Gemini

May 21 – Jun 20 · The Twins

ElementAir
ModalityMutable
Ruling planetMercury
SymbolThe Twins
Lucky colorYellow
Lucky numbers5, 7
GemstoneAgate
FlowerLavender
DayWednesday
Opposite signSagittarius
Gemini — The Twins

Where Gemini comes from

Castor mortal, Pollux divine — same egg, different fates. Before Greece, Babylon's Great Twins guarded the underworld's edge. The sign names a lived tension: two voices in one person, neither false.

Ruling Body

Mercury

Mercury rules Gemini as the planet of communication and the quickest body in the solar system. It represents the restless intellect, the exchange of ideas and the ability to hold two thoughts at once.

  • Temperature Range−180 to 430 °C
  • TypeTerrestrial planet
  • Astrological RoleCommunication and intellect
  • Time in each sign2–10 weeks

What the symbol actually means

Twin pillars, not a split personality. The glyph is the mind holding parallel threads — interview and edit, joke and grief — until they connect.

Gemini strengths & weaknesses

These traits describe your Gemini Sun — your core drive and how you instinctively move through the world. But the Sun is one layer. Your Moon shapes how you feel, your Venus and Mars shape how you love and act, and your rising sign shapes how others first read you. A Gemini who comes across as warm and a Gemini who comes across as guarded can share the same Sun and almost nothing else. Treat the list below as the headline, not the whole story.

Strengths

  • Reads a room and adjusts mid-sentence
  • Connects unrelated ideas fast
  • Talks anyone through anything
  • Picks up new skills without a manual
  • Sees both sides before arguing one

Weaknesses

  • Starts five things, finishes one
  • Talks past the point of deciding
  • Bored by routine and maintenance
  • Rationalizes away inconvenient feelings
  • Spreads attention too thin to go deep

Gemini in love & sex

Gemini flirts with words first — the witty back-and-forth is the actual seduction, and a clever text thread does more than candlelight. They bond by being interested: asking the second and third question, remembering the offhand detail. What pulls them in is a mind that surprises them, and sex follows curiosity more than performance — variety, playfulness, talking through what's wanted. The hard part comes when the conversation settles into routine. A Mercury-ruled mind reads steadiness as flatness and goes looking for the next spark, sometimes in a new person, sometimes just in their own head. They don't leave from lack of love; they drift when a partner stops being a question worth answering and becomes a fact already filed away.

Gemini in career & money

Gemini works in bursts of fast, wide-ranging energy — pitching, writing, connecting people, learning a new tool over a weekend. They're the one who can explain the complicated thing simply and talk a stalled meeting unstuck. Roles with variety and conversation suit them: sales, media, teaching, anything where they move between problems instead of grinding one. Where they struggle is the long, unglamorous middle — the follow-through after the kickoff, the spreadsheet nobody thanks you for. Money mirrors the mind: it comes in through several side channels and leaks out through impulse and curiosity-spending on books, gadgets, and courses half-finished. They do best with automated savings and one trusted person who makes them sit still long enough to finish what they started.

What gets misunderstood about Gemini

Two-faced is lazy. Gemini stalls when a question is still open, not when commitment scares it. The switching is often intelligence refusing a premature answer.

Gemini in your full chart

Mercury runs this sign. Mercury in Virgo categorizes before speaking; in Sagittarius, it talks its way to the idea. Same hunger, different digestion.

Gemini compatibility with every sign

How Gemini pairs with each of the twelve signs — love, friendship, communication, and growth.

Planets in Gemini

Your sun sign is only the start. See what each planet means when it falls in Gemini — how it shapes love, emotion, and more.

Frequently asked questions about Gemini

What dates are Gemini?

Gemini season runs May 21 – Jun 20 in the tropical zodiac. If your birthday falls on a cusp date, your exact sun sign depends on the year and time of birth.

What element is Gemini?

Gemini is Air — specifically, the restless air of curiosity — quick, associative thinking that moves between ideas faster than most can follow.

What planet rules Gemini?

Gemini is ruled by Mercury. Mercury governs the mind, language, and connection — which is why Gemini lives in conversation and processes the world by talking it through.

Is Gemini cardinal, fixed, or mutable?

Gemini is mutable. Mutable signs close a season and adapt — for Gemini, that means flexibility, synthesis, and ease with change others resist.

Who is Gemini most compatible with?

Sun sign is only the opening line of compatibility. As a rough starting point, Gemini tends to flow with the other two air signs and with signs whose element complements its own — but Moon, Venus, and Mars decide far more than the Sun does. Run any pairing on our free compatibility tool to see the real picture.

See also

Keep reading around Gemini — today's sky, and the planet that rules it.

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