ISO week reference
Week 20 1980: May 12–18, 1980
Exact Monday-to-Sunday dates for 1980-W20. Use this week as a calendar reference, open it in the planner, or view it in the full 1980 ISO calendar.
Week20
ISO year1980
Weekdays5
QuarterQ2
ISO reference1980-W20
Starts
Ends
Length7 days
Exact dates
Dates in week 20
ISO weeks run Monday through Sunday.
MonMay 121980
TueMay 131980
WedMay 141980
ThuMay 151980
FriMay 161980
SatMay 171980
SunMay 181980
Use this week
Open Week 20 Planner
Turn these dates into a plan
Open a private weekly planner already set to May 12–18, 1980, then add priorities, deadlines, meetings and hourly work blocks.