Improved pwdLastSet

Option Explicit
Const LocalTimeZone = "PT"
Const AppTitle = "Password Last Changed"
Dim ADsPath
ADsPath = WScript.Arguments.Named.Item("ADsPath")
If ADsPath = "" Then
    MsgBox "Enter a username.", , AppTitle
Else
    ShowPasswordLastChanged ADsPath
End If
Sub ShowPasswordLastChanged(ADsPath)
    Dim User, PasswordLastChanged, Message
    Set User = GetObject(ADsPath)
    PasswordLastChanged = GetLocal(User)
    'PasswordLastChanged = GetUTC(User)
    If PasswordLastChanged = "" Then
        Message = " must change password at next logon."
    Else
        Message = vbCrLf & "   Password Last Changed: " & PasswordLastChanged
    End If
    MsgBox User.samAccountName & " (" & User.cn & ")" & Message, , AppTitle
    'MsgBox User.PasswordExpirationDate, , AppTitle ' This can take a long time to come up.
End Sub
Function GetLocal(User)
    Const E_ADS_PROPERTY_NOT_FOUND = &H8000500D
    On Error Resume Next
    GetLocal = User.PasswordLastChanged
    If Err.Number = E_ADS_PROPERTY_NOT_FOUND Then
        GetLocal = ""
    Else
        GetLocal = GetLocal & " " & LocalTimeZone
    End If
End Function
Function GetUTC(User)
    GetUTC = DecodeLargeInt(User.pwdLastSet)
    If GetUTC = 0 Then 
        GetUTC = ""
    Else
        GetUTC = GetUTC & " UTC"
    End If
End Function
Function DecodeLargeInt(LgInt)
    Dim dVal
    Const Ticks_per_sec = 10000000 ' 1E7.  1 tick = 100 nanoseconds
    Const Tick_start_date = #1/1/1601#
    Const MinuteInterval = "n" ' "n" is Minute ("m" is Month)
    Const SecondInterval = "s"
    ' See Correction in Community Content section under http://msdn.microsoft.com/en-us/library/aa706038
    dVal = LgInt.HighPart * 2 ^ 32 + (LgInt.LowPart Xor &H80000000) + 2 ^ 31
    If (LgInt.HighPart = -2147483648 And LgInt.LowPart = 0) Or (LgInt.HighPart = 2147483647 And LgInt.LowPart = -1) Then
        DecodeLargeInt = "(never)"
    ElseIf dVal > 1E+17 And dVal < 2E+17 Then ' Assume dVal represents a Date between Nov 1917 and Oct 2234.
        Dim ticks, seconds, minutes
        ticks = dVal ' dVal contains 100-nanosecond intervals (ticks) since Jan 1, 1601.
        seconds = ticks / Ticks_per_sec
        ' DateAdd() converts the 2nd argument to a Long. Passing in seconds will overflow, so use minutes even though there's some rounding.
        minutes = CLng(seconds / 60)
        DecodeLargeInt = DateAdd(SecondInterval, seconds - minutes * 60, DateAdd(MinuteInterval, minutes, Tick_start_date))
    Else
        DecodeLargeInt = dVal ' Assume it's a Large Int, not a Date.
    End If
End Function