ISO week details

Week 20 1988: May 16–22, 1988

Week 20 starts on Monday, May 16, 1988 and ends on Sunday, May 22, 1988.

Week20
ISO year1988
StartMay 16
EndMay 22

Quick answer

Week 20 of 1988 is the seven-day ISO week from May 16, 1988 to May 22, 1988. ISO weeks always run from Monday to Sunday.

Use week 20 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 20 of 1988?

The dates are May 16, 1988 through May 22, 1988.

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 20 of 1988 (May 16–May 22, 1988)” so the week-year and date range are both clear.