Dates in week 18
- Monday — May 3, 2027
- Tuesday — May 4, 2027
- Wednesday — May 5, 2027
- Thursday — May 6, 2027
- Friday — May 7, 2027
- Saturday — May 8, 2027
- Sunday — May 9, 2027
Week 18 of 2027
Week 18 runs from Monday, May 3, 2027 through Sunday, May 9, 2027.
Week 18 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 18 of 2027?
Monday, May 3, 2027 through Sunday, May 9, 2027.
Does week 18 start on Monday?
Yes. GlobalTimeGuide uses the ISO 8601 week-date system, where weeks start on Monday and end on Sunday.