ISO week details

Week 26 1880: June 21–27, 1880

Week 26 starts on Monday, June 21, 1880 and ends on Sunday, June 27, 1880.

Week26
ISO year1880
StartJun 21
EndJun 27

Quick answer

Week 26 of 1880 is the seven-day ISO week from June 21, 1880 to June 27, 1880. ISO weeks always run from Monday to Sunday.

Use week 26 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 26 of 1880?

The dates are June 21, 1880 through June 27, 1880.

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 26 of 1880 (Jun 21–Jun 27, 1880)” so the week-year and date range are both clear.