Lunar Age Calculator
Traditional Gender Chart

Chinese Age Calculator
Gender Predictor

Predict your baby's gender using the ancient Chinese Gender Chart with automatic lunar age conversion.

Our chinese age calculator gender predictor converts your Gregorian dates to chinese lunar age and cross-references the traditional Qing Dynasty chart. Free chinese baby gender calculator with instant results.

Chinese Gender Predictor Calculator

Enter the mother's birth date and the conception date to predict baby's gender using the traditional Chinese gender chart.

Enter details to predict

Based on the traditional Qing Dynasty Chinese Gender Chart

What Is the Chinese Gender Predictor Chart?

The Ancient Origins of the Chinese Gender Chart

The Chinese gender predictor, also known as the Chinese Gender Calendar or Chinese Birth Chart, is a traditional method for predicting a baby's gender based on the mother's lunar age at conception and the lunar month of conception. Legend traces it back to the Qing Dynasty (1644–1912), where it was reportedly discovered in a royal tomb near Beijing. The chart was originally used by the imperial family to plan succession and determine the gender of heirs before birth.

How the Chart Was Preserved

The original chart was said to be painted on a parchment and stored in the Forbidden City. Copies eventually spread to common households across China, Korea, and Vietnam. Today, it remains one of the most popular folk methods for baby gender prediction in East Asia and around the world.

Why People Still Use It

Despite modern ultrasound and DNA-based gender testing, the chinese age calculator gender predictor remains popular because it is free, instant, and requires no medical procedure. Many parents use it for fun during early pregnancy or when planning conception. Its cultural significance keeps it alive in family traditions and baby showers.

How the Chinese Gender Predictor Calculator Works

Step 1: Convert the Mother's Age to Lunar Age

The chinese lunar age calculator determines the mother's age on the lunar calendar at the time of conception. In the traditional Chinese system, you are considered 1 year old at birth, and your age increases by one on each Lunar New Year — not on your birthday. This means your lunar age is typically 1 or 2 years greater than your Gregorian age.

Formula: Lunar Age = (Current Lunar Year − Birth Lunar Year) + 1. If born before the Lunar New Year, subtract one from the birth lunar year.

Step 2: Determine the Lunar Month of Conception

The conception date is converted to its corresponding lunar month. The lunar calendar has 12 months of approximately 29.5 days each, totaling ~354 days per year. Our chinese gender predictor calculator automatically handles this conversion, accounting for the shifting dates of the Lunar New Year each year.

Step 3: Cross-Reference the Gender Chart

Once the mother's lunar age and the lunar month of conception are determined, the two values are cross-referenced on the Chinese Gender Chart. The intersection of these two data points reveals the predicted gender — boy or girl. The chart covers lunar ages 18–45 and lunar months 1–12.

Understanding Lunar Age for the Chinese Gender Chart

+1

Age at Birth

You start at age 1 in the lunar age system, not 0 as in the Western system.

+1

New Year Increment

Everyone gains a year on Lunar New Year, regardless of their actual birthday.

354

Lunar Year Days

The lunar year is about 11 days shorter than the solar year, shifting dates annually.

Why Lunar Age Matters for Gender Prediction

The Chinese Gender Chart is fundamentally built on the lunar age system, not the Gregorian calendar. Using your Western age instead of your lunar age will produce an incorrect prediction. A chinese lunar age calculator is therefore essential before consulting the chart. For instance, a 28-year-old woman in Gregorian age might be 30 in lunar age — a difference that completely changes the chart's prediction outcome.

Looking for your age in the Islamic calendar? Try our Islamic Lunar Age Calculator — it converts your Gregorian birth date to the Hijri calendar automatically.

Chinese Gender Chart — Quick Reference Table

Below is a simplified view of the chinese gender prediction chart for common lunar ages. Find the mother's lunar age (left column) and the lunar month of conception (top row) to see the predicted gender.

