This is our day guide for Tuesday December 15th 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 15th 2026
Regional
Bonaire, Sint Eustatius and Saba (regional): Kingdom Day
Commemorates the signing of the Charter of the Kingdom of the Netherlands by Queen Juliana on 15 December 1954.Observances on December 15th 2026
USA: Bill of Rights Day
Find out the dates, history and traditions of Bill of Rights Day
USA: Cat Herders Day
Find out the dates, history and traditions of Cat Herders Day
USA: National Cupcake/ Lemon Cupcake Day
Find out the dates, history and traditions of National Cupcake/ Lemon Cupcake Day
India: International Tea Day
A day to celebrate the most popular drink in the world after water.December 14th 2026 | Go to Today | December 16th 2026
| Choose a Day |
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| General Information for December 15th 2026 | |
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| There are 1 public holidays today. | |
| Day 349 of 2026 | |
| 16 days left in 2026 | |
| Week 51 of the year | |
| On this Day in History | |
| 1994 - Palau becomes a member of the United Nations. | |
| 1970 - The South Korean ferry Namyong Ho capsizes in the Korea Strait, killing over 300 people. | |
| 1939 - Gone with the Wind receives its premiere at Loew's Grand Theatre in Atlanta, Georgia, United States. | |
| 1161 - Jin–Song wars: Military officers conspire against Emperor Hailing of the Jin Dynasty after a military defeat at the Battle of Caishi, and assassinate the emperor at his camp. |
Office Holidays provides calendars with dates and information on public holidays and bank holidays in key countries around the world.
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