What Is My Zodiac Sign? Find Your Sign by Birthday

What Is a Zodiac Sign?

The word "zodiac" comes from the Greek zodiakos kyklos, meaning "circle of animals." It refers to the band of sky through which the Sun, Moon, and planets appear to move when observed from Earth. Ancient astronomers divided this band into twelve equal sections of 30 degrees each, naming each section after a prominent constellation in that region of sky.

Your zodiac sign, more precisely called your Sun sign, is the section of this band the Sun occupied at the moment of your birth. Because the Sun moves through all twelve sections over the course of a year (approximately one section per month), everyone born in a given month shares the same Sun sign.

Ptolemy, the Greek-Egyptian mathematician and astronomer, codified the Western astrological system in his second-century text Tetrabiblos. His framework connected each zodiac sign to specific planetary rulers, elemental qualities, and characteristic temperaments. This framework, refined and elaborated over twenty centuries, forms the basis of the Western astrology practiced today.

Linda Goodman's landmark 1968 book Sun Signs brought zodiac sign interpretation to a mass popular audience, describing each sign's personality in accessible, vivid prose that captured the imagination of millions of readers. While Goodman's work is entertaining rather than scholarly, it introduced key astrological concepts to people who would not otherwise have encountered them.

Liz Greene, a Jungian analyst and astrologer who founded the Centre for Psychological Astrology in London, brought intellectual rigour to the field with works like Astrology of Fate (1984) and Saturn: A New Look at an Old Devil (1976). Greene argues that astrology is best understood as a symbolic language for the unconscious, one that maps the same psychic territories that Jung explored through dream analysis and active imagination.

Find Your Sign by Birthday

The table below shows the date range for each zodiac sign. Note that the exact date of transition varies slightly from year to year because the Sun does not move at a perfectly constant rate. If your birthday falls within one day of a transition date, check an astrology ephemeris for the specific year of your birth to confirm your sign.

Fire Signs: Aries, Leo, Sagittarius

Fire signs share an energy of initiation, enthusiasm, inspiration, and direct action. They are driven by a sense of possibility and tend to meet the world with confidence and warmth. Shadow qualities for fire signs include impulsivity, egotism, and the tendency to burn out after intense bursts of energy.

Aries (March 21 - April 19)

Aries is the first sign of the zodiac and carries the archetypal energy of the pioneer. Ruled by Mars, the planet of action and will, Aries people are characterised by directness, courage, and a strong drive to initiate. They are at their best when they are starting something new, leading a charge, or competing to win. Their challenge is sustained follow-through, as the excitement of beginning can fade once the initial thrill passes. Linda Goodman described Aries as the "I am" sign, emphasising the fierce sense of individual selfhood at its core. Robert Hand's Planets in Transit notes that Aries processes experience through immediate action rather than reflection.

Leo (July 23 - August 22)

Leo is ruled by the Sun and carries the archetype of the sovereign, the performer, and the generous heart. Leo people seek to express themselves fully and to be recognised for that expression. At their best, they are warm, generous, creative, and magnanimous. Their shadow includes pride, the need for constant validation, and difficulty sharing the spotlight. Liz Greene connects Leo's deeper task to the integration of the ego with something larger than personal glory, finding the courage to serve rather than merely perform.

Sagittarius (November 22 - December 21)

Sagittarius is ruled by Jupiter, the planet of expansion and philosophy, and carries the archetype of the seeker, the scholar, and the wanderer. Sagittarian energy is optimistic, broad-minded, truth-seeking, and freedom-loving. Their shadow involves dogmatism (being so certain of one's philosophical position that other views cannot be heard), restlessness, and a tendency to make promises they cannot keep. At their best, Sagittarians are the great integrators of the zodiac, synthesising diverse experience into coherent wisdom.

Earth Signs: Taurus, Virgo, Capricorn

Earth signs are connected to the physical world: matter, the body, resources, practical skill, and the slow accumulation of tangible results. They are grounded, reliable, and oriented toward what actually works rather than what merely sounds good. Shadow qualities include rigidity, materialism, and resistance to change.

Taurus (April 20 - May 20)

Taurus is ruled by Venus and carries the archetype of the builder, the sensualist, and the keeper of beauty. Taureans are patient, loyal, and deeply connected to physical pleasure: good food, beautiful environments, physical touch, music, and the natural world. They build slowly and surely, preferring depth to breadth. Their shadow involves possessiveness, resistance to change, and stubbornness that can calcify into an inability to adapt. Linda Goodman described Taurus as the most patient sign in the zodiac, but also the most difficult to move once settled.

