ISO week reference

Week 40 1975: September 29, 1975 – October 5, 1975

Exact Monday-to-Sunday dates for 1975-W40. Use this week as a calendar reference, open it in the planner, or view it in the full 1975 ISO calendar.

Plan This Week Open 1975 Calendar

Week40

ISO year1975

Weekdays5

QuarterQ3

ISO reference1975-W40

StartsSep19759, Sep 29

Endsth79685810, Oct 5

Length7 days

Exact dates

Dates in week 40

ISO weeks run Monday through Sunday.

MonSep 291975

TueSep 301975

WedOct 11975

ThuOct 21975

FriOct 31975

SatOct 41975

SunOct 51975

Use this week

Turn these dates into a plan

Open a private weekly planner already set to September 29, 1975 – October 5, 1975, then add priorities, deadlines, meetings and hourly work blocks.

Open Week 40 Planner

Year calendarAll 52 ISO weeks in 1975 Quarter viewSee Week 40 inside Q3

PreviousWeek 39, 1975Sep 22–Sep 28 Year calendar1975 ISO week calendarBrowse every week and exact date range NextWeek 41, 1975Oct 6–Oct 12