When is week 42?
Week 42 of 2026: Oct 12 – Oct 18
Mon, Oct 12 – Sun, Oct 18, 2026
It starts in 12 days.
Week 42 by year
More week numbers
Frequently asked questions
When is week 42 of 2026?
From Monday, October 12, 2026 to Sunday, October 18, 2026.
How many days until week 42?
12 days, counting from today to Monday, the first day of the week.
Why can week 1 start in December?
ISO week 1 is the week containing the year's first Thursday, so it can begin as early as December 29 of the previous year.