Week 42, 2025
ISO-8601 Standard Week
Week 42 of 2025 runs from October 20, 2025 to October 26, 2025, and 2025 has 52 weeks in total.
This week is already in the past. See the full 2025 calendar, or learn why some years have 53 weeks.
Starts On
Monday
October 20, 2025
Ends On
Sunday
October 26, 2025
This week marks approximately 80% of the year 2025 passed.
October 2025 Calendar
| Week | Mon | Tue | Wed | Thu | Fri | Sat | Sun |
|---|---|---|---|---|---|---|---|
| 40 | 29 | 30 | 1 | 2 | 3 | 4 | 5 |
| 41 | 6 | 7 | 8 | 9 | 10 | 11 | 12 |
| 42 | 13 | 14 | 15 | 16 | 17 | 18 | 19 |
| 43 | 20 | 21 | 22 | 23 | 24 | 25 | 26 |
| 44 | 27 | 28 | 29 | 30 | 31 | 1 | 2 |
Holidays in Week 42
All Weeks in 2025
Week 42 in Other Years
Compare dates and holidays for week 42 across different years:
About Week 42
Week 42 of 2025 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 20 to Friday, October 24) and a standard 2-day weekend.