Chinese Age (Sui) Calculator
Chinese Age (Sui) — 1 at Birth, +1 at Lunar New Year
Convert Western age to Chinese age (sui). You are 1 at birth and gain a year at each Lunar New Year. See zodiac animal and next birthday.
Why Time Matters
Why: Chinese age is used in East Asia for social custom, fortune telling, and some legal contexts. It emphasizes collective aging at Lunar New Year.
How: Sui = 1 at birth. Each Lunar New Year (Jan 21–Feb 21) adds 1. Western age = years since birth, +1 on birthday.
- ●1 at birth
- ●LNY adds 1 sui
- ●12 zodiac animals
- ●Often 1–2 years higher
Birth Date
Reference Date
Age Results
You were born before Lunar New Year, so you turned 2 sui at your first LNY, and may be 2 years ahead of Western age.
Western vs Chinese Age
For educational and informational purposes only. Verify with a qualified professional.
🕐 Time Facts
Sui (歲/岁) = year of age. Newborn is 1 sui, not 0
— Tradition
Lunar New Year falls between Jan 21–Feb 21
— Lunar calendar
12 zodiac animals: Rat, Ox, Tiger, Rabbit, Dragon, Snake, Horse, Goat, Monkey, Rooster, Dog, Pig
— Chinese astrology
📋 Key Takeaways
- • Chinese age (sui): 1 at birth, +1 at each Lunar New Year
- • Western age: +1 on your birthday
- • Chinese age is often 1–2 years higher than Western age
- • Used in East Asia for fortune telling, social custom, and some legal contexts
⚠️ Disclaimer: Chinese age (sui) is approximate. Lunar New Year dates vary by year. For official purposes, verify with local authorities.
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