December 2025 Calendar
| Sun | Mon | Tue | Wed | Thu | Fri | Sat |
|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 6 | |
| 7 | 8 | 9 | 10 | 11 | 12 | 13 |
| 14 | 15 | 16 | 17 | 18 | 19 | 20 |
| 21 | 22 | 23 | 24 | 25Christmas Day | 26 | 27 |
| 28 | 29 | 30 | 31 |
- Dec 25 Christmas Day
December 2025 has 31 days and starts on Monday, December 1.
December 2025 facts
Federal holidays in December 2025
Christmas Day falls on Thursday, December 25, 2025.
Weekdays and business days in December 2025
December 2025 has 4 Sundays, 5 Mondays, 5 Tuesdays, 5 Wednesdays, 4 Thursdays, 4 Fridays, 4 Saturdays. That is 23 weekdays and 8 weekend days. Federal holidays fall on 1 weekday in December 2025, leaving 22 business days.
Where December 2025 sits in the year
December 2025 is in the fourth quarter. December 1, 2025 is day 335 of 2025, and December 31, 2025 is day 365, with 0 days left in the year after the month ends. December 1, 2025 is ISO week 49 of 2025, and December 31, 2025 is ISO week 1 of 2026.
December 2025 compared with December 2024
December 2024 started on Sunday. December 2025 starts on Monday. Christmas Day was Wednesday, December 25, 2024 and in 2025 it is Thursday, December 25, 2025.
December 2025 day-by-day planner
Use the notes column for deadlines, appointments, or reminders. Weekend and U.S. federal holiday dates are identified so the table can also serve as a basic work-planning sheet.
| Date | Day | Day type | Notes |
|---|---|---|---|
| 1 | Monday | Weekday | |
| 2 | Tuesday | Weekday | |
| 3 | Wednesday | Weekday | |
| 4 | Thursday | Weekday | |
| 5 | Friday | Weekday | |
| 6 | Saturday | Weekend | |
| 7 | Sunday | Weekend | |
| 8 | Monday | Weekday | |
| 9 | Tuesday | Weekday | |
| 10 | Wednesday | Weekday | |
| 11 | Thursday | Weekday | |
| 12 | Friday | Weekday | |
| 13 | Saturday | Weekend | |
| 14 | Sunday | Weekend | |
| 15 | Monday | Weekday | |
| 16 | Tuesday | Weekday | |
| 17 | Wednesday | Weekday | |
| 18 | Thursday | Weekday | |
| 19 | Friday | Weekday | |
| 20 | Saturday | Weekend | |
| 21 | Sunday | Weekend | |
| 22 | Monday | Weekday | |
| 23 | Tuesday | Weekday | |
| 24 | Wednesday | Weekday | |
| 25 | Thursday | Federal holiday — Christmas Day | |
| 26 | Friday | Weekday | |
| 27 | Saturday | Weekend | |
| 28 | Sunday | Weekend | |
| 29 | Monday | Weekday | |
| 30 | Tuesday | Weekday | |
| 31 | Wednesday | Weekday |
| Property | Value |
|---|---|
| Days in Month | 31 |
| Weeks | 5 |
| US Federal Holidays | 1 |
| Season | Winter |
| Day of Year (Start) | 335 |
| Days Remaining in Year | 0 |
| Leap Year | No |
Year Overview - December 2025 in Context
Holidays in December:
Christmas Day (25)
Frequently Asked Questions about December 2025
How many days are in December 2025?
December 2025 has 31 days. This includes 23 weekdays and 8 weekend days.
What day of the week does December 2025 start on?
December 2025 starts on Monday. The month ends on Wednesday, December 31, 2025.
Is 2025 a leap year?
No, 2025 is not a leap year. February 2025 has 28 days. The next leap year is 2028.
What US holidays are in December 2025?
Christmas Day falls on Thursday, December 25, 2025.
How many weekdays are in December 2025?
December 2025 has 23 weekdays and 8 weekend days. 22 of those weekdays remain after removing 1 weekday federal holiday.