ISO week reference

Week 4 1958: January 20–26, 1958

Exact Monday-to-Sunday dates for 1958-W04. Use this week as a calendar reference, open it in the planner, or view it in the full 1958 ISO calendar.

Plan This Week Open 1958 Calendar

Week4

ISO year1958

Weekdays5

QuarterQ1

ISO reference1958-W04

StartsJan19581, Jan 20

Endsth4245481, Jan 26

Length7 days

Exact dates

Dates in week 4

ISO weeks run Monday through Sunday.

MonJan 201958

TueJan 211958

WedJan 221958

ThuJan 231958

FriJan 241958

SatJan 251958

SunJan 261958

Use this week

Turn these dates into a plan

Open a private weekly planner already set to January 20–26, 1958, then add priorities, deadlines, meetings and hourly work blocks.

Open Week 4 Planner

Year calendarAll 52 ISO weeks in 1958 Quarter viewSee Week 4 inside Q1

PreviousWeek 3, 1958Jan 13–Jan 19 Year calendar1958 ISO week calendarBrowse every week and exact date range NextWeek 5, 1958Jan 27–Feb 2