ISO week reference
Week 41 2026: October 5–11, 2026
Exact Monday-to-Sunday dates for 2026-W41. Use this week as a calendar reference, open it in the planner, or view it in the full 2026 ISO calendar.
Week41
ISO year2026
Weekdays5
QuarterQ4
ISO reference2026-W41
Starts
Ends
Length7 days
Exact dates
Dates in week 41
ISO weeks run Monday through Sunday.
MonOct 52026
TueOct 62026
WedOct 72026
ThuOct 82026
FriOct 92026
SatOct 102026
SunOct 112026
Use this week
Open Week 41 Planner
Turn these dates into a plan
Open a private weekly planner already set to October 5–11, 2026, then add priorities, deadlines, meetings and hourly work blocks.