Week 17 1642: April 21–27, 1642
Week 17 starts on Monday, April 21, 1642 and ends on Sunday, April 27, 1642.
Quick answer
Week 17 of 1642 is the seven-day ISO week from April 21, 1642 to April 27, 1642. 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 17 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.
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FAQ
What are the dates for week 17 of 1642?
The dates are April 21, 1642 through April 27, 1642.
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 17 of 1642 (Apr 21–Apr 27, 1642)” so the week-year and date range are both clear.