VB.Net by API/System.Globalization/DateTimeFormatInfo

DateTimeFormatInfo.AMDesignator()

<source lang="vbnet"> public class Test

  public Shared Sub Main
       Dim Provider As New System.Globalization.DateTimeFormatInfo()
       Console.WriteLine(Provider.AMDesignator())
       Console.WriteLine(DateTime.ParseExact("12:42", "hh:mm", Provider))
  End Sub

End class

 </source>

DateTimeFormatInfo.ParseExact

<source lang="vbnet"> public class Test

  public Shared Sub Main
       Dim Provider As New System.Globalization.DateTimeFormatInfo()
       Console.WriteLine(Provider.AMDesignator())
       Console.WriteLine(DateTime.ParseExact("12:42", "hh:mm", Provider))
  End Sub

End class

 </source>