Day Guide for Monday December 15th 2025 What are the holidays on December 15th 2025?

This is our day guide for Monday December 15th 2025 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 2025

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.

Not a Public Holiday

Israel: Hanukkah

Observed for eight days in honour of the historic victory of the Maccabbees against religious oppression

Observances on December 15th 2025

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.

International: Hanukkah

Observed for eight days in honour of the historic victory of the Maccabbees against religious oppression

December 14th 2025 | Go to Today | December 16th 2025

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General Information for December 15th 2025
There are 2 public holidays today.
Day 349 of 2025
16 days left in 2025
Week 51 of the year
On this Day in History
1981 – A suicide car bombing targeting the Iraqi embassy in Beirut, Lebanon, levels the embassy and kills 61 people, including Iraq's ambassador to Lebanon. The attack is considered the first modern suicide bombing.
1976 - Western Samoa becomes a member of the United Nations.
1965 - Gemini VIA, one of the Apollo Pathfinders, follows Gemini VII into orbit.
1256 - Hulagu Khan captures and destroys the Hashshashin stronghold at Alamut Castle (in present-day Iran) as part of the Mongol offensive on Islamic southwest Asia.