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January Zodiac Signs

People born in January are Capricorn ♑ through January 19 and Aquarius ♒ from January 20. Here is the day-by-day chart, what each sign is like and who they match with.

♑Capricorn

January 1 - 19

Earth • Cardinal • ruled by Saturn

Disciplined, ambitious and patient.

♒Aquarius

January 20 - 31

Air • Fixed • ruled by Saturn and Uranus

Independent, inventive and humanitarian.

January birthdays by day

Find your birthday below to see your Sun sign. Boundary dates (January 19 and January 20) can change by a day depending on the year and the hour you were born.

January 1st♑ Capricorn

January 2nd♑ Capricorn

January 3rd♑ Capricorn

January 4th♑ Capricorn

January 5th♑ Capricorn

January 6th♑ Capricorn

January 7th♑ Capricorn

January 8th♑ Capricorn

January 9th♑ Capricorn

January 10th♑ Capricorn

January 11th♑ Capricorn

January 12th♑ Capricorn

January 13th♑ Capricorn

January 14th♑ Capricorn

January 15th♑ Capricorn

January 16th♑ Capricorn

January 17th♑ Capricorn

January 18th♑ Capricorn

January 19th♑ Capricorn

January 20th♒ Aquarius

January 21st♒ Aquarius

January 22nd♒ Aquarius

January 23rd♒ Aquarius

January 24th♒ Aquarius

January 25th♒ Aquarius

January 26th♒ Aquarius

January 27th♒ Aquarius

January 28th♒ Aquarius

January 29th♒ Aquarius

January 30th♒ Aquarius

January 31st♒ Aquarius

Capricorn: January 1-19

Capricorn begins at the winter solstice and rules discipline, structure and long-term achievement. Capricorns are responsible, patient and ambitious, often serious in youth and funnier with age. They believe in earning results.

Strengths

  • Disciplined and responsible
  • Ambitious and patient
  • Practical and organized
  • Dry sense of humor
  • Strong leadership

Challenges

  • Workaholic
  • Pessimistic at times
  • Reserved
  • Controlling
  • Overly focused on status

In love: Capricorn takes love seriously and builds relationships carefully. They are loyal, supportive and committed once trust is established. They show love through reliability and shared goals.

Best matches: Taurus, Virgo, Scorpio, Pisces. Read the full Capricorn guide.

Aquarius: January 20-31

Aquarius arrives in mid-winter and looks to the future. Aquarians are original, independent and idealistic, often drawn to science, technology and social causes. They like to question convention and value freedom of thought.

Strengths

  • Original and inventive
  • Independent
  • Humanitarian
  • Intellectual
  • Open-minded about differences

Challenges

  • Emotionally detached
  • Stubborn about opinions
  • Unpredictable
  • Rebels for its own sake
  • Can seem aloof

In love: Aquarius loves friendship first and needs intellectual connection and freedom. They are loyal but may keep emotional distance. A partner who is also a best friend and respects space suits them well.

Best matches: Gemini, Libra, Aries, Sagittarius. Read the full Aquarius guide.

January cusp birthdays

Cusp birthdays around January 19 and January 20 sit between Capricorn and Aquarius. Astrology gives you one Sun sign, set by the exact moment of birth, but cusp-born people often identify with both neighbors: Capricorn is discipline, ambition, responsibility while Aquarius is innovation, independence, humanitarianism. To check the exact side, use the free birth chart calculator with your birth time and place.

January zodiac FAQ

What zodiac signs are in January?

January has two zodiac signs: Capricorn for birthdays from January 1 to 19, and Aquarius for birthdays from January 20 to 31. Dates can shift by a day in some years because the Sun changes sign at a different hour each year.

Is a January 19 or 20 birthday a cusp?

Birthdays within about a day of January 19 / 20 are often called cusp dates. You still have only one Sun sign, determined by the exact moment of birth and your time zone, but you may recognize traits of both Capricorn and Aquarius. A birth chart calculator can confirm which side you fall on.

What element are January signs?

Capricorn is a earth sign (cardinal) and Aquarius is a air sign (fixed).

What are the most compatible signs for January birthdays?

Capricorn is traditionally most compatible with Taurus, Virgo, Scorpio, Pisces, and Aquarius with Gemini, Libra, Aries, Sagittarius. Compatibility is symbolic and individual charts matter more than Sun signs alone.

Astrology is a symbolic tradition for self-reflection and entertainment, not a substitute for professional advice.