ISO week calendar
Week 19 2027
ISO week 19 of 2027 runs from Monday, May 10, 2027 to Sunday, May 16, 2027.
Date Time Encyclopedia answer, with calculation details and assumptions below.
ISO weeks start on Monday and end on Sunday. Week 1 is the week containing the first Thursday of the ISO week-numbering year.
Snapshot
Week 19 2027
ISO week 19 of 2027 runs from Monday, May 10, 2027 to Sunday, May 16, 2027.
ISO weeks start on Monday and end on Sunday. Week 1 is the week containing the first Thursday of the ISO week-numbering year.
- Week starts
- Monday, May 10, 2027
- Week ends
- Sunday, May 16, 2027
- ISO year
- 2027
- Weeks in ISO year
- 52
ISO week 19, 2027
- MonMay 10, 2027Week start
- TueMay 11, 20272027-W19
- WedMay 12, 20272027-W19
- ThuMay 13, 20272027-W19
- FriMay 14, 20272027-W19
- SatMay 15, 20272027-W19
- SunMay 16, 2027Week end
Method
Find the Monday of ISO week 1, then add seven days for each week after it.
ISO week context
Week 19 2027 uses the ISO week-date system: weeks start Monday, end Sunday, and week 1 is tied to the first Thursday of the ISO year.
Compare nearby ISO weeks
Adjacent week pages help verify handoffs between reporting periods, sprints, payroll periods, and weekly plans.
Related Lookups
FAQ
When does this ISO week start?
Week 19 of 2027 starts on Monday, May 10, 2027.
When does this ISO week end?
Week 19 of 2027 ends on Sunday, May 16, 2027.