Born on May 21

May 21 Zodiac Sign: The Enduring Vision That Needs a Finished Form

May 21 arrives at the yearly Taurus-Gemini ingress, so an exact birth year, time, and place are needed to know which sign held the Sun. Either way, the date joins persistence with mental quickness. You may see the complete shape of a project before its first pieces exist and communicate that vision well enough to bring others in. The test comes after the exciting beginning, when repetition and revision ask whether the image was a fascination or a vow. The date brings together Taurus or Gemini, Birthday Number 21/3, the Jack of Clubs, and The World.

Zodiac Taurus or GeminiElement Earth or AirModality Fixed or MutableBirthday Number 21/3Birth Card J♣

May 21 at a glance

May 21 zodiac, birth card, Tarot, and numerology.

May 21 birthday facts
Zodiac signTaurus or Gemini
Taurus and Gemini boundaryThe Sun changes from Taurus to Gemini around May 20 or 21 depending on year and time zone
Sun degreeUsually from the final degree of Taurus to about 2 degrees Gemini
Reference Sabian degreeGemini 1: A glass-bottomed boat reveals undersea wonders
DecanTaurus-Gemini ingress
ElementEarth or Air
ModalityFixed or Mutable
Ruling planetVenus or Mercury
Sign symbolThe Bull or Twins
Opposite signScorpio or Sagittarius
Birthday number21/3
Tarot cardXXI. The World
Cardology birth cardJack of Clubs
BirthstonesEmerald
Birth flowersLily of the valley and hawthorn

May 21 across four symbolic traditions

Western astrology

The Taurus-Gemini boundary and Gemini 1

May 21 sits at the yearly solar ingress. Depending on the birth year, exact local time, and birthplace, the Sun can still be in Taurus or may already have entered Gemini. The birth chart, not the calendar label alone, resolves the sign.

Gemini 1 is pictured as a glass-bottomed boat reveals undersea wonders. Cosmic Oceans calls it "The Window Beneath the Surface." For this birthday, the image brings enduring vision joined to the follow-through that turns a compelling beginning into a whole work into a specific scene and asks how the quality appears in conduct, choices, and relationships.

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Numerology

Birthday Number 21/3

21/3 reduces to 3 and brings expression, imagination, and the ability to make an idea memorable. On May 21, the number works through the day's concern with enduring vision joined to the follow-through that turns a compelling beginning into a whole work.

Birthday Number 21/3 describes the calendar day, not the complete numerology profile. The Life Path changes with the birth year, so two people born on May 21 can share this number and still carry very different larger patterns.

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Cardology

Jack of Clubs

The Jack of Clubs belongs to the suit concerned with knowledge, language, plans, and the life of the mind. Its rank speaks to inventive talent, adaptability, and the choice to make cleverness answerable to purpose.

On May 21, the card adds a practical edge to enduring vision joined to the follow-through that turns a compelling beginning into a whole work. It describes both what can become highly capable and where clearer limits keep that capability from carrying more than it should.

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Jack of Clubs playing card

Tarot correspondence

The World

The World completes a cycle and reveals the larger pattern it served. Completion is not an ending alone; it is earned integration and readiness to enter the next field whole.

Beside the Jack of Clubs, The World places a second light on enduring vision joined to the follow-through that turns a compelling beginning into a whole work: not a prediction, but a way to notice when the gift is working clearly and when it has started repeating itself unconsciously.

Read The World
The World Tarot card from the Rider-Waite-Smith deck

The Sun is usually from the final degree of taurus to about 2 degrees gemini on May 21. Its exact sign and degree can shift with the birth year, local time, and birthplace, so a neighboring Sabian image may apply. The birth tool below calculates the actual moment. Explore the Sabian symbols.

May 21 birthday personality and traits

May 21 arrives at the yearly Taurus-Gemini ingress, so an exact birth year, time, and place are needed to know which sign held the Sun. Either way, the date joins persistence with mental quickness. You may see the complete shape of a project before its first pieces exist and communicate that vision well enough to bring others in. The test comes after the exciting beginning, when repetition and revision ask whether the image was a fascination or a vow.

Read together, the day number, cards, and solar season point toward enduring vision joined to the follow-through that turns a compelling beginning into a whole work. This is one shared layer of the birthday, while the rest of the chart and the life already lived make it personal.

01

The Window Beneath the Surface

Inquisitiveness, subtle observation, symbolic perception, and the ability to discover meaningful patterns without immediately becoming overwhelmed by them. Look carefully and remain grounded. Let discovery widen your map while remembering that seeing through a window is the beginning of relationship, not its completion.

02

Stay until the parts recognize one another

Birthday Number 21/3 expresses and connects, while The World completes a cycle by integrating its separate pieces. Define the whole before multiplying its features. Build in stages, close each loop, and let the final ten percent receive the same imagination as the opening. Completion gives your vision a life beyond your enthusiasm.

