Capricorn is the 10th astrological sign in the zodiac, originating from the constellation of Capricornus. It spans the 270–300th degree of the zodiac, corresponding to celestial longitude. Under the tropical zodiac, the sun transits this area from December 22 to January 19 each year. Serious Capricorn is ruled by Saturn, the planet of tough lessons and wisdom. Its influence makes these people practical and responsible, but also cold, distant and unforgiving, prone to the feeling of guilt and turned to the past.