December 18, 2024, is the 353rd day of the year, with 12 days remaining until the end of the year. Falling on a Wednesday in the 51st week, December 18th celebrates nine national day observances, ranging from cultural appreciation to unique traditions.

Below is a list of all national and international days celebrated on December 18, each with a brief explanation.


Answer the Telephone Like Buddy the Elf Day: Inspired by the 2003 movie Elf, this day encourages adding a bit of holiday cheer by answering the phone as Buddy the Elf, spreading joy and laughter with every call.

Bake Cookies Day: Perfectly timed for the holiday season, this day invites everyone to bake delicious cookies to enjoy with loved ones and prepare for Christmas festivities.

Flake Appreciation Day: Celebrating the uniqueness of snowflakes, this day highlights their beauty and the scientific marvel behind their formation. Inspired by Wilson Bentley, “The Snowflake Man,” it encourages us to appreciate nature’s beauty.

International Migrants Day: Established by the UN in 2000, this day emphasizes the protection of migrants’ human rights and acknowledges their contributions worldwide. It commemorates the 1990 adoption of the International Convention on the Rights of Migrant Workers.

National Crime Junkie Day: Celebrating true crime enthusiasts, this day highlights the fascination with real-life mysteries and unsolved cases. Established in 2022, it honors those captivated by criminal psychology and justice.

National Roast Suckling Pig Day: This day highlights the tradition of preparing a special dish that has been enjoyed in various cultures for its unique flavors and festive appeal.

National Twin Day: Recognizing the unique bond shared by twins, this day has been celebrated annually since 2019 to honor siblings who share a birthday.

Wear a Plunger on Your Head Day: A whimsical observance created in 2007, this day invites everyone to embrace silliness and don a plunger on their heads, celebrating humor and fun in an unconventional way.

World Arabic Language Day: Proclaimed by UNESCO in 2012, this day celebrates Arabic as one of the UN’s official languages. It recognizes its cultural diversity and significance, marking the day in 1973 when Arabic was adopted as the sixth official UN language.


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➡️  Have you already seen DigitalHyyge’s National Days Calendars 2025?

➡️  Complete list of December National Days

➡️  Complete list of January National Days

➡️  Curious to see more national and international celebrations? We have dozens of national days lists curated for you!

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Last Update: December 9, 2024