Week 52 1261: December 26, 1261 – January 1, 1262
Week 52 starts on Monday, December 26, 1261 and ends on Sunday, January 1, 1262.
Quick answer
Week 52 of 1261 is the seven-day ISO week from December 26, 1261 to January 1, 1262. ISO weeks always run from Monday to Sunday.
Dates for each day of this week
- Monday: December 26, 1261
- Tuesday: December 27, 1261
- Wednesday: December 28, 1261
- Thursday: December 29, 1261
- Friday: December 30, 1261
- Saturday: December 31, 1261
- Sunday: January 1, 1262
The planner opens with this Monday selected. Public holidays depend on your country and are not subtracted automatically.
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 52 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.
Weeks around week 52
Browse priority week calendars
Continue with a planning tool
FAQ
What are the dates for week 52 of 1261?
The dates are December 26, 1261 through January 1, 1262.
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 52 of 1261 (Dec 26–Jan 1, 1262)” so the week-year and date range are both clear.