...to display how long your site is up
just put the following code in a php-block:
$time_diff = time() - strtotime("2008-12-01 00:00:00");
$tage = ($time_diff - $time_diff%86400)/86400;
$rest_zeit = $time_diff - $tage*86400;
$stunden = ($rest_zeit - $rest_zeit%3600)/3600;
$rest_zeit = $time_diff - $tage*86400 - $stunden*3600;
$minuten = ($rest_zeit - $rest_zeit%60)/60;
$rest_zeit = $time_diff - $tage*86400 - $stunden*3600 - $minuten*60;
$sekunden = $rest_zeit;
echo "<b>Homepage online since:</b><br>";
echo $tage." Days<br>";
echo $stunden." Hours<br>";
echo $minuten." Minutes<br>";
echo $sekunden." Seconds<br>";
you just have to set the date (and time if you want) in the first line:
$time_diff = time() - strtotime("2008-12-01 00:00:00");