Day Guide for Sunday December 21st 2025

This is our day guide for Sunday December 21st 2025 which shows you at a glance what's happening around the world on day 355 of 2025.

Holidays on December 21st 2025

Regional

India (regional): Losoong/Namsoong. An important harvest festival for Lepchas and Bhutias in Sikkim.
Macau: Dongzhi. Dongzhi means extreme of winter and is an important festival marking end of shorter daylight
São Tomé and Príncipe: São Tomé Day. Commemorates the arrival of the first Europeans to São Tomé on December 21st 1471.

December 20th 2025 | Go to Today | December 22nd 2025

Observances on December 21st 2025

  • USA: Crossword Puzzle Day
  • USA: Humbug Day
  • USA: National Flashlight Day   
  • USA: National French Fried Shrimp Day
  • USA: National Homeless Persons’ Remembrance Day
  • USA: Phileas Fogg Win A Wager Day
  • USA: Anne & Samantha Day
  • International: Winter Solstice
  • International: Yule

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