GetDayOfWeek Method

Calendar.GetDayOfWeek Method

[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]

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

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

'Declaration
Public MustOverride Function GetDayOfWeek ( _
	time As DateTime _
) As DayOfWeek

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.


Imports System.Globalization

Public Class Example
   Public Shared Sub Demo(ByVal outputBlock As System.Windows.Controls.TextBlock)

      ' Sets a DateTime to April 3, 2002 of the Gregorian calendar.
      Dim myDT As New DateTime(2002, 4, 3, New GregorianCalendar())

      ' Uses the default calendar of the InvariantCulture.
      Dim myCal As Calendar = CultureInfo.InvariantCulture.Calendar

      ' Displays the values of the DateTime.
      outputBlock.Text += String.Format("April 3, 2002 of the Gregorian calendar:") & vbCrLf
      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:" & vbCrLf
      DisplayValues(outputBlock, myCal, myDT)

   End Sub 

   Public Shared Sub DisplayValues(ByVal outputBlock As System.Windows.Controls.TextBlock, ByVal myCal As Calendar, ByVal myDT As DateTime)
      outputBlock.Text += String.Format("   Era:          {0}", myCal.GetEra(myDT)) & vbCrLf
      outputBlock.Text += String.Format("   Year:         {0}", myCal.GetYear(myDT)) & vbCrLf
      outputBlock.Text += String.Format("   Month:        {0}", myCal.GetMonth(myDT)) & vbCrLf
      outputBlock.Text += String.Format("   DayOfYear:    {0}", myCal.GetDayOfYear(myDT)) & vbCrLf
      outputBlock.Text += String.Format("   DayOfMonth:   {0}", myCal.GetDayOfMonth(myDT)) & vbCrLf
      outputBlock.Text += String.Format("   DayOfWeek:    {0}", myCal.GetDayOfWeek(myDT)) & vbCrLf
      outputBlock.Text += String.Format("   Hour:         {0}", myCal.GetHour(myDT)) & vbCrLf
      outputBlock.Text += String.Format("   Minute:       {0}", myCal.GetMinute(myDT)) & vbCrLf
      outputBlock.Text += String.Format("   Second:       {0}", myCal.GetSecond(myDT)) & vbCrLf
      outputBlock.Text += String.Format("   Milliseconds: {0}", myCal.GetMilliseconds(myDT)) & vbCrLf
      outputBlock.Text &= vbCrLf
   End Sub 
End Class  
' This example 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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