October 18 – October 24, 2027 · 2027-W42 · ~80% through 2027
Week Details
| Week number | 42 |
| Year | 2027 |
| ISO notation | 2027-W42 |
| Start date | Monday, October 18, 2027 |
| End date | Sunday, October 24, 2027 |
| Working days | 5 (Mon–Fri) |
| Year progress | 80% |
Days in This Week
Mon Today
Oct 18 Tue Today
Oct 19 Wed Today
Oct 20 Thu Today
Oct 21 Fri Today
Oct 22 Sat Today
Oct 23 Sun Today
Oct 24 All Weeks of 2027
Week 42 in Other Years
| Year | Start | End |
|---|---|---|
| 2026 | Oct 12, 2026 | Oct 18, 2026 |
Frequently Asked Questions
What dates are in week 42 of 2027?
Week 42 of 2027 starts on Monday, October 18, 2027 and ends on Sunday, October 24, 2027. It contains 5 working days (Monday–Friday) and a 2-day weekend (Saturday–Sunday).
What is the ISO notation for week 42, 2027?
The ISO 8601 week date notation is 2027-W42. Individual days are written as 2027-W42-1 (Monday) through 2027-W42-7 (Sunday).
How far through 2027 is week 42?
Week 42 begins around day 291 of 365, which is approximately 80% through the year.