Week 40, 2026
ISO-8601 Standard Week
Week 40 of 2026 runs from September 28, 2026 to October 4, 2026, and 2026 has 53 weeks in total.
This week is still ahead. See the full 2026 calendar, or learn why some years have 53 weeks.
Starts On
Monday
September 28, 2026
Ends On
Sunday
October 04, 2026
This week marks approximately 74% of the year 2026 passed.
September 2026 Calendar
| Week | Mon | Tue | Wed | Thu | Fri | Sat | Sun |
|---|---|---|---|---|---|---|---|
| 36 | 31 | 1 | 2 | 3 | 4 | 5 | 6 |
| 37 | 7 | 8 | 9 | 10 | 11 | 12 | 13 |
| 38 | 14 | 15 | 16 | 17 | 18 | 19 | 20 |
| 39 | 21 | 22 | 23 | 24 | 25 | 26 | 27 |
| 40 | 28 | 29 | 30 | 1 | 2 | 3 | 4 |
Holidays in Week 40
Public Holidays Around the World in Week 40, 2026
- Fri, Oct 02 Gandhi Jayanti India
- Sat, Oct 03 German Unity Day Germany
All Weeks in 2026
Week 40 in Other Years
Compare dates and holidays for week 40 across different years:
About Week 40
Week 40 of 2026 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 28 to Friday, October 02) and a standard 2-day weekend.