This calendar class implements the Islamic Hijri calendar. This calendar is based from the time of Mohammed's migration from Mecca (denoted as A.H.). Regular years have 12 months and 354 days. Leap years have 355 days. Leap years are calculated in 30-year cycles, occurring in the 2nd, 5th, 7th, 10th, 13th, 16th, 18th, 21st, 24th, 26th, and 29th years.

public class HijriCalendar : Calendar {
// Public Constructors
   public HijriCalendar( );
// Public Static Fields
   public static readonly int HijriEra;  
// =1
// Public Instance Properties
   public override int[ ] Eras{get; }     
// overrides Calendar
   public int HijriAdjustment{set; get; }
   public override int TwoDigitYearMax{set; get; }    
// overrides Calendar
// Public Instance Methods
   public override DateTime AddMonths(DateTime time, int months)
// overrides Calendar
   public override DateTime AddYears(DateTime time, int years)
// overrides Calendar
   public override int GetDayOfMonth(DateTime time); 
// overrides Calendar
   public override DayOfWeek GetDayOfWeek(DateTime time);  
// overrides Calendar
   public override int GetDayOfYear(DateTime time);  
// overrides Calendar
   public override int GetDaysInMonth(int year, int month, int era); 
// overrides Calendar
   public override int GetDaysInYear(int year, int era);        
// overrides Calendar
   public override int GetEra(DateTime time);        
// overrides Calendar
   public override int GetMonth(DateTime time);      
// overrides Calendar
   public override int GetMonthsInYear(int year, int era);        
// overrides Calendar
   public override int GetYear(DateTime time);       
// overrides Calendar
   public override bool IsLeapDay(int year, int month, int day, int era);    
// overrides Calendar
   public override bool IsLeapMonth(int year, int month, int era);        
// overrides Calendar
   public override bool IsLeapYear(int year, int era); 
// overrides Calendar
   public override DateTime ToDateTime(int year, int month, int day,
       int hour, int minute, int second, int millisecond, int era);         
// overrides Calendar
   public override int ToFourDigitYear(int year);     
// overrides Calendar
}

Hierarchy

System.Object Calendar HijriCalendar