Calendar.GetDayOfWeek Method

May 11, 2014

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
)

Parameters

time
Type: System.DateTime
The DateTime to read.

Return Value

Type: System.DayOfWeek
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 Example
{

   public static void Demo(System.Windows.Controls.TextBlock outputBlock)
   {

      // 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.
      outputBlock.Text += String.Format("April 3, 2002 of the Gregorian calendar:") + "\n";
      DisplayValues(outputBlock, 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.
      outputBlock.Text += "After adding 5 to each component of the DateTime:" + "\n";
      DisplayValues(outputBlock, myCal, myDT);

   }

   public static void DisplayValues(System.Windows.Controls.TextBlock outputBlock, Calendar myCal, DateTime myDT)
   {
      outputBlock.Text += String.Format("   Era:          {0}", myCal.GetEra(myDT)) + "\n";
      outputBlock.Text += String.Format("   Year:         {0}", myCal.GetYear(myDT)) + "\n";
      outputBlock.Text += String.Format("   Month:        {0}", myCal.GetMonth(myDT)) + "\n";
      outputBlock.Text += String.Format("   DayOfYear:    {0}", myCal.GetDayOfYear(myDT)) + "\n";
      outputBlock.Text += String.Format("   DayOfMonth:   {0}", myCal.GetDayOfMonth(myDT)) + "\n";
      outputBlock.Text += String.Format("   DayOfWeek:    {0}", myCal.GetDayOfWeek(myDT)) + "\n";
      outputBlock.Text += String.Format("   Hour:         {0}", myCal.GetHour(myDT)) + "\n";
      outputBlock.Text += String.Format("   Minute:       {0}", myCal.GetMinute(myDT)) + "\n";
      outputBlock.Text += String.Format("   Second:       {0}", myCal.GetSecond(myDT)) + "\n";
      outputBlock.Text += String.Format("   Milliseconds: {0}", myCal.GetMilliseconds(myDT)) + "\n";
      outputBlock.Text += "\n";
   }

}


/*
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 Phone OS

Supported in: 8.1, 8.0, 7.1, 7.0

Windows Phone

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