Week 39 1983: September 26–2, 1983
Week 39 starts on Monday, September 26, 1983 and ends on Sunday, October 2, 1983.
Quick answer
Week 39 of 1983 is the seven-day ISO week from September 26, 1983 to October 2, 1983. 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 1983?
The dates are September 26, 1983 through October 2, 1983.
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 1983 (Sep 26–Oct 2, 1983)” so the week-year and date range are both clear.