Holiday Calendar
6 holidays observed on this day
Tuesday, December 15 2026
Tuesday,
December 15 2026
Previous Monday
SAT 12 DEC SUN 13 DEC MON 14 DEC TUE 15 DEC WED 16 DEC THU 17 DEC FRI 18 DEC
Next Wednesday
Jump to
Today Tomorrow This weekend Next week In a month
THE FRONT PAGE

What December 15 celebrates

6 holidays observed around the world. Sorted by what people are loving today.

National Cupcake Day MOST LOVED TODAY
Food Desserts United States

National Cupcake Day

Celebrate National Cupcake Day with delicious, sweet treats! From classic flavors to unique creations, you'll find something for everyone's taste buds!

Read the full story
02
Bill of Rights Day
Observance
Bill of Rights Day

Celebrate Bill of Rights Day and remember the fundamental rights guaranteed to all US citizens - our freedom is worth protecting!

Culture Civics United States
03
International Tea Day
Food observance
International Tea Day

Celebrate International Tea Day with a cup of your favorite tea - enjoy its health benefits and calming effects while sipping away!

Food Coffee International
04
Lemon Cupcake Day
Food observance
Lemon Cupcake Day

Celebrate Lemon Cupcake Day with delicious treats! Enjoy the sweet and tart flavor of lemon cupcakes for a special treat today!

Food Desserts United States
05
National Wear Your Pearls Day
Observance
National Wear Your Pearls Day

Show off your unique style on National Wear Your Pearls Day - accessorize with pearls, express yourself, and dazzle everyone you meet!

Style Accessories United States
06
National Cat Herders Day
Community origin
National Cat Herders Day

Celebrate National Cat Herders Day with your furry friends - show them some extra love and attention today!

Fun Silly United States
Advertisement
ALSO HAPPENING

This week & month

13 month-long observances and 2 week-long ones that include December 15.

National Cat Lovers’ Month
All of December
National Cat Lovers’ Month
Animals
Month of Giving
All of December
Month of Giving
Awareness
Spiritual Literacy Month
All of December
Spiritual Literacy Month
Religion
Universal Human Rights Month
All of December
Universal Human Rights Month
Awareness
National Drunk and Drugged Driving Prevention Month
All of December
National Drunk and Drugged Driving Prevention Month
Awareness
Safe Toys and Gifts Month
All of December
Safe Toys and Gifts Month
Awareness
National Volunteers Month
All of December
National Volunteers Month
Awareness
Gift of Sight Month
All of December
Gift of Sight Month
Awareness
National Tie Month
All of December
National Tie Month
Style
National Write a Business Plan Month
All of December
National Write a Business Plan Month
Business
Worldwide Food Service Safety Month
All of December
Worldwide Food Service Safety Month
Awareness
Christmas Bird Count Week
December 14 – January 5
Christmas Bird Count Week
Hobbies
Computer Science Education Week
December 14–20
Computer Science Education Week
School
The Nos Galan Road Races
All of December
The Nos Galan Road Races
Sports
Volunteerism Month (Philippines)
All of December
Volunteerism Month (Philippines)
Awareness
Advertisement
UP NEXT
Wednesday
16
December 2026
8+ holidays on this day
National Chocolate Covered Anything Day National Chocolate Covered Anything Day Food · United States Day of Reconciliation Day of Reconciliation Awareness · South Africa Digital Marketers Day Digital Marketers Day Careers · United States
CONTINUE TO Wednesday Dec 16
FOR MARKETERS & CREATORS

Turn every day into a moment your audience actually shows up for.

8.4M
Monthly readers
5K+
Holidays tracked
Holiday Calendar for Brands Developer API