Dates in week 40
- Monday — October 4, 2027
- Tuesday — October 5, 2027
- Wednesday — October 6, 2027
- Thursday — October 7, 2027
- Friday — October 8, 2027
- Saturday — October 9, 2027
- Sunday — October 10, 2027
Week 40 of 2027
Week 40 runs from Monday, October 4, 2027 through Sunday, October 10, 2027.
Week 40 at a glance
ISO weeks always run Monday through Sunday. Week 1 is the week containing the year’s first Thursday.
Browse nearby weeks
Frequently asked questions
What dates are in week 40 of 2027?
Monday, October 4, 2027 through Sunday, October 10, 2027.
Does week 40 start on Monday?
Yes. GlobalTimeGuide uses the ISO 8601 week-date system, where weeks start on Monday and end on Sunday.