Born on December 15
December 15: Sagittarius Zodiac & Famous People
The zodiac sign for December 15 is Sagittarius. Famous people born on December 15 include Don Johnson, Katsunori Takahashi — 2 notable figures in all, plus this day’s birthstone, birth flower and birthday rarity.
Actor · b. 1949
Actor · b. 1964
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How many people share the December 15 birthday?
~930 thousand in the U.S., ~22 million worldwide
※ Rough estimate assuming birthdays are evenly distributed (published population figures).
The December 15 birthday profile
Zodiac
Sagittarius
Birthstone
Turquoise / Tanzanite
Birth flower
Poinsettia
Birth color
Silver Gray
Rarity
#217/366
Weekday
Which day?
💎 Turquoise / Tanzanite (Success, Prosperity & Safe Travel) · 🌸 Poinsettia (Blessing, Good Luck & Holy Night)
Sagittarius traits
General traits of the sign December 15 falls under (11/22–12/21) — not a per-day personality or fortune.
Element
Fire
Modality
Mutable
Ruling planet
Jupiter
A freedom-loving adventurer, optimistic and broad-minded.
Associated strengths: Optimistic, Honest, Open-minded, Adventurous
December 15's decan: 3rd decan (20°–30°, ~December 12–December 21) — sub-ruler the Sun (Leo)
Each sign splits into three 10° decans; the 1st is the sign itself, the 2nd and 3rd are sub-ruled by the same-element signs (a traditional rule; the boundary shifts ±1 day by year).
※ Traditional Western astrology attributes — for cultural interest, not a scientific claim.
🎂 Born on December 15?
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