Dewey Decimal System Day
2025-12-10 00:00 UTC

Jane Addams Day
2025-12-10 00:00

International Mountain Day
2025-12-11 00:00

Noodle Ring Day
2025-12-11 00:00

International Universal Health Coverage Day
2025-12-12 00:00

Feast of Our Lady of Guadalupe
2025-12-12 00:00

International Day of Neutrality
2025-12-12 00:00

Gingerbread House Day
2025-12-12 00:00

Friday the 13th
2025-12-13 00:00

National Guard Birthday
2025-12-13 00:00

Official Lost and Found Day
2025-12-13 00:00

Monkey Day
2025-12-14 00:00

Bill of Rights Day
2025-12-15 00:00

Chocolate Covered Anything Day
2025-12-16 00:00

Wright Brothers Day
2025-12-17 00:00

Pan American Aviation Day
2025-12-17 00:00

International Migrants Day
2025-12-18 00:00

Arabic Language Day
2025-12-18 00:00

International Human Solidarity Day
2025-12-20 00:00

Underdog Day
2025-12-20 00:00

Ugly Sweater Day
2025-12-20 00:00

Sangria Day
2025-12-20 00:00

December Solstice
2025-12-21 00:00

International Dalek Remembrance Day
2025-12-21 00:00

Date Nut Bread Day
2025-12-22 00:00

Festivus
2025-12-23 00:00

Christmas Eve (Many regions)
2025-12-24 00:00

Christmas Eve
2025-12-24 00:00

Eggnog Day
2025-12-24 00:00

Christmas Day (All)
2025-12-25 00:00
