About BaziCalculator.ai

BaziCalculator.ai offers a privacy-first Bazi calculator that maps birth moments into Four Pillars and provides auditable chart facts. The tool is described for English readers and aims to make the classical system easier to inspect. It calculates the chart deterministically and can display a three-pillar reference when birth time is unknown.

The calculator processes birth details on the user’s device or server as described, applying true solar time corrections and calendrical rules, then builds the Four Pillars and related elements. Its method emphasizes where the time comes from, how it is corrected, and how the chart is derived from validated inputs before any AI explanation is added.

Main capabilities include calculating Four Pillars, Day Master, Five Elements balance, Life Chapters; showing an auditable calculation path; offering optional AI-powered readings for deeper insight; and supporting multiple languages in reports. It provides a three-pillar reference when time is unknown and shows the report and compatibility options for purchases.

Plans and pricing are listed with a free chart and paid AI readings; platforms include web access with privacy notes; integrations and limits include opt-in AI readings and private data handling policies.

Use cases

Compute Four Pillars and Life Chapters from birth data
Compare charts and generate reports

Key features

Auditable, deterministic calculation
Five Elements balance visualization
Life Chapters timing (when known)
Unknown birth time path (three-pillar reference)
AI-powered readings as an opt-in feature

Pros and cons

Pros

Calculations are auditable and grounded in calendrical rules

Free chart with no login required

Pricing

Complete chart

$0

free

Free · no account required
Calculate and inspect the structured chart facts before choosing whether to save anything.
Four Pillars, Day Master, Ten Gods, and element balance
True solar time and calculation details
Life-cycle timing and annual themes where birth time allows
With an account, save your chart and reopen its calculated facts any time.

Personal Report + Compatibility Bundle

$14.99

one-time

1 full report: work, money, relationships and life chapters
5 compatibility analyses for any two saved charts
5 focused follow-up questions about your report
Reopen your completed report in your private account

AI Master monthly

$24.99 USD / month

5 full reports every billing period
310 Chat rounds with AI Master
Remembers your background across conversations
No daily limit. Use your rounds when you need them.

Reviews

Loading reviews…

Frequently asked questions

Is the Bazi calculator really free?

Yes. Generating your Four Pillars chart is completely free, with no login required. Optional AI-powered readings are available for those who want deeper insight.

How accurate is the Bazi calculator?

Our calculator uses the tyme4ts calendar library for chart generation and applies a documented true solar time method based on the historical UTC offset, birth-city longitude, and the Equation of Time.

What if I don't know my exact birth time?

Select "I don't know my exact birth time" to see the Year, Month, and Day pillars as a reference. The Hour Pillar, exact solar-time correction, precise Luck Pillar start, and Life Chapter and annual timing are not shown because they require a known birth time.

Is Bazi the same as the Chinese zodiac?

Not quite. The Chinese zodiac (the animal of your birth year, such as Dragon or Rabbit) is just one small piece of Bazi. A full Bazi chart includes the year, month, day, and hour pillars, giving a much richer and more personalized reading than the zodiac animal alone.

What information do I need for a Bazi reading?

Enter your Gregorian birth date, recorded local birth time as accurately as available, gender for this site's Luck Pillar direction convention, and birth city selected from the search results. The city provides longitude and historical time-zone context for true solar time correction.

Can Bazi predict my future?

Bazi is best understood as a framework for understanding tendencies and timing rather than a fixed prediction of events. It highlights strengths, challenges, and recurring patterns, and it shows which elements and phases are emphasized at different points in your life. How you act on those insights is always up to you.

Alternatives to BaziCalculator.ai

Road to Offer

Road to Offer is an online case interview prep platform for consulting candidates to practice 71 McKinsey/BCG/Bain-style cases with AI feedback.

Mazelingo

Mazelingo turns pasted Japanese text into a Japanese-English mixed reading, letting Japanese speakers set how much English appears and how hard it is.

Math AI (mathai.chat)

Math AI provides step-by-step math solving from text or photos, for algebra, calculus, and word problems, with unlimited input options.

Studocu Global

A platform for accessing shared study materials globally.

53.3M

Manus

Manus is a versatile AI agent designed to transform thoughts into actions, streamlining tasks in both professional and personal settings. Its primary value lies in its ability to manage various responsibilities efficiently, allowing users to relax while it handles their to-do lists. With Manus, users can experience increased productivity and peace of mind, knowing that their tasks are being completed seamlessly.

23.1M

Rev

Rev is a leading transcription service that combines advanced AI technology with human expertise to deliver accurate and secure speech-to-text solutions across various industries. With a strong focus on confidentiality and HIPAA compliance, Rev ensures that sensitive information is protected while providing users with the ability to search, cite, and share transcripts with confidence. Its unique value lies in the ability to maintain high accuracy without sacrificing speed, making it an essential

2M