurate than the free services online.

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The analysis was thorough and easy to follow. It was a great experience. Thanks for your hard work~

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wa***@gmail.com
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The chart reading was so accurate, I feel completely seen 😳

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a4***@gmail.com
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The analysis of my personality traits was really accurate. I kept nodding as I read it~

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li***@gmail.com
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From a free Ziwei chart to a reading you can explore

Inspect the chart first

The free chart shows twelve palaces, resident and borrowed stars, transformations and decade context. Every saved annual year appears together without recalculating the birth chart.

Twelve palaces, six annual readings

Explore each of the twelve palaces alongside six annual readings. New complete reports are checked for missing palace sections before delivery; incomplete sections are retried rather than silently omitted. Earlier saved reports remain unchanged.

One place to understand the basis

Open the reading-basis button to see saved chart structure, palace stars, annual context and valid career or wealth references. Opening this overview makes no new AI request; use the report’s deeper follow-up questions when you want to explore a conclusion further.

What the complete report covers

The complete Ziwei reading can cover up to 14 distinct layers, separating chart facts, formal pattern conditions, practical interpretation and timing instead of blending them into one generic narrative.

  • Chart core and main axis
  • Ziwei patterns and formation conditions
  • Strengths and challenges
  • Current patterns
  • Deeper insight
  • Relationships and collaboration
  • Career and resources
  • Love and intimacy
  • Grounded action
  • Current decade theme
  • Decade and annual cycles
  • Six annual readings
  • Twelve-palace readings
  • Final strategy

Twelve-palace detail, six annual readings and birth-time-dependent material appear only when the saved chart evidence supports them. Missing scope is disclosed rather than guessed, and earlier saved reports remain unchanged.

Coverage checks establish completeness, not the truth of every interpretation. The verification record separately lists calculation tests, school differences and unresolved reference fields. Birth-time range comparison and a multi-school selector are not included in these controls.

How OpenFate calculates and explains

Follow the editorial standards, shared validation process and the exact method used for this system.

What does the Zi Wei Dou Shu calculator show?

Enter your birth date, local time, place, and gender to create a free Zi Wei Dou Shu chart without signing up. Review the Life and Body Palaces, 12 palaces, 14 major stars, Four Transformations, decade and annual layers, and matches from 34 registered pattern and structure labels. The chart also shows the calculation basis; the full AI report and follow-up questions are a separate step.

What the chart includes

  • 12 palaces and 14 major stars, with the Life and Body Palaces, supporting stars, and Four Transformations in one chart.
  • 34 pattern and structure labels checked against the calculated chart, alongside palace relationships and decade and annual layers.
  • Declared calculation conventions for historical time, True Solar Time, day boundaries, lunar leap months, and the Zhongzhou school.

Best for

  • People who want a free Zi Wei Dou Shu online calculator before requesting a reading.
  • Readers comparing charts and checking whether True Solar Time, calendar, day-boundary, or school settings explain a difference.
  • Anyone who wants reproducible chart data kept separate from AI-assisted interpretation.

How a Zi Wei Dou Shu Calculator Builds a Purple Star Astrology Chart

A Zi Wei Dou Shu calculator converts birth date, time, place, and gender into 12 palaces, star placements, Four Transformations, and timing layers. A chart is easier to verify when the calendar, time correction, day boundary, year boundary, and school rules are visible.

OpenFate stores the rule-based chart before adding AI explanation. Identical birth data is likely to reproduce the same chart only when the calculation conventions also match.

Chart coverage and verification

The free chart makes the 12-palace structure, 14 major stars, Four Transformations, and matching pattern or structure labels available before an AI reading. The registered set contains 34 labels; a particular chart displays only those whose conditions match.

Focused tests cover chart construction, leap months, day boundaries, annual layers, and report contracts. The methodology page explains the scope and limits without publishing private birth data or the full internal rule and test libraries.

1. Enter the Birth Data the Chart Requires

Use the recorded birth date, local clock time, birth place, and gender. Birth place provides longitude and time-zone context; a lunar-calendar record also requires confirmation of leap-month status.

