ISO week reference
Week 50 2026: December 7–13, 2026
Exact Monday-to-Sunday dates for 2026-W50. Use this week as a calendar reference, open it in the planner, or view it in the full 2026 ISO calendar.
Week50
ISO year2026
Weekdays5
QuarterQ4
ISO reference2026-W50
Starts
Ends
Length7 days
Exact dates
Dates in week 50
ISO weeks run Monday through Sunday.
MonDec 72026
TueDec 82026
WedDec 92026
ThuDec 102026
FriDec 112026
SatDec 122026
SunDec 132026
Use this week
Open Week 50 Planner
Turn these dates into a plan
Open a private weekly planner already set to December 7–13, 2026, then add priorities, deadlines, meetings and hourly work blocks.