Week 27 2021: July 5–11, 2021
Week 27 starts on Monday, July 5, 2021 and ends on Sunday, July 11, 2021.
Quick answer
Week 27 of 2021 is the seven-day ISO week from July 5, 2021 to July 11, 2021. ISO weeks always run from Monday to Sunday.
Use week 27 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 27 of 2021?
The dates are July 5, 2021 through July 11, 2021.
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 27 of 2021 (Jul 5–Jul 11, 2021)” so the week-year and date range are both clear.