  • Birth date: identify Gregorian or lunar input and any lunar leap month.
  • Birth time: retain hours and minutes instead of converting an estimate into a fact.
  • Birth place: used for longitude, time zone, and historical clock rules.
  • Gender: included according to the calculation engine's declared Zi Wei Dou Shu rules.

2. Check the Declared School and Rulebook

The current engine declares the Zhongzhou school in the Wang Tingzhi lineage, the Wang Tingzhi Four Transformations table, a Lunar New Year boundary, and a split-leap-month convention. The page exposes the calculation basis and revision rather than presenting one convention as universal.

Zi Wei Dou Shu schools can disagree. Naming the adopted rule set makes comparison possible; it does not imply that every other school is incorrect.

3. Inspect the Calculated Palaces, Stars, and Cycles

The output shows the Life and Body Palaces, 12-palace structure, 14 major stars and other placements, Four Transformations, decade cycles, and annual cycles. These calculated fields form the evidence layer for any later chart interpretation.

4. Understand True Solar Time and Day Boundaries

True Solar Time adjusts the recorded local time using birth-place longitude and the equation of time. If the adjusted time crosses an hour boundary, hour-dependent palaces or stars may change; crossing a date boundary can affect date-dependent calculations.

OpenFate supports a 23:00 or 00:00 day boundary according to the selected setting. For births near the late Zi hour, compare the active rule before comparing interpretation text.

5. Explain Differences Between Zi Wei Dou Shu Calculators

A disagreement does not automatically prove that one calculator is wrong. Calendar conversion, leap-month handling, year boundary, historical time zone, daylight saving, True Solar Time, day boundary, school, and Four Transformations table can each change the result.

Hold the birth data constant and compare one rule at a time. Find the first difference in the Life Palace, Body Palace, 12 palaces, or major-star placements before comparing written readings.

6. Separate Chart Calculation From AI Interpretation

The engine builds the chart from birth inputs and selected rules. AI only organizes the existing palaces, stars, transformations, and cycles into readable explanations; it should not invent a birth time or silently replace a declared school rule.

Zi Wei Dou Shu is a traditional interpretive system. Reproducible chart calculations do not scientifically validate personality claims or future-event predictions.

Zi Wei Dou Shu calculator FAQ

Answers about free chart creation, required birth data, True Solar Time, calendars, day boundaries, school differences, and AI interpretation.

Is the Zi Wei Dou Shu calculator free and available without sign-up?

Yes. You can create and inspect the basic Zi Wei Dou Shu chart without signing up. AI interpretation and follow-up questions are a separate step and may require an account and reading credits.

What birth data does a Zi Wei Dou Shu calculator need?

It needs the birth date, recorded local time, birth place, and gender. If the source record uses a lunar date, also confirm leap-month status. Birth place is used to match longitude, historical time zone, and possible daylight-saving rules.

Can I calculate a Zi Wei Dou Shu chart without a birth time?

A missing birth time prevents confirmation of the hour-dependent palaces and star placements. Do not enter noon or midnight simply to obtain a complete-looking chart; preserve the uncertainty and compare plausible candidate hours.

Does True Solar Time always change the chart?

No. True Solar Time adjusts the recorded time using birth-place longitude and the equation of time. Chart fields may change only when that correction crosses an hour or date boundary used by the calculation.

Do Gregorian, lunar, and leap-month inputs affect the chart?

Yes. The calendar input must be converted correctly, including a lunar leap month when applicable. OpenFate also declares its Lunar New Year boundary and split-leap-month rule so you can compare the same convention across calculators.

Why do two Zi Wei Dou Shu calculators produce different charts?

Common causes include birth place, historical time zone or daylight saving, True Solar Time, a 23:00 versus 00:00 day boundary, lunar leap-month handling, year boundary, school, and Four Transformations table. Align the inputs and rules before comparing placements.

Does AI calculate the Zi Wei Dou Shu chart?

No. The chart engine calculates the palaces, stars, transformations, and timing layers first. AI can explain that existing output later, but it does not freely rewrite the calculated chart.

What does the 34-pattern coverage mean?

The engine checks 34 registered pattern and structure labels. This includes classical patterns and OpenFate-defined structural signals; it does not mean every chart contains 34 patterns or that all schools use identical conditions. Pattern matches support the full chart reading rather than prove a life outcome.