The short version
If your birthday falls between December 22 and January 19, you are a Capricorn: ambitious, disciplined, reserved, and built for the long haul, the zodiac's builder who plays the patient game. Those are the Capricorn dates in most years, but the exact start and end move by a day or so as the Sun shifts, so the edges are worth a closer look.
Why Capricorn dates shift by a day each year
The Sun does not cross into Capricorn at the same minute every year. It enters around December 22 and leaves around January 19, but the precise moment drifts by roughly a day depending on the year and your time zone. That is why two reputable sources can list slightly different Capricorn dates, and why anyone born right at the edge needs their exact birth chart, not a generic date list, to be sure.
Born on the Capricorn cusp?
If you were born at the very start of Capricorn, around December 22, you may be on the Sagittarius-Capricorn cusp: see December 21. If you were born at the very end, around January 19, you may be on the Capricorn-Aquarius cusp: see January 19, January 20. On a cusp, only your full birth chart can settle which sign your Sun is actually in.
The three types of Capricorn: decans
Not every Capricorn is alike. The sign splits into three ten-day decans, each with its own flavor: Capricorn decan 1 (December 22 to 31), Capricorn decan 2 (January 1 to 10), Capricorn decan 3 (January 11 to 19). Your decan sharpens the basic Capricorn picture depending on which third of the sign you were born in.
Capricorn at a glance
Capricorn (♑) is a cardinal earth sign ruled by Saturn. Its opposite sign is Cancer, and it sits between Sagittarius and Aquarius in the zodiac wheel. As a cardinal earth sign, Capricorn is ambitious at its core.
Are you sure you are a Capricorn?
Your Sun sign is the baseline, but it is only the Sun, one of about ten major chart factors. Your Moon, rising sign, and planets depend on your exact date, time, and city, and near a cusp they can even shift your sun sign itself. Calculate your free birth chart to confirm your real placements, then start your 7-day free trial for a personal reading on your WhatsApp each morning.
Frequently Asked Questions
What are the dates for Capricorn?
Capricorn dates run from about December 22 to January 19. The exact boundaries shift by a day or so each year as the Sun moves, so a birthday right at the edge is best confirmed with a full birth chart.
Is someone born on December 22 a Capricorn?
Usually yes, December 22 is right at the start of Capricorn, on the Sagittarius-Capricorn cusp. In some years the Sun crosses a little earlier or later, so a birth on that exact date is best checked against a real chart rather than a generic date list.
What if I was born on the Capricorn cusp?
If you were born near December 22 or January 19, you are on a Capricorn cusp and could be either sign depending on the year and your birth time. Only your full birth chart, built from your exact date, time, and city, can tell you for certain which sign your Sun is in.
Why do Capricorn dates change each year?
Because the calendar and the Sun's path do not line up perfectly. The Sun enters Capricorn at a slightly different moment each year, so the start and end dates drift by about a day. The date ranges you see are the typical ones, accurate for most years.
Curious about the energy of this time of year? See Capricorn season, what it means for every sign.