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Western Astrology · Sun Sign

May 21 Zodiac Sign: Gemini-Taurus Cusp, Traits & Love

SignGemini
Elementair
Modalitymutable
Ruling PlanetMercury
Lucky Color
Yellow
Lucky Number3

Birthday Facts

BirthdayMay 21
Decan1 of Gemini
Sign RangeMay 21 – Jun 20
Positionearly Gemini

If you were born on May 21, the Sun had just crossed from Taurus into Gemini hours before your arrival. You sit on the Gemini-Taurus cusp, which is one of the most interesting hand-offs in the zodiac. You carry the steady, sensual ground of late Taurus and the quick, curious mind of early Gemini at the same time. Your chart is in Decan 1 of Gemini, ruled by Mercury, with a Venus echo from the sign you just left behind.

People born on May 21 read as warm and approachable in a way most pure Geminis do not. You take time before you speak. You like good food, beautiful objects, and music that lasts longer than three minutes. At the same time you want to know how things work, who said what, and why it matters. Friends often say you are the smart one who never makes them feel small for asking. That blend of quick mind and grounded warmth is your signature.

The pattern shows clearly in famous May 21 birthdays. Mohanlal, born in 1960, has built one of Indian cinema's longest careers on warmth, range, and a quiet authority that reads as Taurus. His ability to switch between drama, comedy, and action without losing his centre is the Gemini side. Mary Robinson, born in 1944, carried a Taurus rooted dignity into her work as Ireland's first female president and as UN High Commissioner for Human Rights, while her sharp legal mind is pure Gemini. Albrecht Durer, born in 1471, blended Taurus craftsmanship with Gemini intellect in his prints and writings. Tom Daley, born in 1994, brings a Gemini lightness to a sport that asks for Taurus body control. Lazaro Cardenas, born in 1895, served as president of Mexico with the same dual quality of warmth and reform.

Your strengths sit in this rare blend. You can think fast and still hold your ground. You read people quickly but do not move on from them. You can pick up a new skill in days, and once you commit to it you stay with it for years. You bring people together because both sides of your chart trust you.

Your growth area is the cost of holding two natures. Some days the Taurus side wants to rest and the Gemini side wants to move. Both feel real. You can swing between long stretches of routine and sudden changes that surprise even you. The work is to honour both rhythms rather than judge yourself for them. Plan rest the way you plan adventure, and you stop feeling pulled in half.

In love, May 21 wants someone who can match both speeds. Libra and Aquarius give the conversation your Gemini side needs. Aries and Leo bring the spark. Capricorn and Virgo offer the steadiness your Taurus side wants. Pisces can soften you, and Cancer reads your moods without you having to explain.

Many May 21 people end up in writing, design, teaching, hospitality, or any field that pairs craft with quick communication.

For your daily Gemini reading, see the Gemini today horoscope. Cusp birthdays feel each transit twice over.

Free readings for a May 21 birthday

The Three Gemini Decans

Each Western sign spans 30 degrees, divided into three 10-degree decans with their own classical sub-ruler. Your decan adds nuance to the broader Gemini archetype.

  • Decan 1Days 1–10
    Sub-ruler: Mercury

    Pure Gemini. Curious, fast, naturally social and witty.

    Your decan

  • Decan 2Days 11–20
    Sub-ruler: Venus

    Charming Gemini. Friendly, artistic, drawn to lively company.

  • Decan 3Days 21–30
    Sub-ruler: Saturn

    Thoughtful Gemini. Curious mind paired with disciplined focus.

Gemini Compatibility

Gemini tends to match best with Libra and other signs that share its energy. Sun sign is only the start. Your Moon, Venus, and full birth chart shape how a bond really feels.

Famous People Born on May 21

  • Mohanlal (Indian actor and producer, 1960)
  • Mary Robinson (President of Ireland, 1944)
  • Albrecht Durer (German artist and theorist, 1471)
  • Tom Daley (English diver, 1994)
  • Lazaro Cardenas (President of Mexico, 1895)

Frequently Asked Questions

What zodiac sign is May 21?+
May 21 is Gemini, but it sits right on the Gemini-Taurus cusp. The Sun moves into Gemini around May 21 every year, so people born on this date carry both Taurus depth and early Gemini quickness.
What decan is May 21 Gemini?+
May 21 is in Decan 1 of Gemini (days 1 to 10). Decan 1 is ruled by Mercury. The cusp tilt also brings Venus from late Taurus, so May 21 people get a rare Mercury and Venus blend.
Who is May 21 Gemini compatible with?+
Gemini born on May 21 do well with Libra, Aquarius, Aries, and Leo. The Taurus cusp also adds quiet harmony with Capricorn and Virgo, who match the steadier side of this birthday.
What is the lucky colour for May 21 Gemini?+
Yellow is the classic Gemini colour, with light green as a fresh second. Soft cream and pale pink also work for the Taurus side of this cusp.
What is the lucky number for May 21 Gemini?+
Lucky numbers for Gemini are 3, 5, and 14. The number 5 in particular tracks well with Mercury and shows up in lucky moments tied to travel, learning, and new contacts.

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