ISO week details

Week 28 2004: July 5–11, 2004

Week 28 starts on Monday, July 5, 2004 and ends on Sunday, July 11, 2004.

Week28
ISO year2004
StartJul 5
EndJul 11

Quick answer

Week 28 of 2004 is the seven-day ISO week from July 5, 2004 to July 11, 2004. ISO weeks always run from Monday to Sunday.

Use week 28 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 28 of 2004?

The dates are July 5, 2004 through July 11, 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 28 of 2004 (Jul 5–Jul 11, 2004)” so the week-year and date range are both clear.