Introduction to Capricorn Personality Traits  Capricorn, represented by the sea-goat, is the tenth astrological sign in the zodiac. People born between December 22 and January 19 fall under this sign. Capricorn is an earth sign and is ruled by the planet Saturn. The symbol of the sea-goat represents the duality of Capricorn's nature - the ability to navigate both the realms of the sea and the land. In astrology, Capricorn is known for its ambition, discipline, and practicalit