Zodiac Sign Calculator

Understanding Zodiac Signs

The zodiac is a belt of the heavens divided into twelve equal sections, each associated with a constellation and representing specific personality traits and characteristics. Your zodiac sign, also called your sun sign, is determined by the position of the sun at the moment of your birth. This ancient system has been used for thousands of years to understand human nature and predict patterns in life. Learn more about your birth date with our Birthday Calculator.

How to Use the Zodiac Sign Calculator

1. Enter your birth date in the date picker field
2. Click Find My Sign to discover your zodiac sign
3. Learn about your sign's element, quality, and ruling planet
4. Read about the key characteristics associated with your sign
5. Browse all twelve zodiac signs in the reference grid below

The Twelve Zodiac Signs

Aries (March 21 - April 19): The Ram. First sign of the zodiac, known for courage, enthusiasm, and leadership. Fire sign ruled by Mars.

Taurus (April 20 - May 20): The Bull. Earth sign known for reliability, patience, and love of comfort. Ruled by Venus.

Gemini (May 21 - June 20): The Twins. Air sign characterized by adaptability, communication skills, and curiosity. Ruled by Mercury.

Cancer (June 21 - July 22): The Crab. Water sign known for emotional depth, intuition, and nurturing nature. Ruled by the Moon.

Leo (July 23 - August 22): The Lion. Fire sign associated with confidence, generosity, and creativity. Ruled by the Sun.

Virgo (August 23 - September 22): The Maiden. Earth sign known for analytical thinking, practicality, and attention to detail. Ruled by Mercury.

Libra (September 23 - October 22): The Scales. Air sign characterized by balance, diplomacy, and love of beauty. Ruled by Venus.

Scorpio (October 23 - November 21): The Scorpion. Water sign known for intensity, passion, and transformative power. Ruled by Pluto and Mars.

Sagittarius (November 22 - December 21): The Archer. Fire sign associated with adventure, philosophy, and optimism. Ruled by Jupiter.

Capricorn (December 22 - January 19): The Goat. Earth sign known for ambition, discipline, and responsibility. Ruled by Saturn.

Aquarius (January 20 - February 18): The Water Bearer. Air sign characterized by innovation, independence, and humanitarian values. Ruled by Uranus and Saturn.

Pisces (February 19 - March 20): The Fish. Water sign known for empathy, imagination, and spiritual depth. Ruled by Neptune and Jupiter.

Elements and Qualities

Zodiac signs are grouped by four elements and three qualities. The elements are Fire (Aries, Leo, Sagittarius), Earth (Taurus, Virgo, Capricorn), Air (Gemini, Libra, Aquarius), and Water (Cancer, Scorpio, Pisces). Each element represents a fundamental energy type that influences personality and behavior.

The three qualities are Cardinal (Aries, Cancer, Libra, Capricorn), Fixed (Taurus, Leo, Scorpio, Aquarius), and Mutable (Gemini, Virgo, Sagittarius, Pisces). Cardinal signs are initiators, Fixed signs are stabilizers, and Mutable signs are adapters.

Ruling Planets

Each zodiac sign is associated with a ruling planet that influences its characteristics. The Sun rules Leo, the Moon rules Cancer, Mercury rules Gemini and Virgo, Venus rules Taurus and Libra, Mars rules Aries, Jupiter rules Sagittarius, Saturn rules Capricorn, Uranus rules Aquarius, Neptune rules Pisces, and Pluto rules Scorpio. Understanding your ruling planet adds depth to your astrological profile. Check our Moon Phase Calculator for lunar information.

Sun Sign vs Complete Birth Chart

While this calculator determines your sun sign based on your birth date, professional astrology considers your complete birth chart, which includes the positions of the moon, planets, and other celestial bodies at your exact time and place of birth. Your sun sign represents your core identity and ego, but your moon sign, rising sign (ascendant), and planetary placements add complexity and nuance to your astrological profile.

Cusps and Border Dates

If you were born on or near the date when the sun transitions from one sign to another (called a "cusp"), you may exhibit traits from both signs. The exact time the sun enters a new sign varies slightly from year to year, so people born on cusp dates sometimes identify with characteristics of both neighboring signs. For the most accurate determination, you would need to know your exact birth time and location.

Cultural Significance

Astrology and zodiac signs have been important in many cultures throughout history. Western astrology, which this calculator uses, originated in Mesopotamia and was developed by the ancient Greeks and Romans. Other cultures have their own zodiac systems, such as the Chinese zodiac based on years rather than months, and Vedic astrology from India, which uses a different calendar system and slightly different sign dates.