Virgo (August 23 - September 22)

Virgo is ruled by Mercury and carries the archetype of the analyst, the craftsperson, and the servant. Virgo energy is discerning, precise, helpful, and devoted to improvement. Virgos see what is not yet working and apply themselves to fixing it. Their gift is in the details; their challenge is the inner critic that can turn the same discerning eye on themselves and others with merciless precision. Liz Greene notes that Virgo's deeper task involves accepting imperfection, including their own, as an inherent quality of human experience rather than a problem to be solved.

Capricorn (December 22 - January 19)

Capricorn is ruled by Saturn and carries the archetype of the elder, the strategist, and the long-term builder. Capricorns are ambitious, disciplined, responsible, and oriented toward lasting achievement. They are comfortable with delayed gratification and tend to become more alive and expressive as they age, reversing the usual arc of youthful exuberance giving way to caution. Their shadow involves excessive focus on status and worldly achievement at the expense of emotional connection and inner life.

Air Signs: Gemini, Libra, Aquarius

Air signs live in the realm of ideas, communication, relationship, and social exchange. They are quick, curious, socially adept, and oriented toward connection and information. Their shadow includes detachment, superficiality, and difficulty sustaining focus in a world of endless interesting stimuli.

Gemini (May 21 - June 20)

Gemini is ruled by Mercury and carries the archetype of the messenger, the communicator, and the eternal student. Geminis are intellectually curious, verbally gifted, socially adept, and endlessly fascinated by ideas, people, and experiences. Their famous duality reflects a genuine capacity to hold multiple perspectives simultaneously. Their shadow involves scattered attention, inconsistency, and the tendency to stay perpetually at the surface level of experience rather than going deep into any single thing.

Libra (September 23 - October 22)

Libra is ruled by Venus and carries the archetype of the mediator, the aesthete, and the seeker of harmony. Librans are naturally diplomatic, fair-minded, aesthetically sensitive, and oriented toward balance and beauty in all things. Their challenge is decisiveness: the capacity to see all sides of a situation so clearly that choosing between them feels like a loss. Liz Greene connects Libra's shadow to the projection of the unwanted "unliberal" qualities of selfishness and aggression onto others rather than integrating them.

Aquarius (January 20 - February 18)

Aquarius is ruled by Uranus (and traditionally Saturn) and carries the archetype of the visionary, the rebel, and the humanitarian. Aquarians are forward-thinking, independent, idealistic, and devoted to collective progress rather than personal gain. They are often ahead of their time and sometimes feel most at home among groups of people who share their unconventional interests. Their shadow involves emotional detachment, contrarianism for its own sake, and difficulty with the intimate, messy reality of individual human relationships.

Water Signs: Cancer, Scorpio, Pisces

Water signs live in the realm of feeling, intuition, memory, and the unconscious. They are sensitive, empathic, psychically receptive, and attuned to the undercurrents of human experience. Their shadow includes emotional overwhelm, boundary difficulties, and the tendency to become lost in feeling states rather than moving through them.

Cancer (June 21 - July 22)

Cancer is ruled by the Moon and carries the archetype of the nurturer, the mother, and the keeper of memory. Cancerian energy is protective, deeply feeling, loyal, and rooted in the past and in home and family. Cancers feel everything deeply and remember everything: they carry the emotional history of their relationships with great fidelity. Their shadow involves excessive emotional reactivity, difficulty releasing old hurts, and the crab's tendency to retreat into the protective shell when feeling threatened rather than engaging directly.

Scorpio (October 23 - November 21)

Scorpio is ruled by Pluto (and traditionally Mars) and carries the archetype of the alchemist, the investigator, and the one who descends into darkness and returns transformed. Scorpio energy is intense, magnetic, deeply perceptive, and oriented toward the hidden, the taboo, and the depths of psychological and spiritual experience. They do not do anything superficially. Their shadow involves power struggles, jealousy, and the scorpion's capacity for destructive retaliation when they feel betrayed. Liz Greene's analysis of Scorpio emphasises the sign's connection to death, regeneration, and the eros that moves through the underworld.

Pisces (February 19 - March 20)

Pisces is ruled by Neptune (and traditionally Jupiter) and carries the archetype of the mystic, the dreamer, and the compassionate one who dissolves boundaries. Piscean energy is imaginative, empathic, spiritually receptive, and naturally attuned to the suffering of others and the longing for transcendence. Their shadow involves escapism (using fantasy, substances, or self-sacrifice as ways to avoid the challenges of embodied life) and difficulty maintaining clear boundaries in a world that constantly presses its suffering upon their open, feeling nature.

Elements and Modalities Explained

Beyond individual sign characteristics, two organizing frameworks help you understand how signs relate to each other: elements and modalities.

