ISO week details

Week 2 1690: January 9–15, 1690

Week 2 starts on Monday, January 9, 1690 and ends on Sunday, January 15, 1690.

Week2
ISO year1690
StartJan 9
EndJan 15

Quick answer

Week 2 of 1690 is the seven-day ISO week from January 9, 1690 to January 15, 1690. ISO weeks always run from Monday to Sunday.

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 2 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 2 of 1690?

The dates are January 9, 1690 through January 15, 1690.

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 2 of 1690 (Jan 9–Jan 15, 1690)” so the week-year and date range are both clear.