Week 25 2027: June 21–27, 2027
Week 25 starts on Monday, June 21, 2027 and ends on Sunday, June 27, 2027.
Quick answer
Week 25 of 2027 is the seven-day ISO week from June 21, 2027 to June 27, 2027. ISO weeks always run from Monday to Sunday.
Use week 25 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 25 of 2027?
The dates are June 21, 2027 through June 27, 2027.
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 25 of 2027 (Jun 21–Jun 27, 2027)” so the week-year and date range are both clear.