Tradition

December Zodiac Sign: Sagittarius or Capricorn

Tradition: Western astrology. A tradition, not a forecast. Astrologers read it this way; the evidence does not.

By Suraj Giri

December birthdays from December 1 to 21 are Sagittarius, and from December 22 to 31 are Capricorn, on the dates most calendars use. December 21 and December 22 are cusp days that can go either way.

December birthdays and their signs; shares of birth hours from 1950 to 2029, US Eastern time
DateSignShare
December 1Sagittarius
December 2Sagittarius
December 3Sagittarius
December 4Sagittarius
December 5Sagittarius
December 6Sagittarius
December 7Sagittarius
December 8Sagittarius
December 9Sagittarius
December 10Sagittarius
December 11Sagittarius
December 12Sagittarius
December 13Sagittarius
December 14Sagittarius
December 15Sagittarius
December 16Sagittarius
December 17Sagittarius
December 18Sagittarius
December 19Sagittarius
December 20Sagittarius
December 21SagittariusSagittarius 74, Capricorn 26
December 22CapricornCapricorn 94, Sagittarius 6
December 23Capricorn
December 24Capricorn
December 25Capricorn
December 26Capricorn
December 27Capricorn
December 28Capricorn
December 29Capricorn
December 30Capricorn
December 31Capricorn

December cusp days

  • December 21: about 74 percent Sagittarius and about 26 percent Capricorn (1950 to 2029, US Eastern time).
  • December 22: about 94 percent Capricorn and about 6 percent Sagittarius (1950 to 2029, US Eastern time).
  • The Sun's move into Capricorn landed between December 21 and December 22 (US Eastern time) in those years.

Sagittarius and Capricorn in love

Sagittarius

By this site's zodiac points method, a Sagittarius scores highest with Aries and Leo, a strong match at 8 of 8 points, then Libra and Aquarius, a good match at 5 of 8.

PairVerdictPointsAspect
Aries and Sagittariusstrong match8 of 8trine
Leo and Sagittariusstrong match8 of 8trine
Libra and Sagittariusgood match5 of 8sextile
Sagittarius and Aquariusgood match5 of 8sextile

who Sagittarius is compatible with

Today's Sagittarius love horoscope

Capricorn

By this site's zodiac points method, a Capricorn scores highest with Taurus and Virgo, a strong match at 8 of 8 points, then Scorpio and Pisces, a good match at 5 of 8.

PairVerdictPointsAspect
Taurus and Capricornstrong match8 of 8trine
Virgo and Capricornstrong match8 of 8trine
Scorpio and Capricorngood match5 of 8sextile
Capricorn and Piscesgood match5 of 8sextile

who Capricorn is compatible with

Today's Capricorn love horoscope

Check two December birthdays together

Scores come from this site's zodiac points method (formula 1.1), reviewed by Jahben R., astrologer, on 2026-09-23. How it works is on the methodology page.

Questions people ask

Is December a Capricorn?
Partly. December 1 to 21 is Sagittarius and December 22 to 31 is Capricorn, on the dates most calendars use; December 21 and December 22 can go either way.
What are the cusp days in December?
December 21 and December 22. From 1950 to 2029 (US Eastern time), December 21 was about 74 percent Sagittarius and December 22 about 94 percent Capricorn.
Which signs do December birthdays match best in love?
By this site's zodiac points method, a Sagittarius scores highest with Aries and Leo (a strong match, 8 of 8 points), then Libra and Aquarius (a good match, 5 of 8); a Capricorn with Taurus and Virgo (a strong match, 8 of 8 points), then Scorpio and Pisces (a good match, 5 of 8).

Sources