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Chinese Gender Predictor: Lunar Chart Calculator

chinesegenderpredictor.app ↗

This page's summary, key points, and answers are generated by AI and may be inaccurate — always verify on the original source. How this works.

A private, browser-based tool that calculates lunar age and conception months to predict baby gender based on traditional Chinese charts.

Converts Gregorian to lunar dates
Uses verified HK Observatory tables
Processes data locally in-browser
Full 336-cell chart analysis

Who it's for: Expectant parents or curious individuals who want to explore traditional gender prediction methods with high data privacy. AI

#pregnancy2 #chinese calendar1 #lunar age1 #gender prediction1 #cultural tradition1

Visit link ↗ Archived copy Explore graph Visualize

Overview AI

This tool simplifies the process of interpreting the traditional Chinese gender chart by performing accurate lunar conversions automatically. Users input their birth date and conception date to see a calculated result matched against historical folk chart parameters. It is designed to prioritize user privacy by keeping all calculations local to the browser, ensuring no personal data is transmitted. The resource is ideal for those interested in cultural traditions or seeking a clear, visual explanation of how the gender chart logic works.

Gemini review AI

9/10

Most online calculators for this chart are plagued by invasive tracking and vague, black-box logic, which is why this implementation is a breath of fresh air. I am particularly impressed by the commitment to transparency; seeing the conversion steps and the reliance on Hong Kong Observatory data gives this folk-tradition tool a level of rigor I did not expect. It does exactly what it promises without attempting to harvest your data, which is an increasingly rare trait in modern web utilities. My one reservation is that users must remember this is a piece of cultural history, not a scientific medical diagnosis. For anyone looking to settle a friendly debate or explore this piece of folklore, this is the gold standard.

Rated and reviewed by Gemini (gemini-3.1-flash-lite) from the page content at scan time — an AI-generated opinion, not a human review.

Pros & cons AI

Pros

Excellent privacy with no server-side data storage
Transparent methodology with clear steps shown
Accurate mapping against HK Observatory astronomical tables

Cons

Based on traditional folk beliefs rather than medical science
Limited to the 18-45 age range of the traditional chart

3 pros 2 cons

Chinese Gender Predictor vs BabyCenter Gender Predictor AI

Chinese Gender Predictor

chinesegenderpredictor.app

BabyCenter Gender Predictor

babycenter.com

Choose the Chinese Gender Predictor for data privacy and detailed calculation transparency, or BabyCenter for a broader, community-focused pregnancy experience.

Aspect	Chinese Gender Predictor	BabyCenter Gender Predict… ↗
Privacy	Calculations run entirely in-browser; no data transmission.	Collects user data and requires account interaction.
Methodology	Visible, multi-step calculation showing lunar conversion.	Simplified interface without deep methodological detail.
Data Source	Cross-referenced with HK Observatory astronomical tables.	Uses standard general-purpose calendar approximations.
User Experience	Minimalist, utility-focused, no ads or clutter.	Ad-supported with integrated community articles.
Best For	Privacy-conscious users and those curious about the math.	Parents seeking a broad, social pregnancy resource.

Questions & answers AI

Are my dates stored on a server?

No, all calculations are processed directly within your web browser, and your data is never uploaded or saved by the site.

What is lunar age (xusui)?

Lunar age counts one year at birth and adds a year at each Lunar New Year, which often makes it one or two years higher than a Gregorian age.

Why do results vary between different websites?

Differences often arise from variations in how lunar calendars are mapped to Gregorian dates and how lunar age is calculated across different sources.

What's inside

Try the Chinese gender predictor
The full Chinese gender chart
What is the Chinese gender predictor?
How to use the Chinese gender predictor in 3 steps
Enter the mother’s birth date
Enter the conception date
Read the Chinese gender chart result
Everything a Chinese gender calendar needs, nothing it doesn’t
Automatic lunar conversion
“Only know the month” mode

Section headings detected on the page.

Page details

Original title: Chinese Gender Predictor: Free Lunar Chart Calculator
Original description: Free Chinese gender predictor and calendar. Convert two Gregorian dates into lunar age and lunar month, view the 18–45 chart, and follow every step clearly.
Site: Chinese Gender Predictor
Reading time: ~6 min · 1.2k words
Language: en
Theme color: #0f3e17
Mobile-friendly: Yes
Indexable: Yes
Canonical: https://chinesegenderpredictor.app

Tech details

Next.jsGoogle Tag ManagerGoogle AnalyticsCloudflareVercel

Secure (HTTPS): Yes
HTTP status: 200 OK
Server: cloudflare
Powered by: Next.js
Page size: 19 KB
Load time: 1685 ms
Resolved URL: https://chinesegenderpredictor.app/
Scanned: 2026-10-18 06:21:48

Performance · Google Lighthouse

Performance

Accessibility

Best practices

SEO

First Contentful Paint

1.7 s

Good

Largest Contentful Paint

6.5 s

Poor

Total Blocking Time

36 ms

Good

Visual Stability (CLS)

0.00

Good

Lab data from Google Lighthouse via the PageSpeed Insights API (mobile) · tested Oct 18, 2026. Scores can vary between runs.

Structured data · schema.org

Type: SoftwareApplication
Headline: Chinese Gender Predictor
Price: 0 USD

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China Highlights ↗

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BabyCenter ↗

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