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Calendar.GetDayOfWeek Method

When overridden in a derived class, returns the day of the week in the specified DateTime.

Namespace: System.Globalization
Assembly: mscorlib (in mscorlib.dll)

public abstract DayOfWeek GetDayOfWeek (
	DateTime time
)
public abstract DayOfWeek GetDayOfWeek (
	DateTime time
)
public abstract function GetDayOfWeek (
	time : DateTime
) : DayOfWeek

Parameters

time

The DateTime to read.

Return Value

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

The DayOfWeek values are Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, and Saturday.

The following code example demonstrates the members of the Calendar class.

using System;
using System.Globalization;


public class SamplesCalendar  {

   public static void Main()  {

      // Sets a DateTime to April 3, 2002 of the Gregorian calendar.
      DateTime myDT = new DateTime( 2002, 4, 3, new GregorianCalendar() );

      // Uses the default calendar of the InvariantCulture.
      Calendar myCal = CultureInfo.InvariantCulture.Calendar;

      // Displays the values of the DateTime.
      Console.WriteLine( "April 3, 2002 of the Gregorian calendar:" );
      DisplayValues( myCal, myDT );

      // Adds 5 to every component of the DateTime.
      myDT = myCal.AddYears( myDT, 5 );
      myDT = myCal.AddMonths( myDT, 5 );
      myDT = myCal.AddWeeks( myDT, 5 );
      myDT = myCal.AddDays( myDT, 5 );
      myDT = myCal.AddHours( myDT, 5 );
      myDT = myCal.AddMinutes( myDT, 5 );
      myDT = myCal.AddSeconds( myDT, 5 );
      myDT = myCal.AddMilliseconds( myDT, 5 );

      // Displays the values of the DateTime.
      Console.WriteLine( "After adding 5 to each component of the DateTime:" );
      DisplayValues( myCal, myDT );

   }

   public static void DisplayValues( Calendar myCal, DateTime myDT )  {
      Console.WriteLine( "   Era:          {0}", myCal.GetEra( myDT ) );
      Console.WriteLine( "   Year:         {0}", myCal.GetYear( myDT ) );
      Console.WriteLine( "   Month:        {0}", myCal.GetMonth( myDT ) );
      Console.WriteLine( "   DayOfYear:    {0}", myCal.GetDayOfYear( myDT ) );
      Console.WriteLine( "   DayOfMonth:   {0}", myCal.GetDayOfMonth( myDT ) );
      Console.WriteLine( "   DayOfWeek:    {0}", myCal.GetDayOfWeek( myDT ) );
      Console.WriteLine( "   Hour:         {0}", myCal.GetHour( myDT ) );
      Console.WriteLine( "   Minute:       {0}", myCal.GetMinute( myDT ) );
      Console.WriteLine( "   Second:       {0}", myCal.GetSecond( myDT ) );
      Console.WriteLine( "   Milliseconds: {0}", myCal.GetMilliseconds( myDT ) );
      Console.WriteLine();
   }

}


/*
This code produces the following output.

April 3, 2002 of the Gregorian calendar:
   Era:          1
   Year:         2002
   Month:        4
   DayOfYear:    93
   DayOfMonth:   3
   DayOfWeek:    Wednesday
   Hour:         0
   Minute:       0
   Second:       0
   Milliseconds: 0

After adding 5 to each component of the DateTime:
   Era:          1
   Year:         2007
   Month:        10
   DayOfYear:    286
   DayOfMonth:   13
   DayOfWeek:    Saturday
   Hour:         5
   Minute:       5
   Second:       5
   Milliseconds: 5

*/

import System.* ;
import System.Globalization.* ;

public class SamplesCalendar
{
    public static void main(String[] args)
    {
        // Sets a DateTime to April 3, 2002 of the Gregorian calendar.
        DateTime myDT =  new DateTime(2002, 4, 3, new GregorianCalendar());

        // Uses the default calendar of the InvariantCulture.
        Calendar myCal = CultureInfo.get_InvariantCulture().get_Calendar();

        // Displays the values of the DateTime.
        Console.WriteLine("April 3, 2002 of the Gregorian calendar:");
        DisplayValues(myCal, myDT);

        // Adds 5 to every component of the DateTime.
        myDT = myCal.AddYears(myDT, 5);
        myDT = myCal.AddMonths(myDT, 5);
        myDT = myCal.AddWeeks(myDT, 5);
        myDT = myCal.AddDays(myDT, 5);
        myDT = myCal.AddHours(myDT, 5);
        myDT = myCal.AddMinutes(myDT, 5);
        myDT = myCal.AddSeconds(myDT, 5);
        myDT = myCal.AddMilliseconds(myDT, 5);

        // Displays the values of the DateTime.
        Console.WriteLine("After adding 5 to each component of the DateTime:");
        DisplayValues(myCal, myDT);
    } //main
   
    public static void DisplayValues(Calendar myCal, DateTime myDT)
    {
        Console.WriteLine("   Era:          {0}", 
            System.Convert.ToString(myCal.GetEra(myDT)));
        Console.WriteLine("   Year:         {0}", 
            System.Convert.ToString(myCal.GetYear(myDT)));
        Console.WriteLine("   Month:        {0}", 
            System.Convert.ToString(myCal.GetMonth(myDT)));
        Console.WriteLine("   DayOfYear:    {0}", 
            System.Convert.ToString(myCal.GetDayOfYear(myDT)));
        Console.WriteLine("   DayOfMonth:   {0}", 
            System.Convert.ToString(myCal.GetDayOfMonth(myDT)));
        Console.WriteLine("   DayOfWeek:    {0}",
            System.Convert.ToString(myCal.GetDayOfWeek(myDT)));
        Console.WriteLine("   Hour:         {0}",
            System.Convert.ToString(myCal.GetHour(myDT)));
        Console.WriteLine("   Minute:       {0}",
            System.Convert.ToString(myCal.GetMinute(myDT)));
        Console.WriteLine("   Second:       {0}", 
            System.Convert.ToString(myCal.GetSecond(myDT)));
        Console.WriteLine("   Milliseconds: {0}", 
            System.Convert.ToString(myCal.GetMilliseconds(myDT)));
        Console.WriteLine();
    } //DisplayValues
} //SamplesCalendar

/*
This code produces the following output.

April 3, 2002 of the Gregorian calendar:
   Era:          1
   Year:         2002
   Month:        4
   DayOfYear:    93
   DayOfMonth:   3
   DayOfWeek:    Wednesday
   Hour:         0
   Minute:       0
   Second:       0
   Milliseconds: 0

After adding 5 to each component of the DateTime:
   Era:          1
   Year:         2007
   Month:        10
   DayOfYear:    286
   DayOfMonth:   13
   DayOfWeek:    Saturday
   Hour:         5
   Minute:       5
   Second:       5
   Milliseconds: 5
*/

Windows 98, Windows 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see System Requirements.

.NET Framework

Supported in: 2.0, 1.1, 1.0

.NET Compact Framework

Supported in: 2.0, 1.0

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