The four elements describe the fundamental quality of energy each sign works with:

• Fire (Aries, Leo, Sagittarius): Inspirational, initiating, enthusiastic, identity-focused
• Earth (Taurus, Virgo, Capricorn): Practical, material, grounding, results-oriented
• Air (Gemini, Libra, Aquarius): Intellectual, communicative, relational, idea-focused
• Water (Cancer, Scorpio, Pisces): Emotional, intuitive, receptive, memory-focused

The three modalities describe how signs operate within their seasonal moment:

• Cardinal (Aries, Cancer, Libra, Capricorn): Begin seasons; initiators and leaders who start new cycles
• Fixed (Taurus, Leo, Scorpio, Aquarius): Sustain seasons; concentrators who develop and deepen what cardinality began
• Mutable (Gemini, Virgo, Sagittarius, Pisces): Complete seasons; adapters who synthesise and prepare the ground for the next beginning

Ptolemy outlined both systems in the Tetrabiblos, and they remain foundational to astrological interpretation across traditions and schools.

Sun Sign vs Moon Sign vs Rising Sign

When people refer to "their sign" in casual conversation, they almost always mean their Sun sign. But astrologers consider three key factors in an initial reading: the Sun, the Moon, and the rising sign (ascendant).

The Sun sign represents conscious identity, the core self, the archetype you are learning to embody in this lifetime. It describes your vital energy, your deepest sense of self, and the qualities you are drawn to develop and express.

The Moon sign is determined by which zodiac sign the Moon occupied at your birth time. Because the Moon moves through a full sign roughly every two and a half days, knowing your birth time is required to calculate it precisely. The Moon sign describes your emotional nature, your instinctive responses, what you need to feel safe, and how you were emotionally imprinted in early childhood. Someone with a Scorpio Sun and a Libra Moon will experience a constant internal tension between Scorpio's intensity and depth and Libra's desire for harmony and balance.

The rising sign (ascendant) is determined by the exact time and location of your birth. It describes which sign was rising on the eastern horizon at the moment you were born. The ascendant represents the persona or mask through which you meet the world, the impression you make on others, and the approach to life that feels most natural to you in public settings. Liz Greene writes that the ascendant is "the face we put on for the world," but also the gateway through which we enter life experience. Over time, people tend to grow into their rising sign more fully as they mature.

Born on the Cusp?

Being "born on the cusp" is a popular phrase referring to birthdays that fall near the transition between two signs. The Sun actually moves from one sign to the next at a specific degree, hour, and minute each year, and that moment changes slightly annually. This means that someone born on April 19th in one year might be an Aries, while someone born on the same calendar date in a different year might be a Taurus.

Robert Hand, one of the most respected contemporary astrological scholars, is direct on this point: there is no such thing as a cusp sign. You are either in one sign or the other at any given moment. The way to determine which sign you are if your birthday falls within a day or two of a transition date is to look up an ephemeris (a table of planetary positions) for the exact year of your birth. Many online birth chart calculators will do this automatically if you enter your birth date and year.

What is true is that people born near the end of one sign or the beginning of the next often feel some resonance with both signs. This is partly because other planets in their chart may be in the adjacent sign, and partly because the archetype of the transitioning season carries qualities of both the completing and beginning signs. But the Sun itself is unambiguously in one sign.

Beyond Your Sun Sign: The Birth Chart

A birth chart (natal chart) is a complete map of the sky at the moment of your birth, drawn from the perspective of your birthplace. It includes the position of every planet in the solar system, the Moon, and several significant calculated points like the ascendant and the Midheaven.

Liz Greene describes the birth chart as a symbolic portrait of the psyche: "The chart is not a destiny imposed from without, but a picture of the inner world, the whole person including all their conflicts, potentials, and blind spots." Robert Hand similarly emphasises that the chart shows potentials and tendencies, not fixed outcomes.

Understanding your full chart requires knowing your exact birth time and birthplace in addition to your birth date. Free chart calculators are available through sites like Astro.com (which uses the professional Astrodienst database). A full chart interpretation by a skilled astrologer like those trained in the tradition of Liz Greene or Robert Hand offers a depth of self-understanding that Sun sign descriptions can only hint at.

Key chart elements beyond the Sun sign include:

• Moon sign: Emotional nature and instinctive responses
• Rising sign: How you meet the world and others' first impression of you
• Venus sign: What you love, value, and find beautiful
• Mars sign: How you assert yourself, compete, and pursue desire
• Mercury sign: How you think, communicate, and process information
• Jupiter sign: Where you expand and seek meaning
• Saturn sign: Where you meet your greatest challenges and most important lessons

History of Astrology: Ptolemy to Liz Greene

Western astrology's roots reach back to Mesopotamia, where Babylonian astronomers tracked planetary movements and identified the zodiacal band around 700 BCE. The Greeks absorbed and systematised this knowledge, and Ptolemy's Tetrabiblos (c. 150 CE) synthesised the tradition into the foundational text of Western astrology, one still studied and referenced today.

