This is our day guide for Monday December 20th 2021 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?

Observances on December 20th 2021

Go Caroling Day

Go Caroling Day

Celebrate the harmony and joy of Go Caroling Day on December 20th, uniting communities with festive songs and holiday spirit.

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Mudd Day

Mudd Day

Find out the dates, history and traditions of Mudd Day

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National Sangria Day

National Sangria Day 🍷

Raising a Glass to National Sangria Day: Celebrating a Refreshing Tradition on December 20th.

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International Human Solidarity Day 

International Human Solidarity Day 

Find out the dates, history and traditions of International Human Solidarity Day 

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Public Holidays on December 20th 2021

National Heroes and Heroines Day

National Heroes and Heroines Day

Honours the past and present heroes and heroines of the 1967 Anguilla revolution

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Macao SARE Day

Macao SARE Day

Sovereignty over Macau was transferred from Portugal to China on December 20th 1999

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Public Holiday

Public Holiday

A public holiday in Islamabad has been declared.

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