https://learn.microsoft.com/en-us/dotnet/api/system.globalization.calendarweekrule?view=netframework-4.8.1&viewFallbackFrom=net-10.0
CalendarWeekRule Enum (System.Globalization) | Microsoft Learn
Defines different rules for determining the first week of the year.
enumsystemglobalizationmicrosoftlearn
https://learn.microsoft.com/zh-tw/dotnet/api/system.globalization.calendarweekrule?view=netframework-4.8.1&viewFallbackFrom=net-8.0
CalendarWeekRule Enum (System.Globalization) | Microsoft Learn
Defines different rules for determining the first week of the year.
enumsystemglobalizationmicrosoftlearn