Week 38, 2025
ISO-8601 Standard Week
Week 38 of 2025 runs from September 22, 2025 to September 28, 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
September 22, 2025
Ends On
Sunday
September 28, 2025
This week marks approximately 73% of the year 2025 passed.
September 2025 Calendar
| Week | Mon | Tue | Wed | Thu | Fri | Sat | Sun |
|---|---|---|---|---|---|---|---|
| 36 | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| 37 | 8 | 9 | 10 | 11 | 12 | 13 | 14 |
| 38 | 15 | 16 | 17 | 18 | 19 | 20 | 21 |
| 39 | 22 | 23 | 24 | 25 | 26 | 27 | 28 |
| 40 | 29 | 30 | 1 | 2 | 3 | 4 | 5 |
Holidays in Week 38
All Weeks in 2025
Week 38 in Other Years
Compare dates and holidays for week 38 across different years:
About Week 38
Week 38 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, September 22 to Friday, September 26) and a standard 2-day weekend.