ISO week details

Week 23 1985: June 3–9, 1985

Week 23 starts on Monday, June 3, 1985 and ends on Sunday, June 9, 1985.

Week23
ISO year1985
StartJun 3
EndJun 9

Quick answer

Week 23 of 1985 is the seven-day ISO week from June 3, 1985 to June 9, 1985. ISO weeks always run from Monday to Sunday.

Use week 23 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 23 of 1985?

The dates are June 3, 1985 through June 9, 1985.

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 23 of 1985 (Jun 3–Jun 9, 1985)” so the week-year and date range are both clear.