Lunar Age 1 2 3 4 5 6 7 8 9 10 11 12
18 GirlGirlBoyBoyBoyGirlBoyGirlGirlGirlBoyBoy
20 BoyGirlBoyGirlGirlBoyGirlBoyGirlGirlGirlGirl
22 GirlBoyGirlBoyBoyGirlBoyGirlBoyBoyBoyBoy
24 BoyGirlBoyBoyGirlBoyBoyGirlGirlGirlGirlGirl
26 BoyGirlBoyGirlGirlBoyGirlBoyGirlGirlBoyGirl
28 BoyGirlBoyGirlGirlGirlBoyGirlBoyGirlBoyBoy
30 BoyGirlGirlGirlGirlGirlGirlGirlGirlBoyGirlBoy
32 BoyGirlGirlGirlGirlGirlGirlGirlGirlGirlBoyGirl
34 BoyGirlBoyGirlGirlGirlGirlGirlGirlGirlGirlBoy
36 BoyGirlBoyGirlGirlGirlGirlGirlGirlGirlBoyBoy
38 GirlBoyGirlBoyBoyGirlBoyBoyGirlBoyGirlBoy
40 BoyGirlBoyGirlGirlBoyGirlBoyGirlBoyBoyGirl
42 GirlBoyGirlBoyBoyGirlBoyGirlBoyGirlBoyGirl
44 BoyGirlBoyGirlGirlBoyGirlBoyGirlBoyGirlBoy
45 GirlBoyGirlBoyGirlBoyGirlBoyGirlBoyGirlBoy

G = Girl, B = Boy. Full chart covers lunar ages 18–45. Use the calculator above for precise results.

How Accurate Is the Chinese Gender Predictor?

What Studies Say

Scientific evaluations of the chinese gender chart show accuracy rates close to 50% — essentially the same as random chance. A 2010 study published in the Journal of the Korean Medical Association tested the chart against actual birth records and found no statistically significant predictive power.

Bottom Line: The Chinese Gender Chart is a fun cultural tradition, not a medical or scientific tool. Always consult a healthcare provider for reliable gender determination.

Why Some Believe It Works

Anecdotal success stories keep the chart popular. When predictions align with the actual outcome, people remember and share those cases, while misses are forgotten — a classic example of confirmation bias. Additionally, some families follow chart-guided conception timing so closely that they may subconsciously influence other factors affecting the outcome. The chinese baby gender predictor remains a beloved cultural tradition regardless of its scientific validity.

Cultural Significance of the Chinese Gender Chart

CN China: The Chart's Birthplace

In China, the gender chart is deeply intertwined with family planning traditions. Historically, a preference for male heirs made the chart especially important in rural communities. Today, it's used primarily for entertainment and cultural continuity, especially during pregnancy celebrations.

KR Korea: Gender Prediction Customs

Korean families have their own folk methods for gender prediction, but the Chinese chart has been widely adopted. It's common for Korean grandmothers to consult the chart alongside the traditional "dream interpretation" method (태몽, taemong) for predicting a baby's gender.

VN Vietnam: "Bảng Dự Đoán Giới Tính"

Vietnamese families use the chart alongside the "Kim Lau" age system for marriage and family planning. The gender prediction table is often printed in traditional almanacs (Lịch Âm) distributed during the Lunar New Year.

🌍 Global Popularity

The chinese baby gender calculator has gone viral globally, appearing in parenting blogs, baby apps, and YouTube videos across every continent. It's a staple at baby showers worldwide and remains one of the most searched gender prediction tools on the internet.

Other Traditional Gender Prediction Methods

Mayan Gender Predictor

The Mayan method compares the mother's age at conception and the year of conception. If both are odd or both are even, the prediction is a girl; if one is odd and the other even, it predicts a boy.

Ramzi Method

Based on the placenta's location in early ultrasound (6–8 weeks). Left-side placenta suggests a girl, right-side suggests a boy. Some small studies support this, but it's not widely validated.

