Astrodia

Four Classical Elements; this classic diagram has two squares on top of each other, with the corners of one being the classical elements, and the corners of the other being the properties

Symbol	Sign	English name	Element	Season	Quality	Polarity	Celestial body	Brightest star	Constellation	Birth period
	Aries	Ram	Fire	Spring	Cardinal	Positive	Mars	Hamal	Aries	March 21 – April 20
	Taurus	Bull	Earth	Spring	Fixed	Negative	Venus	Aldebaran	Taurus	April 21 – May 20
	Gemini	Twins	Air	Spring	Mutable	Positive	Mercury	Pollux	Gemini	May 21 – June 21
	Cancer	Crab	Water	Summer	Cardinal	Negative	the Moon	Al Tarf	Cancer	June 22 – July 22
	Leo	Lion	Fire	Summer	Fixed	Positive	the Sun	Regulus	Leo	July 23 – August 22
	Virgo	Virgin maiden	Earth	Summer	Mutable	Negative	Mercury	Spica	Virgo	August 23 – September 22
	Libra	Scales	Air	Autumn	Cardinal	Positive	Venus	Zubeneschamali	Libra	September 23 – October 22
	Scorpio	Scorpion	Water	Autumn	Fixed	Negative	Mars	Antares	Scorpius	October 23 – November 21
	Sagittarius	Archer	Fire	Autumn	Mutable	Positive	Jupiter	Kaus Australis	Sagittarius	November 22 – December 21
	Capricorn	Seagoat	Earth	Winter	Cardinal	Negative	Saturn	Deneb Algedi	Capricornus	December 22 – January 20
	Aquarius	Water-Carrier	Air	Winter	Fixed	Positive	Saturn / Uranus	Sadalsuud	Aquarius	January 21 – February 18
	Pisces	Fish	Water	Winter	Mutable	Negative	Jupiter / Neptune	Eta Piscium	Pisces	February 19 – March 20