WeekNumberRule Fields

Name Description
FirstDay

The first week of the year starts on the first day of the year and ends before the following designated first day of the week.

FirstFourDayWeek

The first week of the year is the first week with four or more days before the designated first day of the week.

FirstFullWeek

The first week of the year begins on the first occurrence of the designated first day of the week on or after the first day of the year.

System

The week number rule is determined by the current culture.