ISO week reference
Week 50 2025: December 8–14, 2025
Exact Monday-to-Sunday dates for 2025-W50. Use this week as a calendar reference, open it in the planner, or view it in the full 2025 ISO calendar.
Week50
ISO year2025
Weekdays5
QuarterQ4
ISO reference2025-W50
Starts
Ends
Length7 days
Exact dates
Dates in week 50
ISO weeks run Monday through Sunday.
MonDec 82025
TueDec 92025
WedDec 102025
ThuDec 112025
FriDec 122025
SatDec 132025
SunDec 142025
Use this week
Open Week 50 Planner
Turn these dates into a plan
Open a private weekly planner already set to December 8–14, 2025, then add priorities, deadlines, meetings and hourly work blocks.