Birthdays

Born on December 8

Sun sign
Sagittarius — every year, 1940–2030
Sun degrees
15°31′ Sagittarius – 16°55′ Sagittarius · noon UTC, 1940–2030
Decan
second decan of Sagittarius — traditional ruler Mars
This year
December 8, 2026: Sun 16°23′ Sagittarius · Moon in Sagittarius at noon UTC

Dead center of Sagittarius, deep in the Mars decan, nowhere near a boundary: December 8 gets the sign at full concentration. Mid-sign birthdays tend to be the clearest examples of their sign’s type, and this one adds Mars heat to the mix — the Archer at volume, with somewhere to be.

The sign at full volume

Everything the Sagittarius Sun is known for shows up here without a dimmer: the honesty, the humor, the horizon-hunger, the conviction that next year will be bigger than this one. December 8 people fill rooms — not by demanding attention but by generating motion, plans, and laughter at a rate the evening reorganizes around. The Mars decan keeps it from being all talk: the stories are told from experience, not brochures.

Devotion with momentum

Loving a December 8 means joining something already in progress. There is no idle mode to slot into — courtship is a series of invitations, and even the deepest commitment keeps moving: next trip, next project, next version of the shared life. Partners who need long stillness will struggle; partners with engines of their own find this the least boring devotion on offer. At work the birthday is a natural pace-setter — expedition leader, opening act, the one sent wherever morale has flatlined.

Finding the lower gears

The friction is that full volume is the only factory preset. Every dinner becomes a summit, every disagreement a debate final, every quiet Sunday a logistics problem to solve. The people who love this date sometimes need it at half-speed — present, unscheduled, going nowhere. Growth here is learning that stillness is not stalling, and that some of the best hours have no itinerary at all.

Mid-sign clarity ends with the Sun, though. The rest of your chart — Moon, rising, houses — depends entirely on when and where the day found you; the birth chart calculator computes it from the exact minute.

The date, answered

What zodiac sign is December 8?

Sagittarius. In every year from 1940 through 2030, the Sun is in Sagittarius on December 8 — between 15°31′ Sagittarius and 16°55′ Sagittarius at noon universal time.

Is December 8 on the cusp?

No. Across 1940–2030 the Sun sits at least 13.1° inside Sagittarius on December 8, so the sign never changes with the year.

What decan is December 8?

The second decan of Sagittarius (10°–20°), whose traditional ruler is Mars.

What degree is the Sun on December 8?

Between 15°31′ Sagittarius and 16°55′ 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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