This is our day guide for Sunday December 20th 2026 which shows you at a glance what's happening on this day around the world. Using the calendar on this page, you can look at a day guide for any day. Why not look up your birthday to see which holidays you share it with?
Holidays on December 20th 2026
Macau: Macao SARE Day
Sovereignty over Macau was transferred from Portugal to China on December 20th 1999
Panama: National Mourning Day
Honours the Panamanians who died during the 1989 U.S. invasion of the country.Observances on December 20th 2026
United Nations: International Human Solidarity Day
Find out the dates, history and traditions of International Human Solidarity Day
USA: Mudd Day
Find out the dates, history and traditions of Mudd Day
USA: National Sangria Day
Raising a Glass to National Sangria Day: Celebrating a Refreshing Tradition on December 20th.
International: Go Caroling Day
Celebrate the harmony and joy of Go Caroling Day on December 20th, uniting communities with festive songs and holiday spirit.December 19th 2026 | Go to Today | December 21st 2026
| Choose a Day |
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| General Information for December 20th 2026 | |
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| There are 2 public holidays today. | |
| Day 354 of 2026 | |
| 11 days left in 2026 | |
| Week 51 of the year | |
| On this Day in History | |
| 1956 - The Alabama bus boycott ended on this day - an event mentioned in the lyrics of Billy Joel's 'We Didn't Start The Fire'. | |
| 1955 - Cardiff is proclaimed the capital of Wales. | |
| 1886 - SS Cormorant runs aground at a beach near Whale Chine, Isle of Wight. | |
| 1820 - The 20 surviving crewmen of the wrecked Whaleship Essex reach land. |
Office Holidays provides calendars with dates and information on public holidays and bank holidays in key countries around the world.
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