Day Guide for Monday December 21st 2026

This is our day guide for Monday December 21st 2026 which shows you at a glance what's happening around the world on day 355 of 2026.

Holidays on December 21st 2026

Public sector only

Macau: Compensatory rest day for Macao S.A.R. Establishment Day. Sovereignty over Macau was transferred from Portugal to China on December 20th 1999
São Tomé and Príncipe: São Tomé Day. Commemorates the arrival of the first Europeans to São Tomé on December 21st 1471.

December 20th 2026 | Go to Today | Holidays for 2026 are not available yet

Observances on December 21st 2026

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

Menu