The Sea-Goat · December 22 – January 19
January 10 Zodiac Sign
Born on January 10, you're a Capricorn — disciplined, ambitious and patient — the zodiac's master strategist.
Zodiac sign
Element · Modality
Earth · Cardinal
Decan (second)
Mars-ruled
Birthstone
Garnet
Birth flower
Carnation
Season position
Day 20 of 29
What astrology says about a January 10 birthday
January 10 is day 20 of Capricorn season, so astrologers link it with the sign's core character: ambitious, disciplined, responsible, patient. Traits astrologers commonly associate with Capricorn include ambitious with a strong long-term vision; disciplined and self-motivated; responsible and trustworthy.
A commonly cited growth area for Capricorn: workaholic tendencies. For the full picture of the sign, read the Capricorn guide.
2nd decan of Capricorn: Mars
Each sign is divided into three decans, 10° slices that the Sun crosses in about ten days each. January 10 falls in the second decan of Capricorn (about January 1–10), which the traditional Chaldean system assigns to Mars. Astrologers say that adds drive, courage and a direct approach.
Mars makes this stretch of the sign more assertive and action-minded — these are people who move first and think about the details on the way.
The number 10 in numerology
The 10 combines the 1's initiative with a full cycle's experience. A birthday on the 10th is read as self-reliant, ambitious and quietly resilient.
Numerology is a separate tradition from astrology and is offered here for interest.
January birthstone and flower
The modern birthstone for January is Garnet and the commonly listed birth flower is the carnation. January falls in deep winter in the northern hemisphere and high summer in the southern.
Capricorn love and compatibility
Capricorn approaches love the way they approach everything else: seriously and with the long term in mind. They are not interested in games; they're interested in building a life with someone.
Astrology is a symbolic tradition, not a science, and interpretations vary between astrologers. This page is for reflection and entertainment, not prediction or advice.
Beyond your January 10 Sun sign
Your Capricorn Sun is one planet. Your Moon, Rising sign and the exact Mars-ruled decan details live in your full natal chart. Get yours free on Skygram.
Get my free birth chartJanuary 10 birthday FAQ
What zodiac sign is January 10?
January 10 falls in Capricorn, which runs from December 22 to January 19 in the tropical zodiac. The Sun changes sign at a slightly different moment each year, so the boundary can fall a day or so either side of these dates. If you were born close to the edge, your birth year, time and place decide it.
Is January 10 a cusp birthday?
Not by the usual definition, which counts the first and last couple of days of a sign. January 10 is day 20 of Capricorn season, so it is normally read as a clear Capricorn birthday.
Which decan is January 10?
January 10 is in the second decan of Capricorn (January 1–10). In the traditional Chaldean system this decan is ruled by Mars, which astrologers say adds its own flavour to Capricorn. Some modern astrologers assign decan rulers by element instead, which gives different planets, and decans are strictly 10° slices of the zodiac, so the date range is approximate.
What are the birthstone and flower for January?
The modern birthstone for January is Garnet and the birth flower is the carnation. These come from calendar tradition rather than astrology, and the lists vary by country and source.