ISO week reference

Week 20 2025: May 12–18, 2025

Exact Monday-to-Sunday dates for 2025-W20. Use this week as a calendar reference, open it in the planner, or view it in the full 2025 ISO calendar.

Plan This Week Open 2025 Calendar

Week20

ISO year2025

Weekdays5

QuarterQ2

ISO reference2025-W20

StartsMay20255, May 12

Endsth4865545, May 18

Length7 days

Exact dates

Dates in week 20

ISO weeks run Monday through Sunday.

MonMay 122025

TueMay 132025

WedMay 142025

ThuMay 152025

FriMay 162025

SatMay 172025

SunMay 182025

Use this week

Turn these dates into a plan

Open a private weekly planner already set to May 12–18, 2025, then add priorities, deadlines, meetings and hourly work blocks.

Open Week 20 Planner

Year calendarAll 52 ISO weeks in 2025 Quarter viewSee Week 20 inside Q2

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