The dates related to each zodiac sign change slightly from year to year, but this is an approximation:
Aries (March 21 - April 19)
Fire, cardinal, masculine
Symbol: The Ram
Planetary Ruler: Mars
Taurus (April 20 - May 20)
Earth, fixed, feminine
Symbol: The Bull
Planetary Ruler: Venus
Gemini (May 21 - June 21)
Air, mutable, masculine
Symbol: The Twins
Planetary Ruler: Mercury
Cancer (June 21 - July 21)
Water, cardinal, feminine
Symbol: The Crab
Planetary Ruler: The Moon
Leo (July 22 - August 20)
Fire, fixed, masculine
Symbol: The Lion
Planetary Ruler: The Sun
Virgo (August 21 - September 20)
Earth, mutable, feminine
Symbol: The Virgin
Planetary Ruler: Mercury, Chiron
Libra (September 21 - October 22)
Air, cardinal, masculine
Symbol: The Scales
Planetary Ruler: Venus
Scorpio (October 23 - November 21)
Water, fixed, feminine
Symbol: The Scorpion, the Phoenix and the Eagle
Planetary Ruler: Mars, Pluto
Sagittarius (November 22 - December 21)
Fire, mutable, masculine
Symbol: The Archer
Planetary Ruler: Jupiter
Capricorn (December 22 - January 19)
Earth, cardinal, feminine
Symbol: The Sea-Goat
Planetary Ruler: Saturn
Aquarius (January 20 - February 18)
Air, fixed, masculine
Symbol: The Water-Bearer
Planetary Ruler: Uranus (traditional ruler - Saturn)
Pisces (February 19 - March 20)
Water, mutable, feminine
Symbol: Two Fish Swimming in Opposite Directions
Planetary Ruler: Neptune (traditional ruler - Jupiter)