Week 30 2025: July 21–27, 2025
Week 30 starts on Monday, July 21, 2025 and ends on Sunday, July 27, 2025.
Quick answer
Week 30 of 2025 is the seven-day ISO week from July 21, 2025 to July 27, 2025. ISO weeks always run from Monday to Sunday.
Use week 30 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 30 of 2025?
The dates are July 21, 2025 through July 27, 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 30 of 2025 (Jul 21–Jul 27, 2025)” so the week-year and date range are both clear.