Astrology flourished through the medieval period as part of the standard curriculum in European universities alongside medicine and philosophy. It fell from academic favour during the Scientific Revolution of the 17th century, as Newtonian mechanics established a mechanistic worldview that left little room for correspondences between celestial patterns and human experience.

The 20th century saw a significant revival of serious astrological inquiry, most notably through the work of practitioners trained in both psychology and astrology. Carl Jung, whose analytical psychology provides one of the richest frameworks for understanding the psyche, used astrological symbolism in his own inner work and clinical practice. He wrote in a 1954 letter: "Astrology represents the sum of all the psychological knowledge of antiquity."

Liz Greene brought the Jungian framework directly into astrological practice. Her books treat each planetary archetype as a dimension of the psyche and each aspect as a psychological dynamic. Her Centre for Psychological Astrology in London has trained hundreds of practitioners in this depth approach. Robert Hand, working from a more traditional and historically informed perspective, has contributed scholarly translations of medieval and Renaissance astrological texts alongside his own landmark works on transits and progressions.

Frequently Asked Questions

Can my zodiac sign change?

Your natal Sun sign does not change. The Sun's position at your birth is a fixed astronomical fact. What sometimes confuses people is the astronomical "Ophiuchus" debate: the Sun actually passes through thirteen constellations, not twelve, but Western astrology uses the tropical zodiac (based on seasons) not the sidereal zodiac (based on actual constellations). The twelve-sign system remains unchanged in Western practice.

Why don't I identify with my zodiac sign?

Sun sign descriptions represent a broad archetype, not a complete personality profile. Many people identify much more strongly with their Moon sign or rising sign than their Sun sign. Additionally, if you have many planets in one element, that element may feel more characteristic of you than your Sun sign's element. The full birth chart provides a far more personalised and accurate picture.

Which sign is the strongest or most powerful?

No sign is inherently stronger or more powerful than another. Each sign has distinctive gifts and distinctive challenges. Scorpio and Capricorn are often described as intense or driven, but an Aries or Leo energy can be equally forceful in different contexts. The question of power in a chart relates to which planets are strongly placed and how the whole chart is balanced, not to the Sun sign alone.

What is my Chinese zodiac sign?

The Chinese zodiac is a completely separate system from Western astrology. It assigns a twelve-year cycle of animal signs rather than twelve monthly signs. Your Chinese sign is determined by your birth year: 2024 was the Year of the Dragon, 2025 the Year of the Snake, 2026 the Year of the Horse. The two systems have entirely different philosophical foundations and interpretive traditions.

Crystals and Practices by Zodiac Sign

Each zodiac sign has traditional correspondences with specific crystals, herbs, colours, and practices that align with its elemental nature and archetypal qualities. These correspondences are not scientifically validated but form a rich symbolic language used by practitioners of crystal healing, herbalism, and spiritual traditions.

Fire Signs (Aries, Leo, Sagittarius): Traditionally aligned with energising, warming crystals like carnelian (for Aries' drive and courage), sunstone and citrine (for Leo's solar warmth and self-expression), and turquoise and blue lace agate (for Sagittarius's expansive, truth-seeking nature). Fire signs benefit from movement-based spiritual practices: active yoga, breathwork that generates heat, and creative expression as spiritual practice.

Earth Signs (Taurus, Virgo, Capricorn): Connected to grounding, stabilising stones like green aventurine and rose quartz (Taurus's Venusian nature), moss agate and peridot (Virgo's healing and discernment), and black tourmaline and smoky quartz (Capricorn's Saturn-ruled discipline and grounding). Earth signs benefit from nature-based practices: gardening, walking meditation, working with the hands, and grounding breathwork.

Air Signs (Gemini, Libra, Aquarius): Resonant with communicative, clarifying stones like clear quartz and blue kyanite (Gemini's mental clarity), rose quartz and lepidolite (Libra's harmony-seeking heart), and amethyst and labradorite (Aquarius's visionary nature). Air signs benefit from journaling practices, breathwork that expands awareness, and community meditation practices.

Water Signs (Cancer, Scorpio, Pisces): Connected to emotionally receptive, intuition-amplifying stones like moonstone and selenite (Cancer's lunar sensitivity), obsidian and malachite (Scorpio's depth and protection), and aquamarine and amethyst (Pisces's boundless compassion and spiritual opening). Water signs benefit from journaling, dream work, gentle water-element rituals, and meditation practices that work with emotion rather than transcending it.