December 21 zodiac sign: Sagittarius ♐︎
If your birthday is December 21, your sun sign is Sagittarius (Nov 22 – Dec 21) — a fire sign ruled by Jupiter.
December 21 is on a cusp. It sits near the Sagittarius–Capricorn boundary, the "Cusp of Prophecy". The exact sign change shifts by a day in some years, so if you're born here check your birth year and time. Read about the Cusp of Prophecy
Sagittarius: The long view and the open road. People born on December 21 are traditionally described as adventurous, philosophical, optimistic — mutable fire energy drawn to travel, big ideas, freedom.
December 21 personality strengths
- honest
- expansive
- enthusiastic
Challenges
- blunt
- restless
- over-promising
Love & compatibility
Best matches for a December 21 Sagittarius:
Birthstone, colours & lucky numbers
Birthstone: Turquoise · Colours: Purple, Turquoise · Lucky numbers: 3, 9, 21 · Lucky day: Thursday
Careers that suit Sagittarius
academic, travel or documentary work, law, publishing, sports