2026 Days and Dates - US

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December 21, 2026 calendar

is ...

  • 355th day of the year. There are then 10 days left in 2026.
  • 51st Monday of 2026.
  • on the 52nd week of 2026 (using US standard week number calculation).
  • 1st day of Winter. There are 89 days left till Spring.
  • Birthstone for this day: Turquoise & Blue Topaz

December 21, Zodiac Sign

Zodiac
Sagittarius

December 21, 2026 United States Holidays & Popular Observances

December 21, 2026 Popular Holidays & Observances Worldwide

  • Beginning of Winter (Winter Solstice) -
  • Summer Solstice -
  • Gravy Day - Australia
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