ISO week reference

Week 39 1980: September 22–28, 1980

Exact Monday-to-Sunday dates for 1980-W39. 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

Week39

ISO year1980

Weekdays5

QuarterQ3

ISO reference1980-W39

StartsSep19809, Sep 22

Endsth7191879, Sep 28

Length7 days

Exact dates

Dates in week 39

ISO weeks run Monday through Sunday.

MonSep 221980

TueSep 231980

WedSep 241980

ThuSep 251980

FriSep 261980

SatSep 271980

SunSep 281980

Use this week

Turn these dates into a plan

Open a private weekly planner already set to September 22–28, 1980, then add priorities, deadlines, meetings and hourly work blocks.

Open Week 39 Planner

Year calendarAll 52 ISO weeks in 1980 Quarter viewSee Week 39 inside Q3

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