What Is a Zodiac Sign Calculator?
A zodiac sign calculator finds your astrological sun sign from your date of birth. In Western astrology the year is divided into 12 signs, each ruling a date range: Aries, Taurus, Gemini, Cancer, Leo, Virgo, Libra, Scorpio, Sagittarius, Capricorn, Aquarius, and Pisces. Enter your birthday above and instantly see your sign with its symbol, element, ruling planet, lucky color and number, key personality traits, and most compatible signs.
Zodiac Signs and Their Dates
- ♈ Aries — March 21 to April 19 (Fire)
- ♉ Taurus — April 20 to May 20 (Earth)
- ♊ Gemini — May 21 to June 20 (Air)
- ♋ Cancer — June 21 to July 22 (Water)
- ♌ Leo — July 23 to August 22 (Fire)
- ♍ Virgo — August 23 to September 22 (Earth)
- ♎ Libra — September 23 to October 22 (Air)
- ♏ Scorpio — October 23 to November 21 (Water)
- ♐ Sagittarius — November 22 to December 21 (Fire)
- ♑ Capricorn — December 22 to January 19 (Earth)
- ♒ Aquarius — January 20 to February 18 (Air)
- ♓ Pisces — February 19 to March 20 (Water)
The Four Elements
Every sign belongs to one of four elements, which describe its basic temperament. Fire signs (Aries, Leo, Sagittarius) are passionate, bold, and energetic. Earth signs (Taurus, Virgo, Capricorn) are practical, patient, and grounded. Air signs (Gemini, Libra, Aquarius) are thinkers and communicators — curious and social. Water signs (Cancer, Scorpio, Pisces) are emotional, intuitive, and deeply feeling. Signs of the same element usually understand each other easily, which is why compatibility often follows the elements.
Born on a Cusp?
If your birthday falls on the first or last day of a sign, you are "born on the cusp." Different astrology sources occasionally shift cusp dates by a day depending on the year and the exact time of birth, because the Sun changes signs on slightly different dates each year. If your date is right at a boundary, read both neighboring signs — many people feel they carry traits of each.
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Frequently Asked Questions
What zodiac sign am I?
Your sign depends only on your birth month and day — enter your date of birth above and the calculator shows your sign instantly. For example, April 10 is Aries and October 5 is Libra.
Does my birth year change my zodiac sign?
Not for Western sun signs — only the month and day matter (in rare cusp cases the year can shift the boundary by a day). Your birth year matters in Chinese astrology instead, which uses a 12-year cycle of animals.
What is a sun sign?
Your sun sign is the zodiac sign the Sun was passing through on your birthday. It is the sign most horoscopes refer to and is said to describe your core personality and ego.
Is this zodiac calculator free?
Yes — 100% free, no signup, and your birth date is never sent anywhere; the calculation happens entirely in your browser.
i How to Use This Tool?
What does this tool do?
Enter your values and get precise calculations instantly — from finance to health to unit conversions.
Key features
- Instant calculation
- Accurate formulas
- Clear result breakdown
- Mobile-friendly inputs
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