what sign is december 22

December 22 is the date when the zodiac sign Capricorn begins. Capricorn is the tenth astrological sign in the zodiac, and it is symbolized by the goat. It is one of the three earth signs alongside Virgo and Taurus, and one of the four cardinal signs. Under the tropical zodiac, the sun transits this area from around December 22 to January 19.