Gemini is the third sign of the zodiac, for people born roughly from May 21 to June 20. It is a mutable air sign ruled by Mercury: curious, witty and sociable, always learning and talking. Its symbol is the Twins and its tarot card is The Lovers. Read today's Gemini horoscope.
Gemini at a glance
| Dates | May 21 – June 20 (varies by a day; see the finder) |
|---|---|
| Element | Air: ideas, communication and connection |
| Modality | Mutable: adapts, adjusts and goes with change |
| Ruling planet | Mercury |
| Symbol | The Twins |
| Tarot card | The Lovers |
| Opposite sign | Sagittarius |
Are you really a Gemini? Exact sign finder
Sign dates shift by a day from year to year. Enter your birth date (and time, if you know it) and we calculate where the Sun really was, so cusp birthdays get the right answer.
Gemini personality: strengths and challenges
Gemini in love and compatibility
Gemini falls for minds first: conversation, humor and shared curiosity keep the spark alive. They need variety and freedom. The growth point is depth: staying with a feeling, or a person, after the novelty fades.
| Match type | Signs | Why, in traditional astrology |
|---|---|---|
| Easiest matches | Libra, Aquarius, Leo, Aries | Signs of the same element, or of the element that complements air, tend to understand each other easily. |
| Opposites attract | Sagittarius | The opposite sign has what Gemini lacks: strong attraction, and something to learn from each other. |
| More friction | Virgo, Pisces | Signs three apart ("square") have different needs; it can work, but takes more compromise. |
Sun signs are only one part of compatibility. For a reading based on your birth cards instead, try the tarot love compatibility calculator.
Gemini careers
Gemini tends to thrive where communication and variety matter: writing, journalism, teaching, marketing, sales, social media, translation and any job with lots of people and ideas.
Gemini tarot card: The Lovers
In the tradition of the Hermetic Order of the Golden Dawn, each zodiac sign is linked with a Major Arcana card. Gemini's card is The Lovers. Reading it alongside your sign adds another layer: its themes often echo the strengths and lessons above.
Born on the cusp?
Born on May 20 or 21, or on June 20 or 21? The Sun changes sign at a different time each year, so use the sign finder above with your birth time to know whether you are Taurus or Gemini, or Gemini or Cancer.
Gemini horoscope
Read the Gemini horoscope today, the weekly Gemini horoscope or the monthly Gemini tarot horoscope, each with a tarot card drawn for the sign.
Frequently asked questions
What are the dates for Gemini?
Usually May 21 to June 20. The exact start and end change by a day or so from year to year, so people born on those edges should check with the sign finder on this page.
What is Gemini's element and ruling planet?
Gemini is a mutable air sign, ruled by Mercury.
Which signs are most compatible with Gemini?
Traditionally the other air signs, Libra and Aquarius, and the fire signs Aries and Leo. Sagittarius, the opposite sign, often brings strong attraction.
What tarot card is Gemini?
The Lovers, the card of connection, choice and alignment.
Why is Gemini the Twins?
The Twins stand for Gemini's two sides: curiosity that pulls in many directions, and the gift of seeing both sides of everything.
Other zodiac signs
Sources and further reading
- Zodiac · Encyclopaedia Britannica
- Astrology · Encyclopaedia Britannica
- Jean Meeus, Astronomical Algorithms (2nd ed., 1998), chapter 25: the solar position formula used by the sign finder
- How our readings work: randomness, use of AI and limits · The Mystica
Written by The Mystica Editorial Team under our editorial standards. Last reviewed: October 25, 2026. Astrology is a traditional belief system; personality descriptions are offered for reflection and entertainment, not as scientific findings.