<?php
date_default_timezone_set("Europe/Oslo");
$ts = date_create("December 22nd, 2005 15:41");
$locales = array('en_US', 'fr_CA', 'nb_NO', 'ru_RU', 'ar_SA', 'ja_JP');
foreach ($locales as $locale) {
locale_set_default($locale);
echo date_format_locale($ts, DATE_RFC2822), "<br/>\n";
}
?>
Output