ISO week reference

Week 40 1220: September 28, 1220 – October 4, 1220

Exact Monday-to-Sunday dates for 1220-W40. Use this week as a calendar reference, open it in the planner, or view it in the full 1220 ISO calendar.

Plan This Week Open 1220 Calendar

Week40

ISO year1220

Weekdays5

QuarterQ3

ISO reference1220-W40

StartsSep12209, Sep 28

Endsth28093310, Oct 4

Length7 days

Exact dates

Dates in week 40

ISO weeks run Monday through Sunday.

MonSep 281220

TueSep 291220

WedSep 301220

ThuOct 11220

FriOct 21220

SatOct 31220

SunOct 41220

Use this week

Turn these dates into a plan

Open a private weekly planner already set to September 28, 1220 – October 4, 1220, then add priorities, deadlines, meetings and hourly work blocks.

Open Week 40 Planner

Year calendarAll 53 ISO weeks in 1220 Quarter viewSee Week 40 inside Q3

PreviousWeek 39, 1220Sep 21–Sep 27 Year calendar1220 ISO week calendarBrowse every week and exact date range NextWeek 41, 1220Oct 5–Oct 11