GEMINI
Gemini
in a birth chart
Gemini is a mutable air sign ruled by Mercury. In a birth chart it describes the part of a person that gathers and relays: curious, verbal, quick to switch subjects, and happiest with more than one thing going on.
- Dates
- May 21 – June 20
- Element
- Air
- Modality
- Mutable
- Ruler
- Mercury
The sign itself
Gemini closes spring, when everything is already in motion and the information is plentiful. Mutable air adapts and circulates: it takes in, rearranges, and passes on.
Mercury rules Gemini, so language is the sign's medium. Talking is how a Gemini placement thinks, not a report on thinking already done.
Where Gemini shows up in a chart
The same restlessness reads very differently by placement.
- Sun in Gemini — purpose pursued through learning, talking, and keeping options open.
- Moon in Gemini — feelings processed by naming them; comfort comes from conversation and variety.
- Rising in Gemini — a lively, questioning first impression, and a chart run by Mercury.
- Gemini on a house cusp — that area of life is plural: several versions, several interests.
At its best and at its cost
At its best: wit, fast comprehension, adaptability, and the ability to explain anything to anyone. At its cost: scatter, restlessness, and leaving things at the interesting stage.
In a child's chart, Gemini reads as constant questions and a mind that needs new input — not flightiness.
COMMON QUESTIONS
Questions people ask
- What are the Gemini dates?
- The Sun is in Gemini from about May 21 to June 20 each year, with the exact boundary varying by a day between years.
- What planet rules Gemini?
- Mercury rules Gemini, which is why the sign is so strongly associated with language, curiosity, and quick thinking.
NEIGHBOURING SIGNS
See where Gemini actually falls in your family's charts.
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