December 19 Zodiac Sign
Tradition: Western astrology. A tradition, not a forecast. Astrologers read it this way; the evidence does not.
By Suraj Giri
December 19 is Sagittarius on the dates most calendars use (November 22 to December 21). From 1950 to 2029, every birth hour on December 19 in US Eastern time fell in Sagittarius.
December 19 zodiac compatibility
By this site's zodiac points method, a December 19 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.
| Pair | Verdict | Points | Aspect |
|---|---|---|---|
| Aries and Sagittarius | strong match | 8 of 8 | trine |
| Leo and Sagittarius | strong match | 8 of 8 | trine |
| Libra and Sagittarius | good match | 5 of 8 | sextile |
| Sagittarius and Aquarius | good match | 5 of 8 | sextile |
Have your partner's birthday? Compare December 19 with your partner's birthday.
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.
Sagittarius at a glance for a December 19 birthday
- Element: fire
- Modality: mutable
- Ruler: Jupiter
- Position: day 28 of 30 of Sagittarius
- Next sign: Capricorn, from December 22
- The Sun, 1950 to 2029 (US Eastern time): 26.5 to 28.8 degrees of Sagittarius
December 19 decan (Tradition)
In the triplicity system of decans, a tradition, December 19 falls in the third decan of Sagittarius (20 to 30 degrees), ruled by the Sun.
The older Chaldean system of decans assigns different rulers.
Famous people born on December 19
- Édith Piaf, singer, born 1915
- Pratibha Patil, politician, born 1934
- Jake Gyllenhaal, actor, born 1980
- Alexis Sánchez, footballer, born 1988
- Alyssa Milano, actor, born 1972
Birth dates from Wikidata (CC0), fetched 2026-09-26.
A note on December 19 birthdays
Sagittarius pairs with Aries or Leo for a fire trine that this site rates 8 points, strong, while a Libra pairing settles at 5, good, on the same scale. December 19 reaches 26.5 to 28.8 degrees of Sagittarius, at day 28 of Sagittarius' 30, near the close of a third decan the triplicity system of decans assigns to the Sun. Sagittarius is mutable, and astrologers read that as a readiness to adjust a plan rather than defend one, suiting someone flexible about where an evening ends up.
Questions people ask
What zodiac sign is December 19?
Who is a December 19 Sagittarius most compatible with?
Does the birth year change the zodiac sign for December 19?
Birthdays around December 19
- December 18, Sagittarius
- December 20, Sagittarius
- All December birthdays
Sources
- astronomy-engine 2.1.19: the Sun's position; the methodology page records its check against NASA JPL Horizons, and the build checks it against published equinox and solstice times
- This site's zodiac points method: formula 1.1
- Wikidata (CC0): birth dates, fetched 2026-09-26