May 21 – June 20

Gemini · The Twins

Element
air
Modality
mutable
Ruling Planet
Mercury

Gemini is the zodiac's first mutable air sign, ruled by Mercury and traditionally associated with communication, curiosity, and a dual, quick-shifting nature symbolized by the Twins.

Core Traits

Gemini decans

Gemini spans 30 degrees, and astrologers traditionally divide every sign into three 10-degree decans. It is where the “May Gemini” versus “June Gemini” distinction comes from. The dates below are approximate: the sun does not move at a perfectly even rate, so a cusp can shift by a day either way from year to year.

  1. FirstMay 21 – May 30
  2. SecondMay 31 – June 10
  3. ThirdJune 11 – June 20

The Gemini man and woman

The Gemini manThe Gemini man runs on Mercury, which means he runs on words. Put him at a dinner party and he'll cycle through four conversations before the appetizers clear — not because he's rude, but because the next interesting thread is always pulling at him. He's genuinely curious, quick to make you feel like the most interesting person in the room, and then genuinely curious about someone else. That's not manipulation. It's just how mutable air moves. Six months into a project he may have already pivoted twice, convinced each new direction is the obvious one. His restlessness can look like inconsistency from the outside, though the ideas themselves are usually solid. He argues well, too well sometimes, and has a habit of switching positions mid-debate just to see if the other side holds up. If you need someone to stay in one lane, he'll frustrate you. If you need someone to think fast and talk faster, he's the one.The Gemini womanThe Gemini woman is adaptable in a way that can read as chameleonic until you understand it's actually her being fully present in whatever room she's in. She shifts register easily — serious at work, sardonic with friends, surprisingly tender one-on-one — and she controls that shift consciously, more than people give her credit for. Being contradicted doesn't rattle her the way it does some signs. She'll engage, push back, concede a point if it's earned, and probably find the whole exchange enjoyable. What she won't do is sit quietly through a conversation that bores her. Mercury-ruled and air through and through, she needs ideas in motion. Still water makes her restless in a way she can't always explain, even to herself. In a relationship she wants a partner who can keep up intellectually — not someone smarter necessarily, just someone willing to think out loud alongside her. She'll lose interest faster than almost any other sign when that stops happening.

Gemini in detail

Gemini compatibilityHow Gemini reads against each of the other eleven signs by element and modality — including where the tradition declines to say anything.Planets in GeminiSun, Moon, Mercury, Venus, Mars, Jupiter, Saturn, Uranus, Neptune in Gemini, read from sources you can open for free. Your Sun sign is one placement of ten.

More on Gemini