Online calendar
United States of America December 2025
View the full December 2025 calendar for United States of America with local holidays, month facts, and quick links to nearby dates.
United States reference time
06:57:59 PM
Based on America/New_York
United States of America December 2025 Calendar
December 2025
31 days3 eventsUnited States of America
Sun
Mon
Tue
Wed
Thu
Fri
Sat
First weekday
Monday
Last weekday
Wednesday
Prepared for
Moon phases later
December 2025 in United States of America has 31 days, begins on Monday, ends on Wednesday, and includes 3 local holidays.
About This Calendar Page
This December 2025 calendar page is built for search visibility and day-to-day usefulness. It combines a clean Sunday-to-Saturday grid, readable date hierarchy, live local time in the control bar, and route-based navigation so each month and yearly view can stand on its own.
The holiday layer uses country-aware data and can already power pages like United States of America December 2025 Calendar. The underlying day model also keeps a reserved moon phase field so we can extend the page with richer astronomical details later without changing the route structure.