Week 34 2025: August 18–24, 2025
Week 34 starts on Monday, August 18, 2025 and ends on Sunday, August 24, 2025.
Quick answer
Week 34 of 2025 is the seven-day ISO week from August 18, 2025 to August 24, 2025. ISO weeks always run from Monday to Sunday.
Use week 34 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 34 of 2025?
The dates are August 18, 2025 through August 24, 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 34 of 2025 (Aug 18–Aug 24, 2025)” so the week-year and date range are both clear.