December Zodiac Signs: Sagittarius and Capricorn
December birthdays fall under Sagittarius or Capricorn. Early December is Sagittarius season, while later dates belong to Capricorn, with cusp days where the sign can depend on the year.
Click Any December Birthday for Its Full Profile
Every day of December has its own personality page with cusp detection, famous birthdays, and year-exact sign verification.
Amber-highlighted days are in a cusp window — the exact sign depends on birth year and time.
FAQ
What zodiac signs are in December?
December birthdays fall under Sagittarius and Capricorn. Early-month birthdays usually belong to the first sign; later in the month the Sun crosses into the next.
When does the zodiac change in December?
The sign change in December falls around day 21 to day 22. Exact cusp timing shifts slightly each year — check the zodiac sign calculator for your year.
Are December birthdays compatible with all signs?
December hosts two signs with different elements and modalities, so compatibility varies. Use our compatibility calculator for your exact sign combination.
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