October 12 – October 18, 2026 · 2026-W42 · ~78% through 2026
Week Details
| Week number | 42 |
| Year | 2026 |
| ISO notation | 2026-W42 |
| Start date | Monday, October 12, 2026 |
| End date | Sunday, October 18, 2026 |
| Working days | 5 (Mon–Fri) |
| Year progress | 78% |
Days in This Week
Mon Today
Oct 12 Tue Today
Oct 13 Wed Today
Oct 14 Thu Today
Oct 15 Fri Today
Oct 16 Sat Today
Oct 17 Sun Today
Oct 18 All Weeks of 2026
Week 42 in Other Years
| Year | Start | End |
|---|---|---|
| 2027 | Oct 18, 2027 | Oct 24, 2027 |
Frequently Asked Questions
What dates are in week 42 of 2026?
Week 42 of 2026 starts on Monday, October 12, 2026 and ends on Sunday, October 18, 2026. It contains 5 working days (Monday–Friday) and a 2-day weekend (Saturday–Sunday).
What is the ISO notation for week 42, 2026?
The ISO 8601 week date notation is 2026-W42. Individual days are written as 2026-W42-1 (Monday) through 2026-W42-7 (Sunday).
How far through 2026 is week 42?
Week 42 begins around day 285 of 365, which is approximately 78% through the year.