ISO week reference
Week 17 2025: April 21–27, 2025
Exact Monday-to-Sunday dates for 2025-W17. Use this week as a calendar reference, open it in the planner, or view it in the full 2025 ISO calendar.
Week17
ISO year2025
Weekdays5
QuarterQ2
ISO reference2025-W17
Starts
Ends
Length7 days
Exact dates
Dates in week 17
ISO weeks run Monday through Sunday.
MonApr 212025
TueApr 222025
WedApr 232025
ThuApr 242025
FriApr 252025
SatApr 262025
SunApr 272025
Use this week
Open Week 17 Planner
Turn these dates into a plan
Open a private weekly planner already set to April 21–27, 2025, then add priorities, deadlines, meetings and hourly work blocks.