What Day Of The Week Is December 17?

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Thursday December 17, 2026
A date scroll with Latin text from “The Extremes of Good and Evil” by Cicero, written in 45 BC.

December 17: Day of the Week

December 17, 2026 is the 351st day of the year 2026 in the Gregorian calendar. There are 14 days remaining until the end of the year. The day of the week is Thursday.

If you are trying to learn Spanish then this day of the week in Spanish is jueves.

Here’s the December calendar. You can also browse the full year monthly calendar.

December 2026
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Zodiac & Birthstone

Sagittarius is the zodiac sign of a person born on this day. Turquoise is the modern birthstone for this month. Onyx is the mystical birthstone from Tibetan origin that dates back over a thousand years.

December 17 by the Numbers

  • 302 days since December 17
  • 0 year, 9 months, and 27 days ago
  • 9 months since then
  • December 17 is in the 51st week of the year 2026 (ISO 8601)
  • 43 weeks ago
  • The year 2026 is not a leap year

December 17 Historical Event(s)

1777France formally recognizes the United States of America. 1819Simón Bolívar declares the independence of the Republic of Gran Colombia in Angostura (now Ciudad Bolívar in Venezuela). 1926Antanas Smetona assumes power in Lithuania as the 1926 coup d'état is successful. 1935First flight of the Douglas DC-3 airplane. 1969Project Blue Book: The United States Air Force closes its study of UFOs, stating that sightings are generated as a result of “A mild form of mass hysteria, Individuals who fabricate such reports to perpetrate a hoax or seek publicity, psychopathological persons, and misidentification of various conventional objects.” 1969The SALT I talks begin. 1983The IRA bombs Harrods Department Store in London, killing six people. 1989Romanian Revolution: Protests continue in Timişoara with rioters breaking into the Romanian Communist Party’s District Committee building and attempting to set it on fire. 2003SpaceShipOne flight 11P, piloted by Brian Binnie, makes its first supersonic flight. 2005Anti-WTO protesters riot in Wan Chai, Hong Kong

Who were born on December 17?

1796Thomas Chandler Haliburton, Canadian novelist (d. 1865) 1874William Lyon Mackenzie King, 10th Prime Minister of Canada (d. 1950) 1905Simo Häyhä, Finnish sniper (d. 2002) 1926Ray Jablonski, American baseball player (d. 1985) 1959Albert King, American basketball player 1960Moreno Argentin, Italian cyclist 1961Sara Dallin, English singer (Bananarama) 1962Paul Dobson, English footballer 1982Josh Barfield, American baseball player 1983Kosuke Saito, Japanese DJ

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