Thursday, December 17, 2026

Thursday, December 17, 2026 falls on a Thursday. It is day 351 of the year, ISO week 51, in Q4.

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Thursday, December 17

December 17, 2026 is day 351 of 365, ISO week 51, in Q4. The moon is First Quarter and the zodiac sign is Sagittarius.

Day of year351
ISO week51
QuarterQ4
Days left14

Sun and Moon Cycles

Moon phase
First Quarter
Lunar age
8.1 days
Illumination
57%
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/2026-12-17

Today's Celebrations

December 17
Observance Daniel the Prophet
Observance Josep Manyanet i Vives
Observance Lazarus of Bethany (local commemoration in Cuba)
Observance O Sapientia
Observance Olympias the Deaconess
Observance Wivina
Observance Sturm
Observance December 17 (Eastern Orthodox liturgics)

Daily Briefing

Local brief

Thursday, December 17, 2026 combines practical calendar facts with a wider view of the day: 2016: The first victims of a mass methanol poisoning which eventually killed over 70 inhabitants of Irkutsk, Russia, began arriving at hospitals.. Use it to check the date, plan across time zones, and scan the observances and historical markers attached to December 17.

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History for December 17

10 events

The first victims of a mass methanol poisoning which eventually killed over 70 inhabitants of Irkutsk, Russia, began arriving at hospitals.

Arab Spring: Mohamed Bouazizi, a street vendor in Sidi Bouzid, set himself on fire in protest against police harassment, triggering the Tunisian revolution.

American gay rights activist William E. Woods brought three same-sex couples to fill out marriage licenses in Honolulu.

The Troubles: The Provisional Irish Republican Army detonated a car bomb outside Harrods in London, killing six people and injuring about 90 others.

Polish soldiers fired at workers (memorial pictured) emerging from trains in Gdynia, beginning the government's crackdown on mass anti-communist protests across the country.

Harold Holt, the prime minister of Australia, disappeared while swimming near Portsea, Victoria; his body was never recovered.

The Civil Rights Congress presented a document to the United Nations Genocide Convention charging the United States government with genocide against African Americans.

The Finnish Security Police was established to remove communist leadership from its predecessor, the State Police.

News of the day

Wikimedia Current Events

No current-events archive was available for this date during generation.