Birthdays

Born on December 17

Sun sign
Sagittarius — every year, 1940–2030
Sun degrees
24°40′ Sagittarius – 26°04′ Sagittarius · noon UTC, 1940–2030
Decan
third decan of Sagittarius — traditional ruler Sun
This year
December 17, 2026: Sun 25°32′ Sagittarius · Moon in Pisces at noon UTC

Born on December 17, you get the Sagittarius that cannot keep what it learns. Every cut of this sign collects — places, books, mistakes, philosophies — but in the Sun’s own decan the collection wants students. Knowledge that stops with this date feels unfinished to it, like a joke told to an empty kitchen.

Experience, passed on

The Sagittarius Sun here has the classic teacher’s double gift: genuine substance and the shamelessness to perform it. December 17 people explain things a beat before being asked — how the wine is made, why the empire fell, what the error message actually means — and mostly get away with it because the delivery is warm and the material is good. Their favorite compliment is not “you’re brilliant.” It is “I still use what you showed me.”

The classroom everywhere

In love, this date teaches and — when it is healthy — learns: couples describe whole eras named after each other’s enthusiasms, the climbing years, the bread years. The generous version makes a partner feel capable; the unexamined version makes them feel corrected. Work hardly needs the paragraph: teaching, training, coaching, editing, medicine, any craft with apprentices. Even in unrelated jobs, December 17 becomes the unofficial faculty — the one new hires get sent to, the author of the one document everyone actually reads.

Preaching past the bell

The friction, kindly put: not every moment is teachable. A partner venting wants company, not curriculum; a friend mid-mistake sometimes needs to finish making it. December 17’s growth edge is telling a student apart from a person having a day — and remembering that silence, occasionally, is the advanced course. The best teachers this date ever had knew when to close the book, too.

The lesson plan is solar and set. The classroom assignment — home, stage, clinic, page — is written by the hour you were born, and the full chart posts it.

The date, answered

What zodiac sign is December 17?

Sagittarius. In every year from 1940 through 2030, the Sun is in Sagittarius on December 17 — between 24°40′ Sagittarius and 26°04′ Sagittarius at noon universal time.

Is December 17 on the cusp?

No. Across 1940–2030 the Sun sits at least 3.9° inside Sagittarius on December 17, so the sign never changes with the year.

What decan is December 17?

The third decan of Sagittarius (20°–30°), whose traditional ruler is Sun.

What degree is the Sun on December 17?

Between 24°40′ Sagittarius and 26°04′ Sagittarius at noon universal time, depending on the year — the calendar drifts about a quarter degree per year against the Sun and resets on leap years. Your exact degree needs your birth date, year, and time.

The date gives you the Sun. The rest takes a chart.

Moon, rising, houses, aspects — computed from your exact birth moment, on your device, free.

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