Week 1, 2025
ISO-8601 Standard Week
Week 1 of 2025 runs from January 6, 2025 to January 12, 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
January 06, 2025
Ends On
Sunday
January 12, 2025
This week marks approximately 2% of the year 2025 passed.
January 2025 Calendar
| Week | Mon | Tue | Wed | Thu | Fri | Sat | Sun |
|---|---|---|---|---|---|---|---|
| 1 | 30 | 31 | 1 | 2 | 3 | 4 | 5 |
| 2 | 6 | 7 | 8 | 9 | 10 | 11 | 12 |
| 3 | 13 | 14 | 15 | 16 | 17 | 18 | 19 |
| 4 | 20 | 21 | 22 | 23 | 24 | 25 | 26 |
| 5 | 27 | 28 | 29 | 30 | 31 | 1 | 2 |
Holidays in Week 1
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, January 06 to Friday, January 10) and a standard 2-day weekend.