December 13 Zodiac Sign: Sagittarius
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- Date
- December 13
- Sun sign
- Sagittarius
- Usual range
- November 22 to December 21
- Place in sign
- late, decan 3
- Sub-ruler
- Sun
- Element
- Fire
- Modality
- Mutable
- Ruling planet
- Jupiter
- Changeover
- No
- Constellation
- Ophiuchus
Born on December 13, the Sun sign is Sagittarius. Noon UTC stays in Sagittarius through the 41 years from 1992 to 2032, so the birthday itself does not split.
Sagittarius dates are November 22 to December 21. December 13 falls in the late part of Sagittarius. It is a fire sign, mutable, ruled by Jupiter. Restless, frank, drawn to a bigger horizon.
In 2024 at noon UTC, the Sun on December 13 is in the third decan of Sagittarius, the late 10 degrees of the sign. The triplicity sub-ruler of that slice is Sun.
The constellation behind the Sun on December 13 is Ophiuchus. That is the true place of the Sun in the stars, and it is a separate fact from the astrological sign.
Moon, Rising, Mercury, Venus, and Mars still need a birth time and place. This page only settles the Sun sign.
Sign page: Sagittarius. Check this birthday in the zodiac calculator.
Questions
What zodiac sign is December 13?
December 13 is Sagittarius. These pages read the Sun at noon UTC, which is the same tropical sign the zodiac calculator reports for a birth at 12:00 UTC. From 1992 to 2032 that noon figure stays in Sagittarius. Use a birth time in the calculator if you were born near a nearby changeover.
Is December 13 a cusp birthday?
No. Noon UTC on December 13 stays in Sagittarius for every year from 1992 to 2032. A cusp in this system is a day when the Sun actually changes sign, which this date does not. Edge days of November 22 to December 21 are the ones that still need a year and a clock.
What is the December 13 star sign?
People searching for the December 13 star sign usually mean the Sun sign. On this page that is Sagittarius, a fire sign, mutable, ruled by Jupiter, in the late decan with Sun as the triplicity sub-ruler. Sagittarius dates are November 22 to December 21. The constellation behind the Sun is a separate fact.