Week 13 2309: March 29–4, 2309
Week 13 starts on Monday, March 29, 2309 and ends on Sunday, April 4, 2309.
Quick answer
Week 13 of 2309 is the seven-day ISO week from March 29, 2309 to April 4, 2309. ISO weeks always run from Monday to Sunday.
Use week 13 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 13 of 2309?
The dates are March 29, 2309 through April 4, 2309.
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 13 of 2309 (Mar 29–Apr 4, 2309)” so the week-year and date range are both clear.