| 2024 | September 23 – September 29, 2024 |
| 2025 | September 22 – September 28, 2025 |
| 2026 | September 21 – September 27, 2026 |
| 2027 | September 27 – October 3, 2027 |
| 2028 | September 25 – October 1, 2028 |
| 2029 | September 24 – September 30, 2029 |
| 2030 | September 23 – September 29, 2030 |
| 2031 | September 22 – September 28, 2031 |
| 2032 | September 20 – September 26, 2032 |
Week 39 of 2026 runs from Monday, September 21, 2026 to Sunday, September 27, 2026.
Week 39 of 2026 starts in 61 days, on Monday, September 21, 2026.
It is currently week 30 of 53 in 2026 (today is Wednesday, July 22, 2026).
These are ISO 8601 week numbers (weeks start Monday; week 1 holds the year's first Thursday), the standard in Europe and in Excel's ISOWEEKNUM. The US convention (Excel's WEEKNUM) starts week 1 on January 1 with weeks starting Sunday, so its numbers can be one higher.