Fire · Cardinal · ruled by Mars · March 21 – April 19
Aries.
Aries is the sign that moves first: cardinal fire, ruled by Mars, built to start what nobody else will.
Your chart
Is Aries your Sun, Moon, or rising sign?
Compute your real chart free and see every placement by degree. A sign means something different in each seat.
The facts
Aries at a glance
Dates
March 21 – April 19
Element
Fire
Modality
Cardinal
Ruler
Mars
The Sun’s sign change drifts by a day across years. Born on the edge? Check your exact date.
What it is
What Aries actually means
Aries, in plain language
Aries is the first sign of the zodiac, the cardinal fire sign, and it is ruled by Mars. Cardinal means it initiates; fire means it runs on will and heat; Mars means the drive underneath is to act, compete, and defend. Put together, Aries is the part of any chart that would rather begin badly than wait well.
A planet in Aries acts fast, directly, and on its own authority. The Sun there is a person who leads by going first. The Moon there feels anger before sadness and needs motion to settle. Mars there, in its own sign, is the cleanest expression of the drive: a straight line to the thing.
The tell
Aries traits
- You decide in seconds and explain later, if at all. Deliberation feels like a held breath.
- You are at your best at the start of things and restless once they are running.
- You say the thing in the room nobody else will say, and you are surprised when it lands as a blow.
- Your anger is quick, loud, and over fast. You have usually forgotten it before the other person has.
The hard part
The shadow
Named, not flattered
The speed that makes you brave makes you reactive. You can torch something real in the ten seconds before the feeling cools, and the repair costs more than the win. The deeper version is impatience with your own becoming: you want to already be the person, not do the slow work of turning into one.
The move
What to do with it
Somewhere to go
Give the heat a target that takes longer than a week. Pick one thing you will still be doing in a year and treat every start-over impulse as fuel for it, not a reason to leave. And when the anger comes, count the room before you speak: the sentence will still be true in a minute, and it will cost less.
In love and at work
Aries in a relationship, Aries on the job
Aries in love
Aries loves like it does everything else: first, fast, and all in. You are the one who says it before it is safe, and you are drawn to people who can meet the heat without flinching. The work is staying interested after the chase, when the relationship asks for maintenance instead of conquest.
Aries at work
You are a starter, a competitor, and a terrible subordinate. You do your best work with ownership of a front, a clear scoreboard, and a problem nobody has cracked yet. Give you a maintenance job and you will invent a crisis to make it interesting.
By placement
Aries in your chart
A sign is worn differently by each planet. Your Sun in Aries is who you are becoming; your Moon in Aries is how you feel; your rising sign is how you come across.
Sun in Aries
Sun in Aries is here to start things — and feels most alive at the front of the line.
Moon in Aries
Moon in Aries feels fast, hot, and right now — and needs to do something about it immediately.
Aries Rising
Aries rising arrives first, fast, and direct — people feel your momentum before they hear your name.
Mercury in Aries
Mercury in Aries thinks fast and says it faster — the thought and the sentence arrive at the same time.
Venus in Aries
Venus in Aries loves like a pursuit — fast, direct, and most alive in the chase.
Mars in Aries
Mars in Aries goes straight at it — fast, fearless, and already moving while everyone else debates.
Jupiter in Aries
Jupiter in Aries grows by going first — the doors open once you act, and the only real danger is starting more than you can finish.
Saturn in Aries
Saturn is in fall in Aries — it puts a brake on the very nerve Aries runs on, so courage becomes the thing you have to earn rather than the thing you were given.
North Node in Aries
North Node in Aries: the direction is toward yourself, and the habit you are leaving is losing yourself in other people.
Chiron in Aries
Chiron in Aries: the wound is to the right to exist on your own terms, and the gift is a hard-won courage that others borrow.
Uranus in Aries
Uranus in Aries: a generation that reinvents the self and starts things nobody asked for, impatient with every inherited way of being a person.
Neptune in Aries
Neptune in Aries: a generation that idealizes the hero, the new start, and the self-made life, and will be disillusioned by its champions.
Pluto in Aries
Pluto in Aries: a generation that transformed the individual, the frontier, and the right to act, through force.
Compatibility
Aries with every sign
Where it clicks and where it misfires, pair by pair. Sun signs are the trailer; your real charts are the film.
Go further
More Aries
Today
Aries horoscope
The real sky mapped to Aries’s houses, today and this week.
Famous charts
Public figures with the Sun in Aries
Verified natal charts, with provenance, that share the placement.
Birthdays
Born on a Aries date
Every day of the season: the degree, the decan, the cusp facts.
By Moon sign
Aries Moon with every Moon
Emotional compatibility, pair by pair: the second act after the Sun signs.
Free tool
Birth chart calculator
Your whole chart, Whole Sign houses, by degree. No account needed.
Common questions
Aries, answered
What are the Aries dates?
The Sun is in Aries from about March 21 to April 19. The exact changeover shifts by a day across years, so if you were born on March 20 or April 19, check your birth year on the born-on page or compute your chart.
What element and planet rule Aries?
Aries is a cardinal fire sign ruled by Mars. Cardinal signs initiate, fire signs run on will, and Mars is the drive to act, compete, and defend.
Who is Aries most compatible with?
Sun-sign pairings are the trailer, not the film, but Aries tends to click with the other fire signs (Leo, Sagittarius) and with air signs that feed the flame (Gemini, Aquarius). The Aries–Libra opposition is the classic complementary pair. Real compatibility is read from both full charts.
Is Aries my Sun sign, Moon sign, or rising sign?
Your Sun sign comes from your birth date. Your Moon and rising sign need your birth time and place. Aries can sit in any of those positions, and each one means something different: the Sun is who you are becoming, the Moon is how you feel, the rising sign is how you come across.
The other signs
Read another sign
Your turn
That's the general read. Yours is specific.
Compute your real chart and Danu reads your Aries placements by degree, against today's sky.