January 18 Zodiac Sign: Capricorn
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- Date
- January 18
- Sun sign
- Capricorn
- Usual range
- December 22 to January 19
- Place in sign
- late, decan 3
- Sub-ruler
- Mercury
- Element
- Earth
- Modality
- Cardinal
- Ruling planet
- Saturn
- Changeover
- No
- Constellation
- Sagittarius
Capricorn holds the Sun at noon UTC on January 18. That is true in every year of the 41 years from 1992 to 2032.
Capricorn dates are December 22 to January 19. January 18 falls in the late part of Capricorn. It is an earth sign, cardinal, ruled by Saturn. Patient, ambitious, serious about the long game.
January 18 sits within two days of a sign change on January 19 and January 20. If the birth was late on this date, check the year in the calculator rather than the printed range.
In 2024 at noon UTC, the Sun on January 18 is in the third decan of Capricorn, the late 10 degrees of the sign. The triplicity sub-ruler of that slice is Mercury.
The constellation behind the Sun on January 18 is Sagittarius. 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: Capricorn. Check this birthday in the zodiac calculator.
Questions
What zodiac sign is January 18?
January 18 is Capricorn. 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 Capricorn. Use a birth time in the calculator if you were born near a nearby changeover.
Is January 18 a cusp birthday?
No. Noon UTC on January 18 stays in Capricorn for every year checked. A sign change still sits nearby, on January 19 and January 20, so a late birth on this date can be worth a calculator check. The first and last days of December 22 to January 19 are the usual edge.
What is the January 18 star sign?
People searching for the January 18 star sign usually mean the Sun sign. On this page that is Capricorn, an earth sign, cardinal, ruled by Saturn, in the late decan with Mercury as the triplicity sub-ruler. Capricorn dates are December 22 to January 19. The constellation behind the Sun is a separate fact.