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December carries a sense of celebration and closure, and the December 2025 calendar is packed with events that reflect that. In the Northern Hemisphere, it’s the heart of winter, filled with festive holidays, school breaks, and year-end planning. In the Southern Hemisphere, December marks the start of summer, often tied to long holidays, outdoor gatherings, and travel.
In 2025, December begins on Monday, December 1, and ends on Wednesday, December 31, giving the month 31 days with four full weekends. This structure makes it easy to map out both work responsibilities and holiday traditions.
Several major holidays fall this month. Christmas Day is on Thursday, December 25, followed by Boxing Day in many countries on Friday, December 26. Hanukkah begins at sunset on Sunday, December 14, while Kwanzaa runs from Friday, December 26, through Thursday, January 1, 2026. The year concludes with New Year’s Eve on Wednesday, December 31, one of the most widely celebrated days around the world.
Whether you’re wrapping up projects, planning holiday travel, or preparing for the new year, a December 2025 printable calendar helps you stay organized through one of the busiest months of the year.