Aries
March 21 to April 19 · Cardinal Fire · Ruled by Mars
- Dates
- March 21 to April 19
- Element
- Fire
- Modality
- Cardinal
- Ruling planet
- Mars
- Birthstone
- Diamond
- Lucky colours
- Red, Scarlet
About Aries
Aries is the first sign of the zodiac, a cardinal fire sign ruled by Mars. Traditionally cast as the initiator, Aries is associated with drive, courage and a headfirst approach to new ventures. The ram is its symbol, and spring's first weeks are its season.
Aries traits
As a cardinal fire sign, Aries is often described with these strengths and challenges. Astrology is a tradition, not a science, so read this as a character sketch rather than a prediction.
Strengths
- Courageous
- Energetic
- Confident
- Pioneering
Challenges
- Impatient
- Impulsive
- Short-tempered
Aries dates and cusps
Aries runs from March 21 to April 19. Because the sun does not cross the sign boundaries at exactly the same clock time each year, the first and last dates can shift by a day. If your birthday sits right on the edge, the birth profile tool will show the sign for your exact date. Aries falls in March and April.
Aries birthstone and colours
The traditional Aries birthstone is Diamond, and the sign's lucky colours are Red and Scarlet. These pair naturally with Aries in jewellery or a birth profile card.
Aries compatibility
Aries tends to match most easily with Leo, Sagittarius, Gemini and Aquarius. These are the classic element-based matches. See how Aries pairs with any sign on the compatibility pages.
Frequently asked questions
What are the Aries dates?
Aries covers March 21 to April 19. Boundary dates can shift by a day between years, so if you were born right at the edge, check your exact birthday.
What element is Aries?
Aries is a fire sign, and specifically a cardinal fire sign ruled by Mars.
What is the Aries birthstone?
The traditional Aries birthstone is Diamond.
Who is Aries most compatible with?
Aries is traditionally most compatible with Leo, Sagittarius, Gemini, Aquarius.
Other zodiac signs
Last updated 2 July 2026.