Western Astrology
Group # 1 : Aries, Leo and Sagittarius
Group # 2 : Virgo, Capricorn and Taurus
Group # 3 : Gemini, Aquarius and Libra
Group # 4 : Cancer, Scorpio and Pisces.
Chinese Astrology
Group # 1 : Rat, Dragon, Monkey
Group # 2 : Ox, Snake, Rooster
Group # 3 : Tiger, Horse, Dog
Group # 4 : Rabbit, Sheep, Pig