Characteristics of Zodiac Signs
Western astrology organises personality traits around twelve zodiac signs, each covering a roughly month-long window of the year based on the sun's position against the constellations. Rather than being twelve unrelated lists of traits, every sign is built from the same underlying structure, which is what the characteristics below describe.
Last updated: 8 September 2026
Key characteristics
Twelve fixed signs
The zodiac is divided into exactly twelve signs, from Aries through Pisces, each covering approximately 30 degrees of the sun's yearly path and a corresponding date range.
Element grouping
Every sign belongs to one of four elements: fire (Aries, Leo, Sagittarius), earth (Taurus, Virgo, Capricorn), air (Gemini, Libra, Aquarius), or water (Cancer, Scorpio, Pisces), which broadly shapes the temperament associated with it.
Modality
Each sign also carries a modality: cardinal (initiating), fixed (stabilising), or mutable (adaptable), describing the sign's general approach to starting, sustaining, or adjusting to change.
A ruling planet
Every sign is associated with a ruling planet (or, in modern astrology, sometimes a planet discovered more recently) believed to shape its core traits, such as Mercury's link to Virgo and Gemini's association with communication and reasoning.
A symbol and myth
Each sign has a symbolic image, such as the Ram for Aries or the Scales for Libra, generally rooted in Greek or Babylonian mythology, that is used as shorthand for its core personality themes.
Assigned personality traits
Astrological tradition assigns each sign a cluster of strengths and challenges, built from its element, modality, and ruling planet, which is what most people encounter as a sign's 'characteristics.'
A compatibility framework
Signs are traditionally described as more or less compatible with each other, often based on shared or complementary elements, forming the basis of popular ideas about zodiac-based relationship matching.
A cultural rather than scientific basis
The framework is a symbolic and cultural tradition dating back roughly two thousand years, and psychological research has not found reliable evidence that birth date predicts measured personality traits.
Frequently asked questions
How many zodiac signs are there and what are they?
There are twelve: Aries, Taurus, Gemini, Cancer, Leo, Virgo, Libra, Scorpio, Sagittarius, Capricorn, Aquarius, and Pisces, each covering roughly one month of the year.
What is the difference between a sun sign and a rising sign?
A sun sign is based on the sun's position at birth and is what most people mean by 'their zodiac sign.' A rising sign, or ascendant, is based on which sign was on the eastern horizon at the exact time and place of birth, and is considered by astrologers to shape outward personality and first impressions.
Are zodiac characteristics scientifically validated?
No. They are part of a long-standing cultural and symbolic tradition. Scientific studies using validated personality models, such as the Big Five, have not found a reliable link between birth date and measured personality traits.