ISO week details

Week 50 2004: December 6–12, 2004

Week 50 starts on Monday, December 6, 2004 and ends on Sunday, December 12, 2004.

Week50
ISO year2004
StartDec 6
EndDec 12

Quick answer

Week 50 of 2004 is the seven-day ISO week from December 6, 2004 to December 12, 2004. ISO weeks always run from Monday to Sunday.

Use week 50 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 50 of 2004?

The dates are December 6, 2004 through December 12, 2004.

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 50 of 2004 (Dec 6–Dec 12, 2004)” so the week-year and date range are both clear.