Get Active Directory user account last logged on time

GetADUserLastLogonTime.psm1

#Check if the account exists. 
If($Results.Count -eq 0) 
{ 
    Write-Warning "The SamAccountName '$UserName' cannot find. Please make sure that it exists." 
} 
Else 
{ 
    Foreach($Result in $Results) 
    { 
        $DistinguishedName = $Result.Properties.Item("DistinguishedName") 
        $LastLogonTimeStamp = $Result.Properties.Item("LastLogonTimeStamp") 
             
        If ($LastLogonTimeStamp.Count -eq 0) 
        { 
            $Time = [DateTime]0 
        } 
        Else 
        { 
            $Time = [DateTime]$LastLogonTimeStamp.Item(0) 
        } 
        If ($LastLogonTimeStamp -eq 0) 
        { 
            $LastLogon = $Time.AddYears(1600) 
        } 
        Else 
        { 
            $LastLogon = $Time.AddYears(1600).ToLocalTime() 
        } 
  
        #Output in comma delimited format. 
        $Hash = @{ 
                    SamAccountName = $UserName 
                    LastLogonTimeStamp = $(If($LastLogon -match "12/31/1600") 
                                            { 
                                                "Never Logon" 
                                            } 
                                            Else 
                                            { 
                                                $LastLogon 
                                            }) 
                    } 
        $Objs = New-Object -TypeName PSObject -Property $Hash 
  
        $Objs                         
    } 
}