ISO week reference

Week 20 1221: May 17–23, 1221

Exact Monday-to-Sunday dates for 1221-W20. Use this week as a calendar reference, open it in the planner, or view it in the full 1221 ISO calendar.

Plan This Week Open 1221 Calendar

Week20

ISO year1221

Weekdays5

QuarterQ2

ISO reference1221-W20

StartsMay12215, May 17

Endsrd3833845, May 23

Length7 days

Exact dates

Dates in week 20

ISO weeks run Monday through Sunday.

MonMay 171221

TueMay 181221

WedMay 191221

ThuMay 201221

FriMay 211221

SatMay 221221

SunMay 231221

Use this week

Turn these dates into a plan

Open a private weekly planner already set to May 17–23, 1221, then add priorities, deadlines, meetings and hourly work blocks.

Open Week 20 Planner

Year calendarAll 52 ISO weeks in 1221 Quarter viewSee Week 20 inside Q2

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