December 11 zodiac sign
Nineteen degrees of Sagittarius falls on December 11, the last degree of the Mars-ruled second decan, though in some years the Sun has already slipped into the Leo decan that follows.
Sun signSagittarius
- Sun at 17°–21° Sagittarius
- 2nd decan · Mars
December 11 in profile
This date sits at the outer edge of the middle degrees, where Sagittarius is fully formed and starting to feel the pull of its final stretch. Jupiter rules the sign; Mars rules the decan through the Aries sub-sign. In years when the Sun has crossed 20°, the Sun itself becomes sub-ruler via Leo, adding warmth and a taste for recognition. Either way, a December 11 Sagittarius is self-propelled, outspoken and keen to run their own show.
Independence is non-negotiable. They keep their own bank account in a couple, their own car if possible, their own friends outside any shared circle. Advice is welcome only once they have asked for it. At work they drift towards roles with autonomy, freelancing or field jobs, anything where nobody checks their hours. A boss who micromanages gets one warning, then a resignation letter.
Money is for movement. They spend on flights, courses and equipment, and feel little attachment to possessions they cannot carry. Savings exist mainly as an escape fund. Gadgets and clothes get passed on to friends without much thought. The pattern works until a large bill lands in the same month as a tempting trip. A separate account for fixed costs, paid automatically, lets the freedom budget stay generous without nasty surprises.
Sagittarius all day
In every year from 1930 to 2040 the Sun was in Sagittarius for the whole of December 11, in every time zone. This is not a cusp birthday: the nearest changes of sign fall around November 23 and December 21.
Your Moon sign depends on the year
The Sun is in the same place on December 11 every year; the Moon is not. It changes sign every two and a half days, so people who share this birthday can have any of the twelve Moon signs. Here is where it was on December 11 in recent years, from 00:00 to 23:59 UTC (an arrow means it changed sign during the day).
- 2017Virgo → Libra
- 2018Aquarius
- 2019Gemini
- 2020Libra → Scorpio
- 2021Pisces → Aries
- 2022Cancer → Leo
- 2023Scorpio → Sagittarius
- 2024Aries → Taurus
- 2025Virgo
- 2026Capricorn
Compatible signs for a Sagittarius
Sun-sign compatibility starts from the element. Sagittarius gets on most easily with its own element and with the two sextile signs, and feels the strongest pull from its opposite. For a December 11 birthday, in the Aries decan, Aries is a natural match. The full charts decide how a real pairing feels.
A gift for a December 11 birthday
A sturdy, good-looking carry-on bag with a few clever pockets, the kind of object that supports independence and gets used every few weeks.
Asked about December 11
What zodiac sign is December 11?
December 11 is Sagittarius in every year: the Sun is at about 17°–21° Sagittarius that day, in the sign’s 2nd decan.
Is December 11 a cusp birthday?
No. The Sun is well inside Sagittarius on December 11. The cusp days, when the Sun changes sign, fall around November 23 and December 21. Astrology has no blended cusp signs anyway: at any moment the Sun is in one sign.
What decan is December 11?
December 11 falls in the 2nd decan of Sagittarius. In the triplicity system we use, that decan belongs to Aries and its ruler Mars, which colours the Sagittarius Sun with a little of Aries. In some years the Sun crosses into the next decan during the day.
Your birthday is only the Sun
A December 11 birthday tells you where the Sun was. The Moon, the Rising sign and eight more planets each sit somewhere of their own, and they depend on the year, the hour and the place. The free calculator shows all of them.