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Aries: Dates, Personality, Love Style and Compatibility

Aries opens the zodiac at the spring equinox: a Fire sign that moves first, speaks plainly and shines brightest at the start of something new.

DatesMarch 21 – April 19 (start date varies: March 20–21)
ElementFire
ModalityCardinal
Ruling planetMars
SymbolThe Ram (the ram with the golden fleece)
Opposite signLibra
Best matchesLeo · Sagittarius (same element, Fire), Gemini · Aquarius (complementary Air)

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Aries dates and how to check a cusp birthday

In Western astrology Aries is the stretch of the ecliptic from 0° to 30° of celestial longitude, beginning at the March equinox point. Most tables print it as March 21 to April 19, but the moment the Sun enters Aries is the moment of the equinox itself, and that shifts a little from year to year. In East Asian calendars the same instant is the solar term Chunbun (춘분, Spring Equinox), so Korean almanacs and astrologers are measuring exactly the same event.

Calculated for 1930 to 2050 in Korea time, Aries begins on March 20 in some years and March 21 in others. In 2026 it began at 11:46 pm Korea time on March 20, which is 2:46 pm UTC the same day. Time zones matter: a birth at 8 pm on March 20 in Seoul that year was still Pisces, while a birth at 8 pm on March 20 in London, already past the ingress, was Aries.

So if you were born on March 20 or 21, or on April 19 or 20, a date table alone may give you the wrong answer. Compare your birth time with the exact time of the equinox and of the Sun's entry into Taurus for your year and location; any good ephemeris or a cusp calculator will do it. If you only know a lunar-calendar birthday, as many Korean families do, convert it to the solar date first.

Korean readers often look up their star sign, byeoljari (별자리), side by side with their tti (띠), the animal of their birth year in the Korean zodiac. The two systems are completely independent: an Aries can be born in any animal year, and the Korean animal year changes at Ipchun in early February, well before Aries season begins.

Symbol and myth: the ram with the golden fleece

The Ram of Aries is usually identified with Chrysomallos, the flying ram with a golden fleece from Greek myth. When the children Phrixus and Helle were about to be sacrificed through their stepmother's scheming, the ram swooped down and carried them away across the sea. Helle slipped and fell into the strait that took her name, the Hellespont, but Phrixus reached Colchis safely. He sacrificed the ram in thanks, its fleece was hung in a sacred grove guarded by a dragon, and Zeus placed the ram among the stars.

That fleece is the Golden Fleece that Jason and the Argonauts later sailed to recover, one of the great quest stories of the ancient world. It is a fitting emblem for the first sign: rescue, courage and a journey into the unknown. In astrology the glyph ♈ is often read as a ram's horns, or as a sprout breaking through the soil in early spring.

Aries personality: strengths and blind spots

Aries combines the Fire element with the cardinal modality, the initiating quality that starts each season, and it is ruled by Mars, the planet of drive and courage. The result in traditional astrology is a sign of beginnings. Remember that a full birth chart has many other factors, including the Moon sign and rising sign, so a sun sign describes a theme rather than a whole person.

Aries love style

In love, Aries is the classic pursuer. When attracted, this sign tends to make the first move and say so openly, and it enjoys the excitement of the chase. Grand gestures, spontaneous plans and playful competition all feature in the traditional Aries romance. Mind games feel pointless to the Ram, which prefers to know quickly whether the feeling is mutual.

The challenge comes once the early fireworks settle. Aries needs a partner who keeps life interesting and gives it room to act independently, and it can grow restless if a relationship feels like routine. The Ram also benefits from learning to slow down and listen. Partners often say that the most loving thing an Aries does is apologise quickly and mean it. Couples with an Aries in them do best when they keep doing new things together: a new trail, a new city, a new shared project.

Aries compatibility

Sun-sign compatibility is traditionally read through the angles between signs. Signs 120° apart share an element and usually feel easy together; signs 60° apart have complementary elements; the sign 180° away is the opposite, the classic attraction of contrasts; and signs 90° apart form a square, a tense but stimulating link. Enjoy these as patterns for fun and self-reflection; the whole chart and real conversation tell you far more about a relationship.

