ISO week reference
Week 16 2026: April 13–19, 2026
Exact Monday-to-Sunday dates for 2026-W16. Use this week as a calendar reference, open it in the planner, or view it in the full 2026 ISO calendar.
Week16
ISO year2026
Weekdays5
QuarterQ2
ISO reference2026-W16
Starts
Ends
Length7 days
Exact dates
Dates in week 16
ISO weeks run Monday through Sunday.
MonApr 132026
TueApr 142026
WedApr 152026
ThuApr 162026
FriApr 172026
SatApr 182026
SunApr 192026
Use this week
Open Week 16 Planner
Turn these dates into a plan
Open a private weekly planner already set to April 13–19, 2026, then add priorities, deadlines, meetings and hourly work blocks.