ISO week reference

Week 1 1123: January 1–7, 1123

Exact Monday-to-Sunday dates for 1123-W01. Use this week as a calendar reference, open it in the planner, or view it in the full 1123 ISO calendar.

Week1
ISO year1123
Weekdays5
QuarterQ1
ISO reference1123-W01
Starts
Ends
Length7 days
Exact dates

Dates in week 1

ISO weeks run Monday through Sunday.

MonJan 11123
TueJan 21123
WedJan 31123
ThuJan 41123
FriJan 51123
SatJan 61123
SunJan 71123
Use this week

Turn these dates into a plan

Open a private weekly planner already set to January 1–7, 1123, then add priorities, deadlines, meetings and hourly work blocks.

Open Week 1 Planner