October 19 – October 25, 2026 · 2026-W43 · ~80% through 2026
Week Details
| Week number | 43 |
| Year | 2026 |
| ISO notation | 2026-W43 |
| Start date | Monday, October 19, 2026 |
| End date | Sunday, October 25, 2026 |
| Working days | 5 (Mon–Fri) |
| Year progress | 80% |
Days in This Week
Mon Today
Oct 19 Tue Today
Oct 20 Wed Today
Oct 21 Thu Today
Oct 22 Fri Today
Oct 23 Sat Today
Oct 24 Sun Today
Oct 25 All Weeks of 2026
Week 43 in Other Years
| Year | Start | End |
|---|---|---|
| 2027 | Oct 25, 2027 | Oct 31, 2027 |
Frequently Asked Questions
What dates are in week 43 of 2026?
Week 43 of 2026 starts on Monday, October 19, 2026 and ends on Sunday, October 25, 2026. It contains 5 working days (Monday–Friday) and a 2-day weekend (Saturday–Sunday).
What is the ISO notation for week 43, 2026?
The ISO 8601 week date notation is 2026-W43. Individual days are written as 2026-W43-1 (Monday) through 2026-W43-7 (Sunday).
How far through 2026 is week 43?
Week 43 begins around day 292 of 365, which is approximately 80% through the year.