Chinese Zodiac Calculator

Discover your Chinese Zodiac animal, view the associated characteristics, and learn how the twelve-year cycle selects your sign.

Enter your birth year

Provide the Gregorian year you were born so the calculator can map it to the traditional twelve-year cycle.

How to Use This Calculator

Type or paste your birth year, then hit Calculate to reveal which of the twelve Chinese Zodiac animals corresponds to your cycle. The reset button restores the suggested sample year (1990) and the latest calculation.

The error box above will display guidance if the year is missing or invalid; otherwise the calculator updates immediately after you trigger the calculation or change the input.

Methodology

Chinese Zodiac signs repeat every twelve years. The formula below shifts the Gregorian year so that the Rat aligns with 1900, then applies a modulo operation to pick the appropriate animal. This remains the same process used by traditional sources, including the China Highlights Chinese Zodiac calculator.

Results display the animal name, its characteristic phrases from established lore, and the cycle position (1–12). The calculator assumes the year is based on the solar calendar; if you were born in January or February, verify the lunar new year date because the Zodiac switches on the Lunar New Year.

Formula

Zodiac Sign = (Year − 4) % 12

Glossary of Terms

  • Birth Year: The Gregorian calendar year you were born.
  • Cycle position: Which spot (1 through 12) your birth year occupies in the repeating Zodiac.
  • Characteristics: Traits traditionally associated with each animal.

Step-by-step example

For someone born in 1990, compute (1990 − 4) % 12 = 6, which corresponds to the Horse. The Horse is ninth in the commonly used cycle (cycle position 7 when counting from zero) and inherits known descriptors like “animated, active, energetic.”

Frequently Asked Questions

What is the Chinese Zodiac?

The Chinese Zodiac is a classification scheme based on the lunar calendar that assigns an animal to each year in a twelve-year cycle.

How accurate is the Chinese Zodiac?

It is a cultural tradition that can provide insight into personality traits and compatibility, but it should not replace professional advice.

How can I use my Chinese Zodiac sign?

Many people refer to their sign to understand their behaviors, strengths, and relationships with others.

Are there any exceptions or special cases?

Because the Zodiac begins on the Lunar New Year, people born in January or February should confirm whether the new year had started when they were born.

Can I find compatibility with other signs?

Yes. The Chinese Zodiac is often used to determine compatibility, especially for relationships, by comparing animals and their traditional affinities.

Formulas

Zodiac sign selection:

Zodiac Sign = (Year − 4) % 12

Subtracting 4 aligns the cycle with the traditional Rat baseline, then modulo 12 picks the correct animal for that year.

Citations
Changelog
  • v0.1.0-draft — 2026-01-19 — Initial calculator with audit spec and informational guide.
Verified by Ugo Candido Last Updated: 2026-01-19 Version 0.1.0-draft
Version 1.5.0