Trade, logistics and payments
KW
Abbreviation for Kalenderwoche
In short and in plain language
KW is the German short form for calendar week.
A calendar week starts on Monday. The weeks of a year have fixed numbers.
Plans and delivery dates often name the week instead of an exact day.
Definition
KW is the German abbreviation for Kalenderwoche, calendar week. Under ISO 8601 a week begins on Monday, and week 1 of a year is the week that contains the first Thursday of the year. German delivery dates and project plans often give a calendar week instead of an exact date.