Gemini
May 21 - June 20
Gemini runs from May 21 - June 20. It is the third sign of the zodiac, a Mutable Air sign symbolised by the Twins and ruled by Mercury.
About Gemini
Gemini is characterized by the Twins, Castor and Pollux, and is known for having two different sides they can display to the world.
Daily Horoscope
Strengths
- Adaptability
- Outgoing
- Intelligent
Weaknesses
- Nervous
- Inconsistent
- Indecisive
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Sun signs are just the beginning. Your birth chart reveals the full map of the sky when you were born.
Get My Full Birth ChartGemini key facts
- Dates
- May 21 - June 20
- Element
- Air
- Modality
- Mutable
- Ruling planet
- Mercury
- Symbol
- Twins
- Polarity
- Yang (Active)
Gemini at a glance
Anyone born between May 21 - June 20 has the Sun in Gemini. As the third sign of the zodiac it is a Mutable Air sign of yang (active) polarity, represented by the Twins and ruled by Mercury.
Gemini is characterized by the Twins, Castor and Pollux, and is known for having two different sides they can display to the world.
Because Gemini is a Air sign, it circulates ideas, connects people and keeps every question open a little longer than is comfortable. Because it is Mutable, it is the adapter of its season — the sign that prepares the ground for what comes next. That pairing is what separates Gemini from the other two Air signs: they share the same raw material, but Gemini uses it to a different end.
Gemini personality traits
The traits most often attached to Gemini are gentle, affectionate, curious and adaptable. Underneath all of them sits a need to understand, to compare perspectives, and to be met intellectually as well as emotionally — the motive that explains behaviour that can otherwise look contradictory from the outside.
At their best, people with this placement are known for adaptability, outgoing and intelligent. Flexibility, range and the ability to change shape without losing the thread is where the sign is genuinely unmatched, and it tends to show up in the ordinary, unglamorous moments rather than the dramatic ones.
The reverse side is real too. Gemini can struggle with nervous, inconsistent and indecisive, and the Mutable pattern adds its own friction: scattering across too many directions, and adapting so readily that the original intent is lost. The classic Air pitfall compounds it — living in analysis, and using conversation to avoid the feeling underneath it. None of this is a verdict; it is simply where the growth is.
Mercury, the ruler of Gemini
Mercury governs perception, language and exchange. It grants quickness, curiosity and verbal dexterity, and asks its signs to slow down long enough to let understanding catch up with information.
In a birth chart, Gemini naturally governs the third house, the area of life concerned with communication, partnership and community. Wherever Gemini falls in your own chart, that is the department of life where you are most likely to act like twins — decisively, and on your own terms.
Gemini in love and relationships
In relationships, Gemini leads with gentle energy. What this sign actually wants is to understand, to compare perspectives, and to be met intellectually as well as emotionally — and it will usually show that through action long before it says so out loud.
Gemini tends to find easy ground with Libra, Aquarius, Leo and Aries. Those pairings either share the same element or sit at a supportive angle, which means less translation is required to feel understood.
The opposite sign, Sagittarius, is the most magnetic and the most demanding match at once: it holds exactly the qualities Gemini tends to under-develop. Squares with Virgo and Pisces generate the most friction — and, handled honestly, the most growth. Compatibility is never decided by Sun signs alone; Moon, Venus and Mars placements usually matter more in practice.
Gemini at work and with money
Professionally, Gemini does best where flexibility, range and the ability to change shape without losing the thread is the actual job rather than an afterthought. Environments that reward adaptability, outgoing and intelligent will get the best out of this sign; environments built on the opposite instincts will grind it down quietly.
The Air temperament shapes the money story too. Gemini circulates ideas, connects people and keeps every question open a little longer than is comfortable — which is an asset in the right role and a liability in the wrong one. The most useful correction is usually structural: build the guardrail once, rather than relying on willpower every time.
Gemini compatibility
Gemini frequently asked questions
What are the Gemini zodiac dates?
Gemini covers birthdays from May 21 - June 20. If you were born on the first or last day of that range you are on a cusp, and the exact year and time of your birth decide your Sun sign.
What element and modality is Gemini?
Gemini is a Mutable Air sign of yang (active) polarity, and the third sign of the zodiac.
What planet rules Gemini?
Gemini is ruled by Mercury. Mercury governs perception, language and exchange. It grants quickness, curiosity and verbal dexterity, and asks its signs to slow down long enough to let understanding catch up with information.
Who is Gemini most compatible with?
Gemini generally gets on most easily with Libra, Aquarius, Leo and Aries. Sagittarius is the opposite sign — intense and rewarding, but more work. Sun sign compatibility is only a starting point; Moon, Venus and Mars placements matter more.
What are the main strengths and weaknesses of Gemini?
Gemini is known for adaptability, outgoing and intelligent. The common weak points are nervous, inconsistent and indecisive.
What is the Gemini symbol?
Gemini is symbolised by the Twins, which reflects how the sign circulates ideas, connects people and keeps every question open a little longer than is comfortable.