ISO week details

Week 49 1850: December 2–8, 1850

Week 49 starts on Monday, December 2, 1850 and ends on Sunday, December 8, 1850.

Week49
ISO year1850
StartDec 2
EndDec 8

Quick answer

Week 49 of 1850 is the seven-day ISO week from December 2, 1850 to December 8, 1850. ISO weeks always run from Monday to Sunday.

Use week 49 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 49 of 1850?

The dates are December 2, 1850 through December 8, 1850.

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 49 of 1850 (Dec 2–Dec 8, 1850)” so the week-year and date range are both clear.