Chinese Age Calculator
Enter a birth date and an as-of date to calculate traditional Chinese nominal age (xūsuì) from the two Chinese lunar years—not from a fixed +1 shortcut.
Use the Chinese Age Calculator
Date of Birth
How it works: Traditional Chinese age (虚岁, xūsuì) counts the birth year as "year one." So a child born today is already age 1, and turns 2 on the next Lunar New Year. Formula: as-of lunar year − birth lunar year + 1. It is not always Western age + 1.
Your Age Results
Enter your birth date and click Calculate Age
Western Age
(Gregorian calendar)
—
years old
Chinese Nominal Age
虚岁 (xūsuì)
—
years old
Born
—
Days Lived
—
Lunar Birth Year
—
Zodiac
—
Next Birthday
—
Date Boundary Check
Seven dates around the selected as-of date show exactly when either age changes.
| Date | Western Age | Chinese Nominal Age | Difference |
|---|
Summary
Enter a birth date and an as-of date to calculate traditional Chinese nominal age (xūsuì) from the two Chinese lunar years—not from a fixed +1 shortcut.
How it works
- Enter a Gregorian birth date and the date on which you want the age calculated.
- The calculator converts each date to its related Chinese calendar year.
- It applies xūsuì = as-of lunar year − birth lunar year + 1.
- The result also shows completed Western age, lunar birth year and zodiac animal.
- The boundary table shows how the result changes around the selected date.
Use cases
- Understand your age in Chinese cultural and traditional contexts.
- Check nominal age references in family or cultural contexts.
- Prepare for Chinese New Year greetings where nominal age is customary.
- Research East Asian age traditions for academic or genealogy work.
- Explain the age system to friends or family with Chinese heritage.
- Verify age references in older Chinese historical or literary texts.