require_once "Date/Holidays.php";
$germany = &Date_Holidays::factory('Germany', 2004, 'en_EN');
if (Date_Holidays::isError($germany)) {
    die('Factory was unable to produce driver-object');
}
$easter = &$germany->getHoliday('easter', 'de_DE');
if (!Date_Holidays::isError($easter)) {
    print_r($easter->toArray());
}

Array
(
    [internalName] => easter
    [title] => Easter Sunday
    [date] => date Object
        (
            [year] => 2004
            [month] => 04
            [day] => 11
            [hour] => 0
            [minute] => 0
            [second] => 0
            [tz] => date_timezone Object
                (
                    [id] => UTC
                    [longname] => Coordinated Universal Time
                    [shortname] => UTC
                    [hasdst] =>
                    [dstlongname] => Coordinated Universal Time
                    [dstshortname] => UTC
                    [offset] => 0
                    [default] =>
                )

        )

)