Zodiac Sign Calculator

Find your western star sign from your birth date — with its dates, element and traits. Worked out in your browser; your birth date is never uploaded.

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Gemini
21 May – 20 Jun
AirMutableRuler · Mercury

Curious, quick-witted, sociable.

Your sun sign is set by where the Sun sat along the zodiac on the day you were born, which in the tropical system maps to fixed calendar dates. We read the month and day of your birth date and match it to that band — 15 June lands in Gemini (21 May – 20 June), for example. People born on the cusp (the first or last day of a sign) may see a neighbouring sign in sources that use the exact moment of the Sun's crossing. It's all worked out in your browser; your birth date is never uploaded.

How to find your zodiac sign

Enter your date of birth. We read the month and day and match it to one of the twelve tropical zodiac bands, then show the sign's name, its date range, its element and quality, and a short trait summary.

Questions

What zodiac sign is 15 June?
Someone born on 15 June is a Gemini. Gemini runs from 21 May to 20 June in the tropical zodiac used by most western astrology.
How is my star sign decided?
Your sun sign is set by the Sun's position along the zodiac on your birth date, which in the tropical system maps to fixed calendar bands. We read the month and day of your date of birth and match it to the right sign.
What if I'm born on a cusp?
If your birthday falls on the first or last day of a sign, you're 'on the cusp'. Because the Sun's exact crossing time varies slightly from year to year, some sources may place a cusp birthday in the neighbouring sign. We use the standard published date bands.