Notable people born on December 18

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People born on this day

Steven SpielbergAmerican filmmaker (born 1946)Born in 1946 · View source ↗1946

Brad PittAmerican actor (born 1963)Born in 1963 · View source ↗1963

Joseph John ThomsonBritish physicist (1856-1940)Born in 1856 · View source ↗1856

Archduke Franz Ferdinand of Austriaheir presumptive to the throne of Austria-Hungary (1863–1914)Born in 1863 · View source ↗1863

Choose a year · 2026–2035

The Moon and calendar traditions on this date

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Calculated for 12:00 UTC on December 18, 2026

Moon phaseFirst quarterCalculated for the selected date and year. Phase names are approximate categories, not the exact instant of a new, quarter or full Moon.

Illuminated fraction63 %

Distance to the Moon382,400 kmApproximate geocentric distance, rounded to 100 km.

Chinese zodiac yearHorse · FireBased on the Chinese lunar year, which does not begin on January 1.

Western zodiacSagittariusTraditional date range; signs are not a scientific description of personality.

Catholic calendarSt. MalachyA commemorated name, not a documented date for a biblical event. Vatican News ↗

Method and calendar: Astronomy Engine · Hong Kong Observatory · Encyclopaedia Britannica

A date to exploreNotable people born on October 18Discover who was born that day Notable figuresNotable people born on October 25Katy Perry and Pablo Picasso An unusual dateNotable people born on February 29Occurs only in leap years