DateTimeOffset.ToString Method

Converts the value of the current DateTimeOffset object to its equivalent string representation.

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

Public Overrides Function ToString As String

Return Value

Type: System.String
A string representation of a DateTimeOffset object that includes the offset appended at the end of the string.


The date and time is outside the range of dates supported by the calendar used by the current culture.

The return value of this method is identical to that of the DateTime.ToString method, except that it includes a space followed by the offset appended at the end of the string. In other words, it formats output using the short date pattern, the long time pattern, and the zzz custom format string, with each element separated from the previous element by a space. For example, if DateTime.ToString returns a value of 1/12/2008 6:15:50 PM, ToString returns a value of 1/12/2008 6:15:50 PM -08:00 for a time that is eight hours behind Coordinated Universal Time (UTC).

This method uses formatting information derived from the current culture. For more information, see CurrentCulture. Other overloads of the ToString method enable you to specify the culture whose formatting to use, and to define the output pattern of the DateTimeOffset value.

Notes to Callers

The ToString method returns the string representation of the date and time in the calendar used by the current culture. If the value of the current DateTimeOffset instance is earlier than Calendar.MinSupportedDateTime or later than Calendar.MaxSupportedDateTime, the method throws an ArgumentOutOfRangeException. The following example provides an illustration. It attempts to format a date that is outside the range of the HijriCalendar class when the current culture is Arabic (Syria).

Imports System.Globalization
Imports System.Threading

Module Example
   Public Sub Demo(ByVal outputBlock As System.Windows.Controls.TextBlock)
      Dim date1 As New DateTimeOffset(#1/1/0550#, TimeSpan.Zero)
      Dim dft As CultureInfo
      Dim arSY As New CultureInfo("ar-SY")
      arSY.DateTimeFormat.Calendar = New HijriCalendar()

      ' Change current culture to arSY.
      dft = Thread.CurrentThread.CurrentCulture
      Thread.CurrentThread.CurrentCulture = arSY

      ' Display the date using the current culture's calendar.            
         outputBlock.Text &= date1.ToString() & vbCrLf
      Catch e As ArgumentOutOfRangeException
         outputBlock.Text += String.Format("{0} is earlier than {1:d} or later than {2:d}", _
                           date1.ToString("d", CultureInfo.InvariantCulture), _
                           arSY.DateTimeFormat.Calendar.MinSupportedDateTime.ToString("d", CultureInfo.InvariantCulture), _
                           arSY.DateTimeFormat.Calendar.MaxSupportedDateTime.ToString("d", CultureInfo.InvariantCulture)) & vbCrLf
      End Try

      ' Restore the default culture.
      Thread.CurrentThread.CurrentCulture = dft
   End Sub
End Module
' The example displays the following output:
'    01/01/0550 is earlier than 07/18/0622 or later than 12/31/9999

The following example illustrates calls to the ToString method and displays its output on a system whose current culture is en-us.

Dim thisDate As DateTimeOffset

' Show output for UTC time
thisDate = DateTimeOffset.UtcNow
outputBlock.Text &= thisDate.ToString() & vbCrLf  ' Displays 3/28/2007 7:13:50 PM +00:00

' Show output for local time 
thisDate = DateTimeOffset.Now
outputBlock.Text &= thisDate.ToString() & vbCrLf  ' Displays 3/28/2007 12:13:50 PM -07:00

' Show output for arbitrary time offset
thisDate = thisDate.ToOffset(New TimeSpan(-5, 0, 0))
outputBlock.Text &= thisDate.ToString() & vbCrLf  ' Displays 3/28/2007 2:13:50 PM -05:00


Supported in: 5, 4, 3

Silverlight for Windows Phone

Supported in: Windows Phone OS 7.1, Windows Phone OS 7.0

XNA Framework

Supported in: Xbox 360, Windows Phone OS 7.0

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.

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