Week 39 of 2025
Week 39 of 2025 runs from Monday, September 22, 2025, to Sunday, September 28, 2025. See all seven dates, ISO code and adjacent weeks.
ISO week 39September 22–28, 2025Monday through Sunday · 5 weekdays · 2 weekend days
Past
Week 39 at a glance
ISO code2025-W39
Calendar spanSeptember
QuarterQ3 2025
Day of year265–271
Dates in week 39
| Day | Date | Type |
|---|---|---|
| Monday | Weekday | |
| Tuesday | Weekday | |
| Wednesday | Weekday | |
| Thursday | Weekday | |
| Friday | Weekday | |
| Saturday | Weekend | |
| Sunday | Weekend |
About week 39 of 2025
Week 39 of 2025 runs from September 22, 2025 through September 28, 2025. It covers September and contains five standard Monday-to-Friday weekdays.
Public holidays are country-specific and are not removed from this basic weekday count. Use the working-days calculator when holidays need to be excluded.