This is our day guide for Sunday December 31st 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?
December 30th 2023 | Go to Today | January 1st 2024
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| General Information for December 31st 2023 | |
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| There are 7 public holidays today. | |
| Day 365 of 2023 | |
| 0 days left in 2023 | |
| Week 52 of the year | |
| On this Day in History | |
| 1999 - The London Eye was officially opened - although it didn't carry passengers until 1 February, 2000. | |
| 1998 - A leap second was added, making 1998 one second longer than 1999 - a quirk that had to be accommodated by Radio-controlled Clocks across the globe. | |
| 1968 - A prototype Tupolev TU-144 takes to the air, the first supersonic transport aircraft. | |
| 1941 - Scottish football manager Sir Alex Ferguson is born. |