People born on December 9 fall under the zodiac sign Sagittarius, a fire sign ruled by Jupiter, the planet of expansion, adventure, and optimism. Sagittarians are known for their adventurous spirit, love of freedom, and honesty. Understanding compatibility can help highlight the types of people who match well with a December 9 Sagittarius in love, friendship, and work. https://mytodayshoroscope.com/december-9-birthday-horoscope/