January Birthdays: Zodiac Sign by Date
The short answer
Pick your day for the Sun's position on it in every year from 1950 to 2025, your decan, and whether you were born on a cusp.
1 to 19 January is Capricorn; 20 to 31 January is Aquarius. Each date below opens its own page.
Every January date
- January 1 (Capricorn)
- January 2 (Capricorn)
- January 3 (Capricorn)
- January 4 (Capricorn)
- January 5 (Capricorn)
- January 6 (Capricorn)
- January 7 (Capricorn)
- January 8 (Capricorn)
- January 9 (Capricorn)
- January 10 (Capricorn)
- January 11 (Capricorn)
- January 12 (Capricorn)
- January 13 (Capricorn)
- January 14 (Capricorn)
- January 15 (Capricorn)
- January 16 (Capricorn)
- January 17 (Capricorn)
- January 18 (Capricorn)
- January 19 (Capricorn)
- January 20 (Aquarius)
- January 21 (Aquarius)
- January 22 (Aquarius)
- January 23 (Aquarius)
- January 24 (Aquarius)
- January 25 (Aquarius)
- January 26 (Aquarius)
- January 27 (Aquarius)
- January 28 (Aquarius)
- January 29 (Aquarius)
- January 30 (Aquarius)
- January 31 (Aquarius)