DateTimeZone::AFRICA,
'America' => DateTimeZone::AMERICA,
'Antarctica' => DateTimeZone::ANTARCTICA,
'Aisa' => DateTimeZone::ASIA,
'Atlantic' => DateTimeZone::ATLANTIC,
'Europe' => DateTimeZone::EUROPE,
'Indian' => DateTimeZone::INDIAN,
'Pacific' => DateTimeZone::PACIFIC
);
$timezones = array();
foreach ($regions as $name => $mask) {
$zones = DateTimeZone::listIdentifiers($mask);
foreach($zones as $timezone) {
// Lets sample the time there right now
$time = new DateTime(NULL, new DateTimeZone($timezone));
// Convert to 12 hour clock
$ampm = $time->format('H') > 12 ? ' ('.$time->format('g:i a').')' : '';
// Remove region name and add a sample time
$timezones[$name][$timezone] = substr($timezone, strlen($name) + 1).' - '.$time->format('H:i') . $ampm;
}
}
echo '';
?>