Week 26 2025: June 23–29, 2025
Week 26 starts on Monday, June 23, 2025 and ends on Sunday, June 29, 2025.
Quick answer
Week 26 of 2025 is the seven-day ISO week from June 23, 2025 to June 29, 2025. ISO weeks always run from Monday to Sunday.
Use week 26 in professional planning
This permanent week reference can be used in project plans, payroll notes, weekly reports, production schedules and deadline documents. Share the week number together with the ISO year and exact date range to avoid ambiguity around New Year.
For calculations that span more than one week, use the weeks between dates calculator. For work schedules, compare the same range with the business days calculator or open the project timeline calculator.
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FAQ
What are the dates for week 26 of 2025?
The dates are June 23, 2025 through June 29, 2025.
What day does this week start?
It starts on Monday.
What day does this week end?
It ends on Sunday.
How should I write this week in a report?
Use “ISO week 26 of 2025 (Jun 23–Jun 29, 2025)” so the week-year and date range are both clear.