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Zodiac Sign Calculator

Enter your birth date. The Sun was somewhere specific that day. This is where.

Marcus VanceBy Marcus Vance

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Your sign -
Symbol -
Element -
Quality -
Ruling planet -
Date range -

Traits for fun, not a personality test.

Things to Know About Zodiac Elements and Cusps

Western astrology divides the ecliptic into 12 equal segments, each named for a constellation. Your sun sign is whichever segment the Sun occupied on the day you were born. Enter your birth date above and this calculator returns the sign along with its traditional element, quality, and ruling planet, pulled straight from its built-in date-range table.

The table behind this tool runs from Capricorn (Dec 22-Jan 19, Earth, Cardinal, Saturn) through Aquarius (Jan 20-Feb 18, Air, Fixed, Uranus), Pisces (Feb 19-Mar 20, Water, Mutable, Neptune), Aries (Mar 21-Apr 19, Fire, Cardinal, Mars), Taurus (Apr 20-May 20, Earth, Fixed, Venus), Gemini (May 21-Jun 20, Air, Mutable, Mercury), Cancer (Jun 21-Jul 22, Water, Cardinal, Moon), Leo (Jul 23-Aug 22, Fire, Fixed, Sun), Virgo (Aug 23-Sep 22, Earth, Mutable, Mercury), Libra (Sep 23-Oct 22, Air, Cardinal, Venus), Scorpio (Oct 23-Nov 21, Water, Fixed, Pluto), and Sagittarius (Nov 22-Dec 21, Fire, Mutable, Jupiter), before cycling back to Capricorn. Someone born July 4 falls inside the Cancer range and gets Water, Cardinal, Moon back; someone born December 25 falls just past the Sagittarius cutoff and lands in Capricorn instead.

Born on or near a boundary date? The Sun changes signs at a specific time of day, not at midnight. If your birthday falls on the 19th, 20th, or 21st of a month, your exact sign depends on the year and what time you were born, something this calculator's fixed date table cannot account for.

The four elements group three signs each by shared temperament: Fire (Aries, Leo, Sagittarius) leans assertive and energetic; Earth (Taurus, Virgo, Capricorn) leans grounded and practical; Air (Gemini, Libra, Aquarius) leans social and idea-driven; Water (Cancer, Scorpio, Pisces) leans emotional and intuitive. The three qualities, Cardinal, Fixed, and Mutable, describe how a sign tends to initiate, sustain, or adapt, and every element has exactly one sign of each quality.

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FAQs

How are signs determined?

The Sun moves through all 12 zodiac segments over the course of a year. Your sign is whichever segment it occupied on your birth date.

What's an element?

The 12 signs are grouped into four elements: Fire, Earth, Air, and Water. Each element traditionally describes a broad temperament shared by the three signs in that group.

Are cusp dates exact?

The cutover happens at a precise time of day, not on the stroke of midnight. This calculator uses the common fixed boundary dates, which are accurate for most people.

Is this scientific?

No. Astrology does not have a verified scientific basis. This is for curiosity and reflection.

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