03

Build continuity without losing the conversation

You may need both reliability and intellectual movement in love. A bond that offers only one can feel unfinished. Tell a partner which routines create safety and which forms of novelty keep you present. Endurance is not sameness; it is the decision to keep meeting the evolving person.

04

Let the first glass reveal the real direction

Gemini 1 describes a glass-bottomed boat revealing life below the surface. Curiosity can bring a hidden world into view without possessing it. Look closely, share what you notice, and remember that observation is a relationship with living depth. Wonder becomes wisdom when it remains respectful.

May 21 love and compatibility

You may need both reliability and intellectual movement in love. A bond that offers only one can feel unfinished. Tell a partner which routines create safety and which forms of novelty keep you present. Endurance is not sameness; it is the decision to keep meeting the evolving person.

A Taurus-Gemini ingress Sun cannot be read accurately from the calendar date alone. Earth and water signs may understand the Taurus pace more easily, while air and fire signs may move naturally with Gemini's quick exchange. The complete charts show the actual pattern between two people.

Birthday Number 21/3, the Jack of Clubs, and The World reveal needs that a Sun-sign comparison cannot see alone. A strong match is a person whose complete chart and choices can meet this birthday's need for enduring vision joined to the follow-through that turns a compelling beginning into a whole work without turning it into a fixed role.

Astrology compatibility · Cardology compatibility · Human Design compatibility

Calculate the rest of your birth moment

See the complete chart behind your May 21 birthday.

Your date gives you Birthday Number 21/3, the Jack of Clubs, and The World. Add your birth time and birthplace to calculate the exact Sun degree, Sabian symbol, Moon, Rising sign, Human Design, and the other systems connected to your Cosmic Snapshot.

No account required · Results in about 30 seconds · Your birth details are used only to calculate your chart.

Shared birthdays

Famous people born on May 21.

  • Albrecht Durer1471German painter and printmaker
  • Henri Rousseau1844French painter
  • Fats Waller1904American jazz pianist and composer
  • Andrei Sakharov1921Soviet physicist and human rights advocate
  • Mary Robinson1944Irish politician and former president of Ireland
  • Mr. T1952American actor and television personality
  • The Notorious B.I.G.1972American rapper

On this date

What happened on May 21.

  • 1881Clara Barton founded the American Red Cross
  • 1927Charles Lindbergh landed in Paris after his solo transatlantic flight
  • 1932Amelia Earhart landed in Ireland after flying solo across the Atlantic
  • 1991Former Indian prime minister Rajiv Gandhi was assassinated
  • 1998Indonesian president Suharto resigned after 32 years in power

May 21 birthday questions

What people ask about May 21 birthdays.

What is the May 21 zodiac sign?

May 21 can be Taurus or Gemini. The Sun reaches the tropical Gemini boundary around May 20 or 21, and the exact answer depends on the birth year, local time, and birthplace.

What is the May 21 birthday personality?

May 21 is associated with enduring vision joined to the follow-through that turns a compelling beginning into a whole work. Birthday Number 21/3 expresses and connects, while The World completes a cycle by integrating its separate pieces. Define the whole before multiplying its features. Build in stages, close each loop, and let the final ten percent receive the same imagination as the opening. Completion gives your vision a life beyond your enthusiasm.

What degree is the Sun on May 21?

The Sun is usually from the final degree of taurus to about 2 degrees gemini across birth years and time zones. The exact degree requires the year, local birth time, and birthplace.

What is the Sabian symbol for May 21?

This page uses Gemini 1, pictured as a glass-bottomed boat reveals undersea wonders, as the date's reference symbol. The exact birth moment may move the Sun to a neighboring degree.

What is the May 21 Cardology birth card?

The May 21 birth card is the Jack of Clubs. It is associated with inventive talent, adaptability, and the choice to make cleverness answerable to purpose.

Which Tarot card matches May 21?

May 21 corresponds with The World, card XXI of the Major Arcana. The World completes a cycle and reveals the larger pattern it served. Completion is not an ending alone; it is earned integration and readiness to enter the next field whole.

What is the numerology number for May 21?

The birthday number is 21/3, which reduces to 3 and is associated with expression, imagination, and the ability to make an idea memorable. The Life Path is calculated separately from the complete birth date.

Who is May 21 most compatible with?

A Taurus-Gemini ingress Sun cannot be read accurately from the calendar date alone. Earth and water signs may understand the Taurus pace more easily, while air and fire signs may move naturally with Gemini's quick exchange. The complete charts show the actual pattern between two people. Full compatibility depends on both complete birth profiles rather than Sun signs alone.

Cosmic Oceans presents astrology, numerology, Cardology, and Tarot as symbolic traditions for reflection and entertainment, not as scientific, medical, psychological, legal, or financial advice.

Your complete birth chart

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