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("Europe/London", new DateTimeZone($timezone)); // Us dumb Americans can't handle millitary time //$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') . $ampm; } } // View print 'Select Your Timezone'; foreach($timezones as $region => $list) { print '' . "\n"; foreach($list as $timezone => $name) { $name = str_replace('_', ' ', $name); print '' . $name . '' . "\n"; } print '' . "\n"; } print '';