December 31 Zodiac Sign
People born on December 31 are Capricorn.
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December 31 and Capricorn season
Capricorn season ran from 12-21 at 09:21 UTC to 01-19 at 20:00 UTC in 2024.
Capricorn season ran from 12-21 at 15:03 UTC to 01-20 at 01:45 UTC in 2025.
When the ingress is into Aries, Cancer, Libra, or Capricorn, it marks the March equinox, June solstice, September equinox, or December solstice respectively. Ingresses into the other eight signs mark the start of mid season periods.
How to read a December 31 Sun sign
A Sun sign is the sign the Sun occupied at your birth instant. Near an ingress, that instant can fall on either side of the boundary, so people born on December 31 may have different signs in different years.
Enter the birth year, local clock time, and a named time zone such as America/Los_Angeles. The named zone accounts for daylight saving rules on the birth date.
This lookup uses the tropical zodiac and identifies only the Sun sign. Use the chart step for other placements.
What Capricorn birthdays are like
Capricorn
Capricorn energy builds confidence through patience, responsibility, and work that can stand the test of time. It brings ambition with substance and a quietly impressive staying power. As a cardinal earth sign ruled by Saturn, Capricorn favors giving a long term goal structure; picture a stone stair built one careful step at a time.
Astrology is a symbolic framework, not a scientific personality test or a guarantee about any individual.
Also born around December 31
These birthdays fall within two calendar days before or after December 31; they are not exact date matches.
- Ice Spice · 01-01 · Capricorn
- LeBron James · 12-30 · Capricorn
- Tiger Woods · 12-30 · Capricorn
Frequently asked questions
What zodiac sign is December 31?
People born on December 31 are Capricorn in the tropical zodiac.
Is December 31 Capricorn?
December 31 is Capricorn.
How do I find my exact Sun sign if I was born on December 31?
Enter your birth year, local birth time, and time zone in the exact sign finder. It compares that UTC birth instant with the Sun sign ingress.
All december dates
Updated October 2026
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