What are the Gemini dates?

Gemini runs from roughly May 21 - June 20. Birthdays at either end fall on a cusp, where the Sun may have changed sign - the only way to be certain is to calculate the chart for the exact date, time and place of birth.

What element is Gemini?

Gemini is a Air sign, along with Libra and Aquarius. intellect, communication, social connection, and perspective

What planet rules Gemini?

Gemini is ruled by Mercury. The ruling planet colours how the sign expresses itself, and in a birth chart the position of Mercury says a great deal about how someone's Gemini side actually operates.

Is Gemini cardinal, fixed, or mutable?

Gemini is a Mutable sign. adapting, flexibility, and versatility

Which signs are most compatible with Gemini?

Traditionally Libra and Aquarius and Aries and Leo and Sagittarius. That is a starting point rather than an answer, though - real compatibility depends on the Moon, Venus, Mars and the aspects between two whole charts, not on Sun signs alone.

What are the three Gemini decans?

The first decan (May 21 - May 31) is sub-ruled by Mercury and emphasises ingenuity. The second decan (June 1 - June 10) is sub-ruled by Venus and emphasises union. The third decan (June 11 - June 20) is sub-ruled by Uranus and emphasises reason.

May 21 - June 20 · Air · Mutable · The Twins

Gemini

Gemini embodies the archetype of the Messenger and Trickster—the agile, curious force that connects different realms through communication and exchange. As an air sign ruled by Mercury, Gemini represents the principle of duality and the dance between opposing perspectives. Gemini possesses a quick, adaptable intelligence, social versatility, and a perpetual youthfulness that finds wonder in everyday experiences. While sometimes scattered or inconsistent, Gemini's greatest gifts lie in their ability to facilitate communication, synthesize diverse ideas, and bring playful curiosity to life through their intellectual adaptability and skill with language and information.

At a glance

Dates: May 21 - June 20
Element: Air
Modality: Mutable
Ruling planet: Mercury
Symbol: The Twins (Masculine)
Opposite sign: Sagittarius
Focus: Information exchange, connection, and mental exploration
Best trait: Responsiveness

Gemini as a Sun sign

Gemini is the sign of duality, the sign of the twins. You are a communicator, a messenger, a connector of ideas and people. You are curious about everything and everyone. You have a quick mind and a gift for words. You are adaptable and versatile, able to change direction quickly when necessary. You are also restless and easily bored. You need variety and stimulation in your life. You are interested in many different things and may have trouble focusing on just one area. You are a natural teacher and student, always learning and sharing what you know. You have a youthful quality that stays with you throughout your life. You are witty and charming, and you have a way with words that can captivate others. You are also somewhat scattered and may have trouble following through on your commitments. You need to learn to focus your energy and develop more stability and consistency in your life.

Gemini by life area

general: versatile and communicative
career: adaptability and learning
relationships: intellectual connection
health: nervous energy
spirituality: mental exploration
personal growth: self-expression

The three Gemini decans

Every sign spans thirty degrees, and those thirty are traditionally read as three ten-degree decans, each sub-ruled by a different planet. Two people born three weeks apart under the same sign can be describing genuinely different versions of it.

First decan (May 21 - May 31): Ingenuity, sub-ruled by Mercury.

Second decan (June 1 - June 10): Union, sub-ruled by Venus.

Third decan (June 11 - June 20): Reason, sub-ruled by Uranus.

Gemini Moon and Gemini Rising

The same sign reads differently depending on which point occupies it. As a Moon sign it describes emotional need rather than conscious identity; on the Ascendant it describes how a person comes across before anyone knows them.

Gemini Moon

You process emotions through your mind, analyzing and thinking about your feelings rather than simply experiencing them. You need mental stimulation and variety in your emotional life. You may have difficulty dealing with deep emotions because you tend to intellectualize them. You are very adaptable and can adjust to almost any situation. You need to learn to trust your feelings and not just your thoughts.

Gemini Rising

You project an image of intelligence and adaptability. Others see you as someone who is quick-witted and versatile. You have a youthful appearance and manner that stays with you throughout your life. You move quickly and speak rapidly, often gesturing with your hands as you talk. You have a natural curiosity about others and may ask lots of questions. You may appear somewhat scattered or nervous to others.

Correspondences

Birthstone: Agate. Lucky day: Wednesday. Keywords: curious, versatile, communicative, quick-witted, adaptable, intellectual.

Common questions

What are the Gemini dates?: Gemini runs from roughly May 21 - June 20. Birthdays at either end fall on a cusp, where the Sun may have changed sign - the only way to be certain is to calculate the chart for the exact date, time and place of birth.
What element is Gemini?: Gemini is a Air sign, along with Libra and Aquarius. intellect, communication, social connection, and perspective
What planet rules Gemini?: Gemini is ruled by Mercury. The ruling planet colours how the sign expresses itself, and in a birth chart the position of Mercury says a great deal about how someone's Gemini side actually operates.
Is Gemini cardinal, fixed, or mutable?: Gemini is a Mutable sign. adapting, flexibility, and versatility
Which signs are most compatible with Gemini?: Traditionally Libra and Aquarius and Aries and Leo and Sagittarius. That is a starting point rather than an answer, though - real compatibility depends on the Moon, Venus, Mars and the aspects between two whole charts, not on Sun signs alone.
What are the three Gemini decans?: The first decan (May 21 - May 31) is sub-ruled by Mercury and emphasises ingenuity. The second decan (June 1 - June 10) is sub-ruled by Venus and emphasises union. The third decan (June 11 - June 20) is sub-ruled by Uranus and emphasises reason.

Element: Air
Modality: Mutable
Opposite sign: Sagittarius
Shares its element: Libra, Aquarius
Shares its modality: Virgo, Pisces
Traditionally compatible with: Aries, Leo