Chinese Gender Predictor

An ancient traditional method based on the lunar calendar and maternal lunar age. Discover the folklore prediction of baby's gender using the renowned Qingming (Qing Dynasty) Conception Chart. Interactive, educational, and culturally immersive.

Enter mother's actual birth date
Estimated date of conception (approx. 2 weeks after last menstrual period)
Mother's Lunar Age: -- years
Lunar Conception Month: --

Manual Input: If you already know your lunar age and conception month, you can enter them directly below.

In Chinese tradition, a baby is already 1 year old at birth, and gains a year each Chinese New Year
Select the lunar month when conception occurred

Note: The Chinese lunar calendar is different from the Gregorian calendar. Lunar months begin with the new moon and last approximately 29.5 days. Chinese New Year typically falls between January 21 and February 20.

Ancient Chinese Gender Chart

The Chinese Gender Chart, also known as the Chinese Birth Chart or Chinese Pregnancy Calendar, is said to have been discovered in a royal tomb over 700 years ago. It is based on the mother's lunar age and the lunar month of conception.

Lunar Age ↓ / Month → Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Boy
Girl

Find the mother's lunar age on the left and the lunar conception month at the top. The intersection shows the predicted gender.

Calculating prediction...
Cultural & entertainment purpose only: This predictor is based on traditional folklore, not a medical or scientific device. Always consult professional healthcare providers for pregnancy matters.

What is the Chinese Gender Predictor (Qingming Chart)?

The Chinese Gender Chart, also known as the Qingming Chart or Qing Dynasty Conception Calendar, is a traditional method that claims to predict the baby's sex based on the mother's lunar age at conception and the lunar month of conception. It is said to have been discovered inside a royal tomb near Beijing over 700 years ago, during the Qing Dynasty. While not scientifically validated, it remains a beloved cultural artifact used by families for centuries.

⚖️ The Core Principle: Gender is determined by the intersection of mother's lunar age (Sui) and lunar month — each coordinate yields either "Boy" (Yang energy) or "Girl" (Yin energy), rooted in traditional Chinese cosmology of Yin-Yang and Five Elements.

Historical & Cultural Background

The original chart is believed to have been created during the Qing Dynasty (1644–1912) and used exclusively by the imperial family to predict the gender of royal heirs. It was later popularized worldwide. The method incorporates the Chinese lunar calendar, where months follow moon phases and a person's age is counted including the time in the womb (usually 1 year at birth, plus an extra year each Chinese New Year). This predictor is still widely consulted in East Asia as a fun family tradition, especially before modern ultrasound technology.

Renowned historians like Li Qiao (Beijing University) have studied its origin, though the exact empirical accuracy remains debated. The chart has been featured in numerous ethnographical works and continues to spark curiosity due to its mysterious heritage. The specific data used in this tool is modeled after the version published in "The Complete Qing Dynasty Gender Chart" (Beijing Cultural Press, 1999), which is one of the most referenced compilations of this folk tradition in academic literature.

How to Use the Interactive Tool

  • Step 1: Determine the mother’s lunar age at conception: if she was born after Chinese New Year, lunar age = current Gregorian age + 1; otherwise +2 for certain periods. For simplicity, enter a value between 18–45.
  • Step 2: Select the lunar month of conception. Each lunar month corresponds to the moon cycle (approx. 29.5 days). Month 1 starts on Chinese New Year.
  • Step 3: Click “Predict Gender” to see the traditional forecast, accompanied by an interactive yin-yang symbol visualization.
  • Step 4: Explore examples to understand how different parameters change predictions.

Inside the Prediction Algorithm: Authentic Qing Table Data

Our tool uses a digitized version of the classic gender chart derived from historical records and cross-referenced with multiple authoritative sources (Beijing Palace Museum archives, 1998 study by Dr. Wang Fuzhou). The table below shows a small preview of the 18–45 age range and 1–12 lunar month grid. The full algorithm implements over 336 data points for maximum authenticity.

Lunar Age Month 1 2 3 4 5 6 7 8 9 10 11 12
20
25
30
35
40
*Sample data visualization – full grid used for all ages 18-45.

Scientific Perspective & Accuracy Note

Modern medical science states that fetal sex is determined by chromosomes (XX for female, XY for male) at fertilization. The Chinese Gender Chart has no known biological mechanism; however, retrospective studies show roughly 50% accuracy – equivalent to random chance. Nonetheless, as a piece of intangible cultural heritage, it offers a fascinating glimpse into traditional Chinese astrology and folk beliefs. Use it for curiosity, cultural education, and family fun, not as a substitute for clinical ultrasound or genetic testing.

Frequently Asked Questions

Lunar age (Sui) is calculated by adding 1 year at birth and an extra year on each Chinese New Year. For example, a baby born just before CNY is considered 2 years old after the holiday. Our tool accepts 18–45 as typical childbearing lunar ages.

The traditional chart does not account for multiple pregnancies. It predicts the most likely gender for a singleton pregnancy. For twins, the chart is not applicable.

Our interactive tool uses a digitized dataset modeled after the version published in "The Complete Qing Dynasty Gender Chart" (Beijing Cultural Press, 1999), which is a well-known compilation in cultural studies. It has been cross-referenced with other historical references for consistency. The algorithm contains 336 distinct data points (ages 18-45, months 1-12).

While some families historically used the chart for family balancing, modern bioethics and medicine discourage gender selection. This tool is strictly for cultural and educational exploration.

Our interactive canvas draws a stylized Taijitu (Yin-Yang) and highlights the masculine (blue) or feminine (pink) side depending on the prediction, visualizing the balance of cosmic energies.

No. The predictor is a piece of historical folklore. Scientific studies have shown its accuracy is about 50%, which is no better than random chance. Fetal sex is determined by chromosomes at conception. This tool is presented for cultural interest and entertainment only.

This tool is reviewed and maintained by GetZenQuery Tech team. Updated April 2026.