Week 38 2023: September 18–24, 2023
Week 38 starts on Monday, September 18, 2023 and ends on Sunday, September 24, 2023.
Quick answer
Week 38 of 2023 is the seven-day ISO week from September 18, 2023 to September 24, 2023. ISO weeks always run from Monday to Sunday.
Use week 38 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 38 of 2023?
The dates are September 18, 2023 through September 24, 2023.
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 38 of 2023 (Sep 18–Sep 24, 2023)” so the week-year and date range are both clear.