December 18 Zodiac Sign: Sagittarius
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- Date
- December 18
- 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 and Sagittarius
The Sun sign on December 18 is Sagittarius. Across the 41 years from 1992 to 2032, a noon UTC reading does not leave Sagittarius.
Sagittarius dates are November 22 to December 21. December 18 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 18 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 18 is not the same every year. In this span it is Ophiuchus and Sagittarius. The calculator names the one for a specific birth year.
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 18?
December 18 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 18 a cusp birthday?
No. Noon UTC on December 18 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 18 star sign?
People searching for the December 18 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.