ISO week details

Week 42 2013: October 14–20, 2013

Week 42 starts on Monday, October 14, 2013 and ends on Sunday, October 20, 2013.

Week42
ISO year2013
StartOct 14
EndOct 20

Quick answer

Week 42 of 2013 is the seven-day ISO week from October 14, 2013 to October 20, 2013. ISO weeks always run from Monday to Sunday.

Use week 42 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 42 of 2013?

The dates are October 14, 2013 through October 20, 2013.

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 42 of 2013 (Oct 14–Oct 20, 2013)” so the week-year and date range are both clear.