Week 39 2029: September 24–30, 2029
Week 39 starts on Monday, September 24, 2029 and ends on Sunday, September 30, 2029.
Quick answer
Week 39 of 2029 is the seven-day ISO week from September 24, 2029 to September 30, 2029. ISO weeks always run from Monday to Sunday.
Use week 39 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 39 of 2029?
The dates are September 24, 2029 through September 30, 2029.
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 39 of 2029 (Sep 24–Sep 30, 2029)” so the week-year and date range are both clear.