ISO week reference
Week 20 1981: May 11–17, 1981
Exact Monday-to-Sunday dates for 1981-W20. Use this week as a calendar reference, open it in the planner, or view it in the full 1981 ISO calendar.
Week20
ISO year1981
Weekdays5
QuarterQ2
ISO reference1981-W20
Starts
Ends
Length7 days
Exact dates
Dates in week 20
ISO weeks run Monday through Sunday.
MonMay 111981
TueMay 121981
WedMay 131981
ThuMay 141981
FriMay 151981
SatMay 161981
SunMay 171981
Use this week
Open Week 20 Planner
Turn these dates into a plan
Open a private weekly planner already set to May 11–17, 1981, then add priorities, deadlines, meetings and hourly work blocks.