https://learn.microsoft.com/es-es/dotnet/api/system.globalization.chineselunisolarcalendar.daysinyearbeforeminsupportedyear?view=net-10.0
ChineseLunisolarCalendar.DaysInYearBeforeMinSupportedYear Property (System.Globalization) |...
Gets the number of days in the year that precedes the year that is specified by the MinSupportedDateTime property.
property systemglobalization