This is our day guide for Thursday December 21st 2023 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 21st 2023
São Tomé and Príncipe: São Tomé Day
Commemorates the arrival of the first Europeans to São Tomé on December 21st 1471.December 20th 2023 | Go to Today | December 22nd 2023
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| General Information for December 21st 2023 | |
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| There are 1 public holidays today. | |
| Day 355 of 2023 | |
| 10 days left in 2023 | |
| Week 51 of the year | |
| On this Day in History | |
| 1968 - The Apollo 8 mission is launched. | |
| 1940 - US musician Frank Zappa is born (d. 1993). | |
| 1817 - John Keats coins the phrase 'Negative Capability' in a letter written to his brothers. | |
| Every year - Today is the Winter Solstice, signifying the official beginning of Winter. |
Office Holidays provides calendars with dates and information on public holidays and bank holidays in key countries around the world.
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