December is the first month of winter in the Northern Hemisphere and the first month of summer in the Southern Hemisphere. In Ancient Rome, as one of the four Agonalia, this day in honor of Sol Indiges …

December is the twelfth and last month in the Gregorian calendar and has 31 days. The December solstice on December 21 or 22 marks the beginning of winter in the Northern Hemisphere.

December, twelfth month of the Gregorian calendar. Its name is derived from decem, Latin for “ten,” indicating its position in the early Roman calendar. This article was most recently revised and …

Nov 21, 2025 · The Month of December 2025: holidays, folklore, fun facts, gardening, recipes, and more from The Old Farmer's Almanac.

Nov 24, 2025 · The full moon in December is known as the cold moon, a name derived from the Mohawk nation, whose traditional territory straddles the U.S.-Canada border.

4 days ago · December has played a crucial role in shaping human history and culture. From ancient Roman traditions to modern-day celebrations, this month has been a time of reflection, festivity, and …

Dec 19, 2022 · From Boxing Day to Yule, the month of December includes several cultural and religious holidays from around the world.

Nov 3, 2025 · Mark these 2025 December holidays and observances down on your calendar. Find daily happenings, awareness days, as well as, weekly and monthly observances.

Explore December holidays and observances, from national days to awareness and seasonal celebrations. Browse by date and see what to celebrate.

Dec 1, 2025 · Don’t worry about trying to keep track of all of the December holidays and observances for 2025. We’ve put together lists by month, week and day so that you won’t miss a thing!