Zodiac Sign Calculator

Find your Western (tropical) zodiac sign based on your birth date.

Western zodiac signs are defined by date ranges based on the sun's position relative to constellations as understood in ancient Babylonian and Greek astronomy — a system that's stayed essentially fixed in the popular calendar-based version most people know, even though the actual astronomical positions of constellations have shifted somewhat over the roughly 2,000 years since those boundaries were first set, due to a slow wobble in Earth's rotational axis.

That's a distinction worth knowing but not one this tool tries to correct for — it uses the traditional, culturally standard date ranges that horoscopes, personality quizzes, and everyday zodiac references have used for centuries, rather than an astronomically updated version that would put most people in a different sign than the one they've always known.

Enter a birth date, and this tool returns the corresponding zodiac sign based on those standard date ranges. The boundary dates between signs are the most commonly cited ones, though it's worth knowing that some sources place cusp dates a day earlier or later depending on the specific year, since the sun's exact position shifts slightly from year to year even within the simplified traditional system.

1. Enter your birth date.
2. Press Find sign.
3. See your zodiac sign.