ISO week reference
Week 1 1986: December 30, 1985 – January 5, 1986
Exact Monday-to-Sunday dates for 1986-W01. Use this week as a calendar reference, open it in the planner, or view it in the full 1986 ISO calendar.
Week1
ISO year1986
Weekdays5
QuarterQ4
ISO reference1986-W01
Starts
Ends
Length7 days
Exact dates
Dates in week 1
ISO weeks run Monday through Sunday.
MonDec 301985
TueDec 311985
WedJan 11986
ThuJan 21986
FriJan 31986
SatJan 41986
SunJan 51986
Use this week
Open Week 1 Planner
Turn these dates into a plan
Open a private weekly planner already set to December 30, 1985 – January 5, 1986, then add priorities, deadlines, meetings and hourly work blocks.