ISO week details

Week 52 2010: December 27–2, 2011

Week 52 starts on Monday, December 27, 2010 and ends on Sunday, January 2, 2011.

Week52
ISO year2010
StartDec 27
EndJan 2

Quick answer

Week 52 of 2010 is the seven-day ISO week from December 27, 2010 to January 2, 2011. ISO weeks always run from Monday to Sunday.

Use week 52 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.

FAQ

What are the dates for week 52 of 2010?

The dates are December 27, 2010 through January 2, 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 52 of 2010 (Dec 27–Jan 2, 2011)” so the week-year and date range are both clear.