RelationshipSignsReading
Same element (120°)Leo · SagittariusFellow Fire signs share Aries' pace and warmth. With Leo, a pair of performers cheering each other on; with Sagittarius, two friends heading off on an adventure.
Complementary element (60°)Gemini · AquariusAs air feeds a flame, their ideas and conversation give Aries' drive a direction. Rarely a dull moment.
Opposite (180°)LibraAries puts 'me' first, Libra weighs 'us'. Each has what the other lacks, so the pull is strong; the task is matching decision speeds.
Square (90°, tension)Cancer · CapricornAll three are cardinal and want to lead. Friction comes over emotional expression with Cancer and over pace and rules with Capricorn, but each pairing can sharpen both people.

Aries at work and with money

Aries is traditionally strongest wherever speed, courage and the ability to start from nothing are valued. Entrepreneurship, sales, emergency services, sports and coaching, the military, surgery, and launching new products or teams are classic Aries territory. The sign thrives with clear goals, visible results and the freedom to act without waiting for permission, and it often makes a natural leader in a crisis.

The weak spot is follow-through. Aries can lose interest once the exciting launch phase is over, so it helps to pair up with people who love finishing and maintaining. With money, the traditional Aries earns energetically and spends on impulse, especially on whatever it is excited about this week. A simple rule, such as waiting a day before any large purchase, keeps Mars-driven enthusiasm from emptying the account. This is a description of a traditional temperament, not financial advice.

The real constellation Aries

In the night sky Aries is a modest constellation. Its brightest star, Alpha Arietis or Hamal, is about magnitude 2, and together with Beta (Sheratan) and Gamma (Mesarthim) it forms a short, bent line. From mid-northern latitudes, including Korea, Aries rides high overhead on evenings in late autumn and early winter, around November and December. Around your birthday it is in the same part of the sky as the Sun, so you cannot see it then.

When the twelve signs were fixed around 2,000 years ago, the Sun at the March equinox really did stand in front of the stars of Aries. Because Earth's axis slowly wobbles in a cycle of about 26,000 years, a motion called precession, the equinox point has since drifted about 28° westward. Today, during astrological Aries (March 21 – April 19), the Sun is actually in front of the constellation Pisces. Using the official constellation boundaries of the International Astronomical Union (IAU), the Sun is in the real constellation Aries from about April 20 to about May 14. Astrology keeps its season-based signs, so this does not change anyone's sign.

Lucky correspondences are tradition

Lists of lucky colours, stones and days for each sign are traditional correspondences that grew up over centuries, not rules. They can be fun as a theme for a gift or a personal ritual. The body-part associations come from medieval astrology and should never be used to judge health.

ItemCommon correspondenceOrigin
ColourRedThe red glow of Mars and the Fire element
GemstoneDiamond, bloodstoneModern zodiac birthstone lists (vary by source)
DayTuesdayAncient link between weekdays and planets (Mars)
Body partHead and faceMedieval astrological body correspondences (not a basis for health judgements)

FAQ

I was born on March 20. Am I Aries or Pisces?

It depends on the year and the time. In years when the equinox falls on March 20, people born after that moment are Aries and those born before it are Pisces. Between 1930 and 2050 both March 20 and March 21 starts occur, so check your birth year and time against an ephemeris.

Is April 20 Aries or Taurus?

Most tables say Taurus, but in a year when the Sun enters Taurus in the afternoon of April 20, a morning birth is still Aries. The Taurus start date moves between April 19 and 21, so you need the time to be sure.

Which signs are most compatible with Aries?

Traditionally the fellow Fire signs Leo and Sagittarius feel most natural, with the Air signs Gemini and Aquarius close behind. Libra, the opposite sign, brings strong attraction along with differences to work through.

What is the ruling planet of Aries?

Mars, in both traditional and modern astrology. Scorpio traditionally shared Mars as well, though modern astrologers usually assign Pluto to Scorpio.

When can I see the Aries constellation?

From mid-northern latitudes it is highest on evenings in November and December. Its brightest star, Hamal, is about magnitude 2, so a dark spot away from city lights helps. Around your birthday it is too close to the Sun to see.

Related star signs

♌Leo♌ Jul 23 – Aug 22♐Sagittarius♐ Nov 23 – Dec 21♎Libra♎ Sep 23 – Oct 22
Next →Taurus (Apr 20 – May 20)