Mega Code Archive
Convert DateTimeOffset to Universal Time
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Module MyModule
Public Sub Main()
Const tzName As String = "Central Standard Time"
Dim generalTime As Date = #03/09/2010 1:30AM#
Dim cst As TimeZoneInfo = TimeZoneInfo.FindSystemTimeZoneById(tzName)
Dim twoAndAHalfHours As New TimeSpan(2, 30, 0)
Try
Dim centralTime1 As New DateTimeOffset(generalTime,cst.GetUtcOffset(generalTime))
Dim utcTime As DateTimeOffset = centralTime1.ToUniversalTime()
utcTime += twoAndAHalfHours
Dim centralTime2 As DateTimeOffset = TimeZoneInfo.ConvertTime(utcTime, cst)
Console.WriteLine("{0} + {1} hours = {2}", centralTime1, _
twoAndAHalfHours.ToString(), _
centralTime2)
Catch e As TimeZoneNotFoundException
Console.WriteLine("TimeZoneNotFoundException")
End Try
End Sub
End Module
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