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December 21: what zodiac sign?

If you were born on December 21, your Sun may be in Sagittarius or Capricorn: it depends on the year, time and birth time zone.

Computed: Tue, Oct 13, 2026, 9:51 AM (UTC). Display zone: UTC.

Ranges computed over the whole local day in 1950–2030, not an exact natal position. Another time zone can move the crossing to an adjacent date. Chaldean decans: three 10° sectors, with traditional rulers cycling Mars, Sun, Venus, Mercury, Moon, Saturn, Jupiter.

With the Sun in Sagittarius, enthusiasm seeks a horizon wider than your current habits.

Adventure begins with a possibility. The Sun in Sagittarius gives identity momentum, optimism and candor: an unfamiliar language or a large question can renew your interest. Freedom matters greatly, alongside the risk of overlooking details or saying something without enough attention to its impact.

The Sun in Capricorn values results built patiently and responsibilities carried through.

Ambition often speaks quietly. With the Sun in Capricorn, identity seeks authority through experience, discipline and perseverance. The wish to sustain a commitment is strong; harsh self-evaluation can make it difficult to feel that an achievement is enough, even after substantial effort.

Tropical zodiac, geocentric positions. Times estimated with engine 0.1.0, IANA 2026e zones. Windows are empirical estimates, not confidence intervals.