Week 1, 2025
ISO-8601 Standard Week
Week 1 of 2025 runs from December 30, 2024 to January 5, 2025, and 2025 has 52 weeks in total.
This week is already in the past. See the full 2025 calendar, or learn why some years have 53 weeks.
Starts On
Monday
December 30, 2024
Ends On
Sunday
January 05, 2025
This week marks approximately 100% of the year 2025 passed.
December 2025 Calendar
| Week | Mon | Tue | Wed | Thu | Fri | Sat | Sun |
|---|---|---|---|---|---|---|---|
| 48 | 25 | 26 | 27 | 28 | 29 | 30 | 1 |
| 49 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
| 50 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |
| 51 | 16 | 17 | 18 | 19 | 20 | 21 | 22 |
| 52 | 23 | 24 | 25 | 26 | 27 | 28 | 29 |
| 1 | 30 | 31 | 1 | 2 | 3 | 4 | 5 |
Holidays in Week 1
Public Holidays Around the World in Week 1, 2025
- Wed, Jan 01 New Year's Day United States
All Weeks in 2025
Week 1 in Other Years
Compare dates and holidays for week 1 across different years:
About Week 1
Week 1 of 2025 is a standard business week consisting of 7 days. It follows the ISO-8601 convention where Monday is the first day of the week.
Working Days
In most countries, this week contains 5 working days (Monday, December 30 to Friday, January 03) and a standard 2-day weekend.