ISO week reference
Week 40 2023: October 2–8, 2023
Exact Monday-to-Sunday dates for 2023-W40. Use this week as a calendar reference, open it in the planner, or view it in the full 2023 ISO calendar.
Week40
ISO year2023
Weekdays5
QuarterQ4
ISO reference2023-W40
Starts
Ends
Length7 days
Exact dates
Dates in week 40
ISO weeks run Monday through Sunday.
MonOct 22023
TueOct 32023
WedOct 42023
ThuOct 52023
FriOct 62023
SatOct 72023
SunOct 82023
Use this week
Open Week 40 Planner
Turn these dates into a plan
Open a private weekly planner already set to October 2–8, 2023, then add priorities, deadlines, meetings and hourly work blocks.