Question

How to create ISO 8601 format datetime in VB.NET

Answer 1

Imports System
Imports System.Globalization

Public Class Program
	Public Shared Sub Main()
        Dim dt As DateTime = DateTime.UtcNow
		
        Dim ios8601dt = dt.ToString("yyyy-MM-ddTHH\:mm\:ss.fffffffzzz", CultureInfo.InvariantCulture)
		
        Console.Write(ios8601dt)
    End Sub
End Class

         
         
         
 
' run:
'
' 2023-08-17T11:04:05.5241672+00:00
'

 

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Answer 2

Imports System
Imports System.Globalization

Public Class Program
	Public Shared Sub Main()
        Dim dt As DateTime = DateTime.UtcNow
		
        Dim ios8601dt = dt.ToString("o", CultureInfo.InvariantCulture)
		
        Console.Write(ios8601dt)
    End Sub
End Class

 
          
          
          
  
' run:
'
' 2023-08-17T16:50:01.2713247Z
'

 

70+ SQL courses for beginners and professionals

Answer 3

Imports System
Imports System.Globalization

Public Class Program
	Public Shared Sub Main()
        Dim dt As DateTime = DateTime.UtcNow
		
        Dim ios8601dt = dt.ToString("yyyy-MM-ddTHH:mm:ssZ", CultureInfo.InvariantCulture)
		
        Console.Write(ios8601dt)
    End Sub
End Class


 
          
          
          
  
' run:
'
' 2023-08-17T17:21:54Z
'

 

70+ SQL courses for beginners and professionals