ISO week details

Week 23 1235: June 4–10, 1235

Week 23 starts on Monday, June 4, 1235 and ends on Sunday, June 10, 1235.

Week23
ISO year1235
StartJun 4
EndJun 10

Quick answer

Week 23 of 1235 is the seven-day ISO week from June 4, 1235 to June 10, 1235. ISO weeks always run from Monday to Sunday.

Dates for each day of this week

  • Monday: June 4, 1235
  • Tuesday: June 5, 1235
  • Wednesday: June 6, 1235
  • Thursday: June 7, 1235
  • Friday: June 8, 1235
  • Saturday: June 9, 1235
  • Sunday: June 10, 1235

Plan this exact week →

The planner opens with this Monday selected. Public holidays depend on your country and are not subtracted automatically.

Check the current work week

Need today’s week instead? Open the current work week dashboard for the live ISO week number, Monday-to-Sunday range, business days left and Friday planning date.

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 1235?

The dates are June 4, 1235 through June 10, 1235.

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 1235 (Jun 4–Jun 10, 1235)” so the week-year and date range are both clear.