Week 49 2011: December 5–11, 2011
Week 49 starts on Monday, December 5, 2011 and ends on Sunday, December 11, 2011.
Quick answer
Week 49 of 2011 is the seven-day ISO week from December 5, 2011 to December 11, 2011. ISO weeks always run from Monday to Sunday.
Use week 49 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 49 of 2011?
The dates are December 5, 2011 through December 11, 2011.
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 49 of 2011 (Dec 5–Dec 11, 2011)” so the week-year and date range are both clear.