How many days until December 15?
There are 115 days until December 15, 2026, which lands on a Tuesday. Watch it tick down live, and share the countdown with everyone who should be counting too.
Counting down to December 15
December 15 birthday facts
Born on December 15? That makes you a Sagittarius — adventurous, honest and allergic to boredom. Your birthstone is the turquoise, your birth flower is the narcissus, and your half-birthday lands on June 15 — worth celebrating too. See everything about being born in December, get the full picture with the birthday personality tool, or work out your exact age with the age calculator.
Famous birthdays on December 15
Anyone celebrating a December 15 birthday is in famous company — these are the best-known people born on this exact date:
- Gustave Eiffel (1832) — Eiffel Tower engineer
- Don Johnson (1949) — Miami Vice star
What makes a December 15 birthday special
December 15 is the 349th day of the year, which means a December 15 birthday arrives with 16 days of the year still to go. It falls on the 24th day of Sagittarius season — adventurous, honest and allergic to boredom. December 25 is among the rarest birthdays in the U.S. — while late December babies are famously overrepresented among pro athletes thanks to school-year age cutoffs.
What day of the week is December 15?
| Year | December 15 falls on |
|---|---|
| 2026 | Tuesday |
| 2027 | Wednesday |
| 2028 | Friday |
| 2029 | Saturday |
| 2030 | Sunday |
Quick answers
- How many days until December 15?
- There are 115 days until December 15, 2026. It falls on a Tuesday.
- What zodiac sign is December 15?
- People born on December 15 are Sagittarius — typically adventurous, honest and allergic to boredom.
- What are the birthstone and birth flower for December 15?
- The December birthstone is Turquoise and the birth flower is the Narcissus.
- Which famous people were born on December 15?
- Famous December 15 birthdays include Gustave Eiffel, Don Johnson.