ISO week calendar
Week 48 2026
ISO week 48 of 2026 runs from Monday, November 23, 2026 to Sunday, November 29, 2026.
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 48 2026
ISO week 48 of 2026 runs from Monday, November 23, 2026 to Sunday, November 29, 2026.
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, November 23, 2026
- Week ends
- Sunday, November 29, 2026
- ISO year
- 2026
- Weeks in ISO year
- 53
ISO week 48, 2026
- MonNov 23, 2026Week start
- TueNov 24, 20262026-W48
- WedNov 25, 20262026-W48
- ThuNov 26, 20262026-W48
- FriNov 27, 20262026-W48
- SatNov 28, 20262026-W48
- SunNov 29, 2026Week end
Method
Find the Monday of ISO week 1, then add seven days for each week after it.
ISO week context
Week 48 2026 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 48 of 2026 starts on Monday, November 23, 2026.
When does this ISO week end?
Week 48 of 2026 ends on Sunday, November 29, 2026.