old NTAD.php

function NTAD($f,$pn,$tz,$nds,$ds){
    $dt = new DateTime("now", new DateTimeZone($tz));
    $offset = (string)$dt->getOffset();
    $osCheck = $offset / 60;
    $osCheck = $osCheck / 60;
    if($osCheck == $nds){
        $dstS = "Daylight Savings Time <strong>IS NOT</strong> in Effect.";
    }elseif($osCheck == $ds){
        $dstS = "Daylight Savings Time <strong>IS</strong> in Effect.";
    }else{
        $dstS = "Error: Offset is wrong. Real offset is ".$osCheck;
    }
    return "<strong>".$pn.": ".$dt->format($f)."GMT</strong> | ".$dstS."<br />";
}