Time Until New Year

<?php

date_default_timezone_set('Europe/Sofia');
$now = time();
echo 'Now: ' . date('d-m-Y G:i:s', $now) . '<br>';

$newYear = mktime(0, 0, 0, 1, 1, date('Y') + 1);
echo 'New Year: ' . date('d-m-Y G:i:s', $newYear) . '<br>';

//echo 'Remaining time to New Year: ' . ($newYear - $now) . ' seconds.';
echo '<br>';
$seconds = $newYear - $now;
$minutes = (int)($seconds / 60);
$hours = (int)($minutes / 60);
echo 'Hours until new year : ' . $hours . '<br>',
     'Minutes until new year : ' . $minutes . '<br>',
     'Seconds until new year : ' . $seconds . '<br>',
     'Days:Hours:Minutes:Seconds ';
$days = (int)($hours / 24);
$seconds = (int)($seconds % 60);
$minutes = (int)($minutes % 60);
$hours = (int)($hours % 24);
echo $days . ':' . $hours . ':' . $minutes . ':' . $seconds . '<br>';