The 1st astrological sign of the zodiac. The sun is in this sign from March 20th - April 20th. It is a "masculine", positive (extrovert) sign. It's element is Fire and quality is Cardinal. Mars is the ruling planet of Aries and constitutes confidence and energy above other things. Their desire for success can make them impulsive, and selfish; driving them to the soldier side. They are considered compatible with signs of the same element (Leo, Sagittarius, and Aries itself). Their main body part is the head and the polar opposite of Aries is Libra.

Zodiac sign for people born between March 22 and April 19, although the days change a bit every year due to the stars or some crap.

Aries people are known to be stubborn, fiesty, impatient, and forgiving. They have an inability to remain angry for long, can't show their feelings because they feel it makes them weak, and some are even violent.

Are even better at hiding feels than the Capricorn, and Aries rivals Taurus and Virgo.

Aries is an astrological sign that is associated with the constellation Aries. Under the tropical zodiac, Aries is occupied by the Sun from about March 21 to April 19 (depending on the exact year) and is associated with the Spring Equinox. Under the sidereal zodiac, it is currently from April 15 to May 15. The opposite sign to Aries is Libra.

Aries is the first sign of the Zodiac and associated with fresh vigor and new beginnings. Individuals born under this sign are thought to have a confident, energetic, adventurous, enthusiastic, fair, passionate, and pioneering character but one which is also prone to selfishness, boastfulness, intolerance, impulsiveness, and impatience. In terms of anatomy Aries is said to rule the cranium, jaw, facial bones, brain, upper teeth, carotid arteries, and nerve centers. In terms of geography Aries is linked with England, Germany, Italy, Denmark, Switzerland, Syria, and Poland.

Physically, individuals born under the sign of Aries supposedly tend to have pointed but symmetrical features, heavy and close-knit eyebrows, a bulbous or button-shaped nose, a prominent forehead, even teeth, and shiny hair. The females are said to often have a definitive jawline and accentuated cheekbones. They are thought to usually be of average height.

The first of the 12 zodiac signs, represented by the ram, which runs from March 21 through April 20.

Aries is the first sign of the Zodiac in original Astrology, with a symbol that is similar to that of the Devil and representing a Ram, one who fights hard, for leadership, and is action oriented, even using their head.
The Ram is ruled by the dangerous Mars, planet of leaders, politics, war, and people associated with medicine amongst other things. In symbols the planet is associated with reptiles and negative influences.
Rams are Fire signs, who most importantly do not do well with Earth signs, and clash with Water signs.
Rams rule the head and so people born under this sign can have a flaw for headaches. Aries are said to like spicy things, but this might put too much fire in to their nature and should not be taken to excess.

Ayurvedically, out of the three Doshas this star is a Pitta. This sign is fresh, energetic, new, and a doer, one who is not as explored in mental areas. It is also an individual, which is neither positive or negative, considering it is said every soul starts in the stars as Aries, not molded or fully developed, which means Aries also represents a beginner. Though they have such need and desire to be first. Perhaps this is why Aries gets along best with Air signs, because they are like teachers and thinkers and give much to signs like Aries. Rams have enthusiastic outlook and few but major passions.
Those born under the influence of this star is bound to be ignorant, stubborn, confident, self evolved, impatient, selfish, etc. Especially if...

21st March to 20th April
Symbol: The Ram
Ruling Planet: Mars
Element: Fire
Basic Trait: I Am

The moment you come across an Aries, the first thing that comes to your mind is his/her friendly nature.

People having an Aries profile cannot tolerate injustice, always fight against it and will defend the weak. 

The innocence of Aries people is enough to cover their, sometimes, aggressive behavior. This naiveté brings fearlessness, while at the same time making them highly vulnerable. They trust people easily, get hurt in the process, forgive and forget, and then, trust again. 

An Aries person is beyond shrewdness, fallacy and lies.

Aries are pretty impatient, but liberal with money and material things.

Aries may get extremely angry in a minute, but the anger seldom lasts for a long time. Aries people never nurse a grudge and completely forgive and forget. 

They will never let you know that they are hurt.

For Aries, people are either black or white, without any shades of grey. 

Aries usually stick to their opinion and won't listen to anything they do not believe. They have a contemplative side to their personality. The simplicity is blended with the blind passion of a born crusader. Aries is mentally strong and always one of the pioneers.

1. The Ram that represents the first of 12 zodiac signs.

2. A strain of marijuana belonging to the upper echelon of the mids category. Popular with individuals who are strapped for cash and need to look good at a social gathering.