Aries Zodiac Sign: Dates, Traits and Personality

The Aries zodiac sign covers birthdays from March 21 to April 19 in the usual table, though the first and last day shift slightly with the year. Aries is the first of the twelve signs, a cardinal fire sign ruled by Mars, and its season opens at the March equinox, when spring begins in the Northern Hemisphere. The zodiac guide sets all twelve signs side by side; this page stays with the ram.

Fact	Aries
Usual dates	March 21 to April 19
Sun enters Aries, 2026	March 20, 10:46 a.m. ET
Sun leaves Aries, 2026	April 19, 9:39 p.m. ET
Element	Fire
Modality	Cardinal
Ruler	Mars
Opposite sign	Libra
Symbol	The ram

Aries dates and the exact change in 2026

March 21 to April 19 is an average. The Sun crosses into each sign at a precise moment that lands a few hours earlier or later every year, so an edge birthday can belong to either neighbor.

For 2026 those moments are known to the minute. Times on this page are Eastern time, computed by the NovaOracles astronomy engine. The Sun entered Aries on March 20, 2026, at 10:46 a.m. EDT, the instant of the March equinox (14:46 UTC). It moved on into Taurus on April 19 at 9:39 p.m. EDT. A baby born on March 20, 2026, before 10:46 a.m. Eastern is therefore a Pisces, and one born from 10:46 a.m. on is an Aries, a day before the table starts the sign. At the other end, April 19 stays Aries until 9:39 p.m.; a birth after that is Taurus. For an edge birthday in another year or time zone, the zodiac sign dates tool checks the Sun's real position for your date.

Element, modality and ruler

Aries is a fire sign, along with Leo and Sagittarius. Its modality is cardinal, the mode of the signs that open a season, and Aries opens the whole zodiac along with spring. Its ruler is Mars, the planet tradition links to drive and to open conflict. Aries has no modern co-ruler in common use.

The opposite sign is Libra, six signs away. Where Aries leans toward self and action, Libra leans toward the other person and toward balance, and much of what tradition says about Aries in partnership runs along that axis. The symbol is the ram, and the glyph ♈ draws its curled horns. The sign is measured from the March equinox point, and a slow wobble of Earth's axis, called precession, has moved the constellation Aries about one sign away over two thousand years, so the sign and the stars of the same name no longer line up.

Aries traits: strengths and shadow

In the astrological tradition, Aries is the starter. The ram is described as direct and quick to act, the person who moves while others are still weighing the options. Honesty tends to come out unfiltered, and a bit of competition feels like play. An Aries is often the one who gets a stalled group moving again.

The shadow sits right next to the strength. Speed can turn into impatience and courage into recklessness, and a love of beginnings can leave projects half done once the first rush fades. The Aries temper is known for flaring fast and cooling just as fast, and holding a grudge is rarely its style. Some of it may fit you and some may not. Either way, your sign is set by the date and time you were born.

Aries in love and compatibility

Tradition reads Aries in love as open and eager. The ram likes to make the first move, says plainly what it feels, and wants a partner with some fire of their own and the confidence to push back. Boredom is the real risk, along with the urge to settle every disagreement right now, when some knots only loosen with time.

The pairings tradition reads as easiest are the other fire signs, which share the pace, and the air signs, which feed the flame. Aries and Leo and Aries and Sagittarius are the classic fire trines, and Aries and Libra is the opposite-sign match, magnetic and demanding at once. The compatibility calculator compares two full charts, which is where a real answer comes from.

Aries at work

At work the ram is a natural opener. It pitches the idea, leads from the front and does well wherever decisions have to be quick. Tradition likes to name sales, emergency response and anything with a launch date, fields that reward the same speed. The harder stretch is the long middle of a project, when the work turns routine. An Aries often thrives with a steady supply of fresh goals, or with a colleague who enjoys finishing what the ram started.

Your Sun is one layer of the chart

Everything above describes the Sun in Aries, which is one piece of a birth chart. Your Moon sign colors how you feel, and your rising sign, the sign on the eastern horizon at the minute of birth, shapes how you come across. An Aries with a Cancer Moon or a Taurus rising can seem far calmer than the stereotype. The big three tool puts Sun, Moon and rising together, and the rising sign calculator works out the ascendant from your birth time and place.

In zodiac order, Aries follows Pisces and comes before Taurus.