Was October 23, 2026 the 43rd week of the year?
YES
Yes — 23 October 2026 falls in ISO week 43, which runs Monday 19 to Sunday 25 October.
Why
- ISO week 43 of 2026: 19–25 October
- Day 296 of 365, 69 days left in the year
- Week 44 begins Monday 26 October