Week 40, 2027
ISO-8601 Standard Week
Week 40 of 2027 runs from October 4, 2027 to October 10, 2027, and 2027 has 52 weeks in total.
This week is still ahead. See the full 2027 calendar, or learn why some years have 53 weeks.
Starts On
Monday
October 04, 2027
Ends On
Sunday
October 10, 2027
This week marks approximately 76% of the year 2027 passed.
October 2027 Calendar
| Week | Mon | Tue | Wed | Thu | Fri | Sat | Sun |
|---|---|---|---|---|---|---|---|
| 39 | 27 | 28 | 29 | 30 | 1 | 2 | 3 |
| 40 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| 41 | 11 | 12 | 13 | 14 | 15 | 16 | 17 |
| 42 | 18 | 19 | 20 | 21 | 22 | 23 | 24 |
| 43 | 25 | 26 | 27 | 28 | 29 | 30 | 31 |
Holidays in Week 40
All Weeks in 2027
Week 40 in Other Years
Compare dates and holidays for week 40 across different years:
About Week 40
Week 40 of 2027 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, October 04 to Friday, October 08) and a standard 2-day weekend.