UmAlQuraCalendar.GetDayOfWeek(DateTime) Method

Definition

Calculates the day of the week on which a specified date occurs.

public:
 override DayOfWeek GetDayOfWeek(DateTime time);
public override DayOfWeek GetDayOfWeek (DateTime time);
override this.GetDayOfWeek : DateTime -> DayOfWeek
Public Overrides Function GetDayOfWeek (time As DateTime) As DayOfWeek

Parameters

time
DateTime

The date value to read. The UmAlQuraCalendar class supports only dates from 04/30/1900 00.00.00 (Gregorian date) through 11/16/2077 23:59:59 (Gregorian date).

Returns

A DayOfWeek value that represents the day of the week specified by the time parameter.

Exceptions

time is outside the range supported by this calendar.

Examples

The following example displays the values of several components of a DateTime in terms of the Um Al Qura calendar.

using System;
using System.Globalization;

public class Example
{
   public static void Main()
   {
      DateTime date1 = new DateTime(2011, 4, 3, new GregorianCalendar());
      Calendar cal = new UmAlQuraCalendar();
      
      Console.WriteLine("{0:MMMM d, yyyy} in the Gregorian calendar is equivalent to:", date1);
      DisplayCalendarInfo(cal, date1);
            
      // Add 2 years and 10 months by calling UmAlQuraCalendar methods.
      date1 = cal.AddYears(date1, 2);
      date1 = cal.AddMonths(date1, 10);       

      Console.WriteLine("After adding 2 years and 10 months in the {0} calendar,", 
                        GetCalendarName(cal));
      Console.WriteLine("{0:MMMM d, yyyy} in the Gregorian calendar is equivalent to:", date1);
      DisplayCalendarInfo(cal, date1);
   }

   private static void DisplayCalendarInfo(Calendar cal, DateTime date1)
   {
      Console.WriteLine("   Calendar:   {0}", GetCalendarName(cal));    
      Console.WriteLine("   Era:        {0}", cal.GetEra(date1));
      Console.WriteLine("   Year:       {0}", cal.GetYear(date1));
      Console.WriteLine("   Month:      {0}", cal.GetMonth(date1));
      Console.WriteLine("   DayOfYear:  {0}", cal.GetDayOfYear(date1));
      Console.WriteLine("   DayOfMonth: {0}", cal.GetDayOfMonth(date1));
      Console.WriteLine("   DayOfWeek:  {0}\n", cal.GetDayOfWeek(date1));
   }

   private static string GetCalendarName(Calendar cal)
   {
      return cal.ToString().Replace("System.Globalization.", "").
             Replace("Calendar", "");   
   }
}
// The example displays the following output:
//    April 3, 2011 in the Gregorian calendar is equivalent to:
//       Calendar:   UmAlQura
//       Era:        1
//       Year:       1432
//       Month:      4
//       DayOfYear:  118
//       DayOfMonth: 29
//       DayOfWeek:  Sunday
//    
//    After adding 2 years and 10 months in the UmAlQura calendar,
//    January 1, 2014 in the Gregorian calendar is equivalent to:
//       Calendar:   UmAlQura
//       Era:        1
//       Year:       1435
//       Month:      2
//       DayOfYear:  59
//       DayOfMonth: 29
//       DayOfWeek:  Wednesday
Imports System.Globalization

Module Example
   Public Sub Main()
      Dim date1 As Date = New Date(2011, 4, 3, New GregorianCalendar())
      Dim cal As New UmAlQuraCalendar()
      
      Console.WriteLine("{0:MMMM d, yyyy} in the Gregorian calendar is equivalent to:", date1)
      DisplayCalendarInfo(cal, date1)
            
      ' Add 2 years and 10 months by calling UmAlQuraCalendar methods.
      date1 = cal.AddYears(date1, 2)
      date1 = cal.AddMonths(date1, 10)       

      Console.WriteLine("After adding 2 years and 10 months in the {0} calendar,", 
                        GetCalendarName(cal))
      Console.WriteLine("{0:MMMM d, yyyy} in the Gregorian calendar is equivalent to:", date1)
      DisplayCalendarInfo(cal, date1)
   End Sub
   
   Private Sub DisplayCalendarInfo(cal As Calendar, date1 As Date)
      Console.WriteLine("   Calendar:   {0}", GetCalendarName(cal))    
      Console.WriteLine("   Era:        {0}", cal.GetEra(date1))
      Console.WriteLine("   Year:       {0}", cal.GetYear(date1))
      Console.WriteLine("   Month:      {0}", cal.GetMonth(date1))
      Console.WriteLine("   DayOfYear:  {0}", cal.GetDayOfYear(date1))
      Console.WriteLine("   DayOfMonth: {0}", cal.GetDayOfMonth(date1))
      Console.WriteLine("   DayOfWeek:  {0}", cal.GetDayOfWeek(date1))
      Console.WriteLine()
   End Sub
   
   Private Function GetCalendarName(cal As Calendar) As String
      Return cal.ToString().Replace("System.Globalization.", "").
             Replace("Calendar", "")   
   End Function
End Module
' The example displays the following output:
'    April 3, 2011 in the Gregorian calendar is equivalent to:
'       Calendar:   UmAlQura
'       Era:        1
'       Year:       1432
'       Month:      4
'       DayOfYear:  118
'       DayOfMonth: 29
'       DayOfWeek:  Sunday
'    
'    After adding 2 years and 10 months in the UmAlQura calendar,
'    January 1, 2014 in the Gregorian calendar is equivalent to:
'       Calendar:   UmAlQura
'       Era:        1
'       Year:       1435
'       Month:      2
'       DayOfYear:  59
'       DayOfMonth: 29
'       DayOfWeek:  Wednesday

Remarks

The DayOfWeek values are as follows:

DayOfWeek value which indicates
Sunday الاحد (Al-Ahad)
Monday الاثنين (Al-Ithnayn)
Tuesday الثلاثاء (At-Thulaathaa')
Wednesday الاربعاء (Al-Arbi'aa')
Thursday الخميس (Al-Khamiis)
Friday الجمعة (Al-Jumu'ah)
Saturday السبت (As-Sabt)

Applies to

See also