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  1. Catalog
  2. System.Globalization
  3. GregorianCalendar
  4. AddWeeks(DateTime, Int32)
  • GregorianCalendar
    • ADEra
    • GregorianCalendar()
    • GregorianCalendar(GregorianCalendarTypes)
    • AlgorithmType
    • CalendarType
    • Eras
    • MaxSupportedDateTime
    • MinSupportedDateTime
    • TwoDigitYearMax
    • AddMonths(DateTime, Int32)
    • AddWeeks(DateTime, Int32)
    • AddYears(DateTime, Int32)
    • GetDayOfMonth(DateTime)
    • GetDayOfWeek(DateTime)
    • GetDayOfYear(DateTime)
    • GetDaysInMonth(Int32, Int32, Int32)
    • GetDaysInYear(Int32, Int32)
    • GetEra(DateTime)
    • GetLeapMonth(Int32, Int32)
    • GetMonth(DateTime)
    • GetMonthsInYear(Int32, Int32)
    • GetWeekOfYear(DateTime, CalendarWeekRule, DayOfWeek)
    • GetYear(DateTime)
    • IsLeapDay(Int32, Int32, Int32, Int32)
    • IsLeapMonth(Int32, Int32, Int32)
    • IsLeapYear(Int32, Int32)
    • ToDateTime(Int32, Int32, Int32, Int32, Int32, Int32, Int32, Int32)
    • ToFourDigitYear(Int32)
net11
namespace System.Globalization
{
    public class GregorianCalendar : Calendar
    {
        public override DateTime AddWeeks(DateTime time, int weeks);
    }
}
.NET Framework
1.01.1
Information specific to net11
Assembly

mscorlib , Version=1.0.5000.0, PublicKeyToken=b77a5c561934e089

Referencing

The API is automatically referenced.

Platform Restrictions

This framework does not have platform annotations.

  • Built-in API
  • Package-provided API
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10/14/2026
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