Whatistheday/Born on December 18

Famous Birthdays on December 18

People born on December 18 are Sagittarius.

Zodiac SignSagittarius

Born December 18, 2026?Year of the Horse

This date in 2026View full date page →

Notable People Born on December 18

Birthday Zodiac: Sagittarius

Everyone born on December 18 shares the Western zodiac sign Sagittarius. The Chinese zodiac animal, however, depends on the birth year — someone born on December 18 in 2026 is a Horse, while a person born on the same date in 2014 is also a Horse (the cycle repeats every 12 years). Explore the Chinese calendar for more.

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Our engine uses the Proleptic Gregorian Calendar for modern and future dates and the Julian Calendar for dates before the Gregorian Reform of 1582. This dual-system approach ensures historically accurate weekday results for any era, making it ideal for academic research, genealogy, and religious calendar synchronization.

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