ISO week reference

Week 21 1980: May 19–25, 1980

Exact Monday-to-Sunday dates for 1980-W21. Use this week as a calendar reference, open it in the planner, or view it in the full 1980 ISO calendar.

Plan This Week Open 1980 Calendar

Week21

ISO year1980

Weekdays5

QuarterQ2

ISO reference1980-W21

StartsMay19805, May 19

Endsth5658855, May 25

Length7 days

Exact dates

Dates in week 21

ISO weeks run Monday through Sunday.

MonMay 191980

TueMay 201980

WedMay 211980

ThuMay 221980

FriMay 231980

SatMay 241980

SunMay 251980

Use this week

Turn these dates into a plan

Open a private weekly planner already set to May 19–25, 1980, then add priorities, deadlines, meetings and hourly work blocks.

Open Week 21 Planner

Year calendarAll 52 ISO weeks in 1980 Quarter viewSee Week 21 inside Q2

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