Zodiac Signs and Dates: What Is Your Sign?

Wondering about the zodiac signs dates and asking "what is my zodiac sign?" You are in the right place. Your zodiac sign is determined by your birth date — each of the twelve signs covers a roughly month-long slice of the year, and finding yours takes about ten seconds once you know the date ranges.

In this complete guide, you will find every zodiac sign with its exact dates, the four classical elements, each sign's ruling planet, and a traits table summarizing what each sign is traditionally known for. You will also learn how zodiac dates were set, why they no longer match the actual constellations, and what it means to be born on a "cusp." Want the instant answer? Try the free zodiac sign finder — enter your birthday and get your sign immediately, right in your browser.

1. What Are Zodiac Signs?

The zodiac is a belt of twelve constellations that rings the sky along the ecliptic — the apparent path the Sun takes across the heavens over a year. In astrology, the position of the Sun within this belt on the day you were born determines your "Sun sign," which is what most people mean when they say "my zodiac sign."

The twelve signs were defined by Babylonian astronomers around 500 BCE, each occupying exactly one-twelfth (30 degrees) of the Sun's annual circle. The ancient Greeks called this zone the zodiakos kyklos — the "circle of animals" — because most of the constellations depict animals. The system passed through Greek, Roman, and medieval European traditions to become the horoscope culture familiar today, where, according to a 2022 poll, 27 percent of Americans say they believe in astrology — rising to 37 percent among people under 30.

2. All 12 Zodiac Signs and Dates: Complete Table

Here are the standard tropical zodiac date ranges used in Western astrology, as documented by Encyclopaedia Britannica's zodiac reference:

Find your birth date in the table above and read across — that is your Sun sign. If your birthday falls within a day of a boundary (for example, April 19–20), see the cusp section below, because the exact switchover can vary slightly by year.

3. The Four Elements: Fire, Earth, Air & Water

In astrological tradition, the twelve signs are grouped into four elements of three signs each. Your element is said to describe your general temperament:

• Fire (Aries, Leo, Sagittarius): Passionate, dynamic, and temperamental. Fire signs are associated with enthusiasm, inspiration, and bold action — they tend to lead with instinct.
• Earth (Taurus, Virgo, Capricorn): Grounded, practical, and stable. Earth signs are associated with material matters, patience, and reliability — they tend to lead with what works.
• Air (Gemini, Libra, Aquarius): Intellectual, communicative, and social. Air signs are associated with ideas, conversation, and connection — they tend to lead with thought.
• Water (Cancer, Scorpio, Pisces): Emotional, intuitive, and sensitive. Water signs are associated with feelings, empathy, and depth — they tend to lead with the heart.

This is also the basis of the popular compatibility shorthand: signs of the same element are traditionally considered naturally harmonious, while fire-air and earth-water pairings are seen as complementary.

4. Ruling Planets of Each Sign

Each zodiac sign is traditionally "ruled" by a planet (or luminary) whose qualities are said to color the sign's expression. Modern astrology assigns the outer planets discovered by telescope to some signs, while traditional astrology used only the seven classical bodies:

5. Zodiac Sign Traits at a Glance

Each sign carries a traditional set of personality associations. Treat these as cultural archetypes for fun — not scientific descriptions:

6. How Zodiac Dates Are Determined

The zodiac dates are anchored to the Sun's annual journey, not to the calendar months. Each sign begins when the Sun enters a new 30-degree segment of the ecliptic. Because the astrological year starts at the March equinox (around March 21), Aries — the first sign — begins there, and each subsequent sign follows in order.

This is why the date ranges are fixed year after year: they are tied to Earth's orbit, which is extremely regular. Minor one-day shifts can occur in leap years or because the exact moment of ingress varies slightly, which is why cusp birthdays sometimes need a precise check.

7. Astronomy vs Astrology: Why Dates Don't Match the Stars

Here is a fascinating wrinkle: the zodiac signs no longer line up with the constellations they are named after. When Babylonian astronomers fixed the sign boundaries around 500 BCE, the Sun really was in Aries in late March. But Earth's axis slowly wobbles — a cycle called the precession of the equinoxes that takes about 26,000 years — and over two and a half millennia the constellations have drifted roughly a full sign eastward.

As Britannica's zodiac article explains, the Sun is actually in the astronomical constellation of Aries from about April 19 to May 14 today — nearly a month later than the astrological dates. The Sun even passes through a thirteenth constellation, Ophiuchus (November 30 to December 18), which is not part of the zodiac at all.

Astrologers are aware of this and simply do not care: Western tropical astrology is based on the seasons and the Sun's position relative to the equinoxes, not on the background stars. It is a symbolic calendar, not an observational one. And to be clear about the science: astrology is not supported by evidence — no correlation has ever been found between birth dates and personality or intelligence. Millions enjoy it as culture and entertainment, which is a perfectly fine way to enjoy it.

8. Born on a Cusp Date? What It Means

If your birthday falls within a day or two of a sign boundary — say April 19 or 20, the Aries–Taurus line — you were "born on the cusp." Popular culture sometimes claims cusp babies blend two signs, but in practice your sign is determined by the exact date (and occasionally the year, since ingress times shift slightly).

The reliable way to settle it: check the precise date ranges in the table above, or use the zodiac sign finder and enter your full birth date. If you are still exactly on the line, most astrologers assign you to whichever sign the Sun had entered at your birth time — a fun detail, not a personality crisis.

9. Zodiac Compatibility Basics

Sun-sign compatibility is the most-shared — and most oversimplified — corner of astrology. The traditional shorthand:

• Same element: Fire with fire, earth with earth, and so on — shared temperament, easy understanding.
• Fire + Air: Air feeds fire — energetic, social, idea-driven pairings.
• Earth + Water: Water nourishes earth — loyal, emotionally attuned pairings.
• Fire + Water / Earth + Air: Traditionally considered the most challenging mixes — different native languages of emotion and action.

Real astrologers will tell you Sun signs alone say little about compatibility — a full birth chart includes the Moon, rising sign, and planetary positions. But as a party trick or a first date conversation starter, the element shorthand is the part everyone remembers.

10. Key Takeaways

• Your sign = your birth date's slice of the Sun's annual path — check the complete table above.
• 12 signs, 4 elements, 12 ruling planets (modern + traditional) form the system's backbone.
• Dates are seasonal, not stellar — precession moved the constellations, but the calendar stayed fixed.
• Cusp birthdays are settled by exact date, not by blending signs.
• Enjoy it as culture — astrology is entertainment, not science, and that is fine.

Still not sure? Enter your birthday in the free zodiac sign finder for an instant answer — 100% private, right in your browser.