ISO week reference

Week 1 1970: December 29, 1969 – January 4, 1970

Exact Monday-to-Sunday dates for 1970-W01. Use this week as a calendar reference, open it in the planner, or view it in the full 1970 ISO calendar.

Week1
ISO year1970
Weekdays5
QuarterQ4
ISO reference1970-W01
Starts
Ends
Length7 days
Exact dates

Dates in week 1

ISO weeks run Monday through Sunday.

MonDec 291969
TueDec 301969
WedDec 311969
ThuJan 11970
FriJan 21970
SatJan 31970
SunJan 41970
Use this week

Turn these dates into a plan

Open a private weekly planner already set to December 29, 1969 – January 4, 1970, then add priorities, deadlines, meetings and hourly work blocks.

Open Week 1 Planner