Nub Theory

Analyzes the angle of the genital tubercle in 12–14 week ultrasound images. An angle greater than 30 degrees suggests male; less than 10 degrees suggests female. Requires trained interpretation.

Common Mistakes When Using a Chinese Gender Predictor

Using Gregorian Age Instead of Lunar Age

The most common error. The chart is built on lunar age, so using your Western age will almost certainly produce a wrong result. Always use a chinese lunar age calculator first.

Wrong Conception Month Calculation

Many people use the Gregorian month of conception directly. The chart requires the lunar month, which can differ significantly from the calendar month — especially for dates in January and February.

Treating It as Medically Accurate

The chinese gender prediction chart is a folk tradition with no scientific basis. Relying on it for important decisions about your pregnancy or family is not recommended.

Confusing Conception Date with Due Date

The chart requires the date of conception, not the expected due date. Conception typically occurs about 266 days before the due date, or roughly 2 weeks after the last menstrual period.

Chinese Gender Predictor — Frequently Asked Questions

What is a chinese age calculator gender predictor?

A chinese age calculator gender predictor is a tool that combines the mother's lunar age at conception with the lunar month of conception to predict a baby's gender using the traditional Chinese Gender Chart. It converts Gregorian dates to lunar dates automatically and cross-references the chart for you.

How do I calculate my lunar age for the gender chart?

Your lunar age is typically your Gregorian age plus 1 or 2 years, depending on whether you were born before or after the Lunar New Year. You start at age 1 at birth and gain a year every Lunar New Year. Our calculator handles this conversion automatically.

Is the Chinese gender chart accurate?

Scientific studies show the Chinese Gender Chart has about 50% accuracy — equivalent to random chance. It's a cultural tradition intended for entertainment, not a reliable medical tool. For accurate gender determination, consult an ultrasound or NIPT (Non-Invasive Prenatal Testing).

Can I use the chart to plan my baby's gender?

While some families try to time conception based on the chart, there is no scientific evidence that this works. The gender of a baby is determined by the sperm's chromosome (X or Y) at fertilization, which is a 50/50 chance in natural conception.

What's the difference between the Chinese gender chart and the Mayan gender predictor?

The Chinese chart uses the mother's lunar age and lunar month of conception, while the Mayan method compares the mother's age at conception (in Gregorian years) with the year of conception. If both are odd/even → girl; if different → boy. Neither method has scientific validation.

Why does my lunar age change depending on the date I check?

Because lunar age increases on the Lunar New Year (not your birthday), your lunar age can be different depending on whether the Lunar New Year has passed in the current year. This is why the conception date matters — it determines which lunar year and lunar month you fall into.

Does the chinese baby gender calculator work for IVF pregnancies?

The chart was not designed for IVF, and the conception date in IVF is known precisely (the transfer date or retrieval date). You can still use it for fun by entering the known conception date, but it has no bearing on the actual outcome of an IVF pregnancy.

What is the original Chinese Gender Chart?

The original chart is said to have been discovered in a tomb near Beijing over 700 years ago during the Qing Dynasty. It was reportedly used exclusively by the imperial family for gender selection. The chart is now widely published online and in traditional almanacs.

Process

How to Use the Chinese Gender Predictor

Three simple steps to get your chinese gender prediction chart result.

1
Step 1

Enter Mother's Birth Date

Provide the mother's exact date of birth so the chinese lunar age calculator can determine her lunar age accurately.

2
Step 2

Enter Conception Date

Input the estimated date of conception. The chinese gender predictor calculator will convert it to the correct lunar month automatically.

3
Step 3

Get Your Prediction

The chinese baby gender predictor instantly cross-references the gender chart and shows your result — boy or girl — along with the lunar age and month used.

Calculate Your Lunar Age

The Chinese Gender Chart requires your lunar age. Use our lunar age calculator to find your exact lunar age by date of birth.

Lunar Age Calculator

Islamic Lunar Age Calculator

Calculate your age in the Hijri calendar with automatic Gregorian-to-Hijri conversion for Islamic lunar age.

Islamic Lunar Age