Aries: March 21 - April 19, Fire Sign, symbolizes rebirth from Greek myth, Phrixus and Helle saved by golden ram.
Taurus: 2nd sign (Apr 20 - May 20), earth bull symbol, ancient origins: Mesopotamia's Great Bull, Greek myth Europa & Zeus as bull.
Gemini, the air sign: May 21 - June 21. Twins symbolize duality. Babylonian roots: Pollux & Castor, Zeus grants Pollux immortality.
Cancer, 1st water sign, starts summer (June 22 - July 22). Crab symbol from Greek myth: Hera's crab fights Hercules, crushed later.
Leo: July 23 - Aug 22, a fire sign represented by a lion. Hercules myth: killed Nemea lion, rewarded with constellation.
Virgo: Aug 22 - Sep 23, symbolized by the Maiden Astraea. Represents justice, purity; heralds a future Golden Age.
Libra: 7th phase, Sep 23 - Oct 23. Air sign, symbolizes justice scales held by Themis. Linked to Venus, Astraea; seen at courthouses.
Scorpio: Water sign, 210-240 degrees. Represents scorpion, snake, eagle. In Greek myth, scorpion killed Orion.
Sagittarius, a fire sign, is represented by the centaur archer Chiron. Nov 22 - Dec 21. Chiron mentored Achilles in Greek myth.
Capricorn: Earth sign, Dec 22 - Jan 21, Sumerian-Babylonian origin, goat-sea goat depiction from Amalthea myth, nurtured Zeus.
Aquarius: Air sign, symbolized by water bearer. Dates: Jan 22 - Feb 20. Inspired by Ganymede, linked to wisdom and revolution.
Last Zodiac sign: Pisces, represented by two fish (Aphrodite and Eros) swimming in opposite directions. Greek myth links to Typhoon. Feb 20 - Mar 20.