ISO week reference

Week 12 2027: March 22–28, 2027

Exact Monday-to-Sunday dates for 2027-W12. Use this week as a calendar reference, open it in the planner, or view it in the full 2027 ISO calendar.

Plan This Week Open 2027 Calendar

Week12

ISO year2027

Weekdays5

QuarterQ1

ISO reference2027-W12

StartsMar20273, Mar 22

Endsth9122893, Mar 28

Length7 days

Exact dates

Dates in week 12

ISO weeks run Monday through Sunday.

MonMar 222027

TueMar 232027

WedMar 242027

ThuMar 252027

FriMar 262027

SatMar 272027

SunMar 282027

Use this week

Turn these dates into a plan

Open a private weekly planner already set to March 22–28, 2027, then add priorities, deadlines, meetings and hourly work blocks.

Open Week 12 Planner

Year calendarAll 52 ISO weeks in 2027 Quarter viewSee Week 12 inside Q1

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