What number begins the sign of the zodiac Sagittarius?

The sign of the zodiac Sagittarius begins with the number 9. This is because Sagittarius is the ninth astrological sign in the zodiac, and it follows the sign of Scorpio. Sagittarius is a fire sign, and it is represented by the archer, which is why it is often symbolized by an arrow. The symbol of Sagittarius is also said to represent the spirit of exploration, adventure, and freedom. As such, it is often associated with ambition, optimism, and enthusiasm.