Thursday, December 18, 2025

Thursday, December 18, 2025 falls on a Thursday. It is day 352 of the year, ISO week 51, in Q4.

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Thursday, December 18

December 18, 2025 is day 352 of 365, ISO week 51, in Q4. The moon is New Moon and the zodiac sign is Sagittarius.

Day of year352
ISO week51
QuarterQ4
Days left13

Sun and Moon Cycles

Moon phase
New Moon
Lunar age
28 days
Illumination
3%
Season
Autumn in the Northern Hemisphere, spring in the Southern Hemisphere

Zodiac and Holidays

Zodiac
Sagittarius
Observances
No major fixed observance in the built-in calendar
Shareable URL
/date/2025-12-18

Today's Celebrations

December 18
Observance Expectation of the Blessed Virgin Mary
Observance Flannán
Observance Gatianus of Tours
Observance O Adonai
Observance Sebastian (Eastern Orthodox Church)
Observance Winibald
Observance December 18 (Eastern Orthodox liturgics)
Observance International Migrants Day

Daily Briefing

Local brief

Thursday, December 18, 2025 combines practical calendar facts with a wider view of the day: 2023: A series of mass protests began in Belgrade, Serbia, alleging electoral irregularities in the Serbian parliament and Belgrade city assembly elections.. Use it to check the date, plan across time zones, and scan the observances and historical markers attached to December 18.

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History for December 18

10 events

A series of mass protests began in Belgrade, Serbia, alleging electoral irregularities in the Serbian parliament and Belgrade city assembly elections.

An Amtrak Cascades passenger train derailed near DuPont, Washington, killing three people and injuring sixty-five others.

The school board of Oakland, California, passed a controversial resolution officially declaring African-American Vernacular English to be a separate language or dialect.

Mohammad Mofatteh, an Iranian philosopher, was assassinated by the Furqan Group.

On Her Majesty's Secret Service, the sixth James Bond film and the only one to star George Lazenby, premiered at the Odeon Leicester Square in London.

Epimetheus, one of the moons of Saturn, was discovered, but was mistaken for Janus; it took twelve years to determine that they are two distinct objects sharing the same orbit.

Ghanaian and other African students organized a protest in Moscow's Red Square in response to the alleged murder of medical student Edmund Assare-Addo.

The United States launched SCORE (rocket pictured), the world's first communications satellite.

News of the day

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