PHP - Weltzeituhr


<?php

/*
 * Weltzeituhr
 */


// Zeitzonen
$zeitzonen = [
    
"Berlin" => "Europe/Berlin",
    
"Moskau" => "Europe/Moscow",
    
"Madrid" => "Europe/Madrid",

    
"Los Angeles" => "America/Los_Angeles",
    
"Chicago" => "America/Chicago",
    
"New York" => "America/New_York",

    
"Seoul" => "Asia/Seoul",
    
"Hong Kong" => "Asia/Hong_Kong",
    
"Tokyo" => "Asia/Tokyo",

    
"Auckland" => "Pacific/Auckland",
    
"Tahiti" => "Pacific/Tahiti",
    
"Honolulu" => "Pacific/Honolulu",

    
"Nairobi" => "Africa/Nairobi",
    
"Dakar" => "Africa/Dakar",
    
"Casablanca" => "Africa/Casablanca",

    
"Darwin" => "Australia/Darwin",
    
"Brisbane" => "Australia/Brisbane",
    
"Sydney" => "Australia/Sydney",
];

foreach (
$zeitzonen as $stadt => $zeitzone) {
 echo 
'<a href="?zeitzone=' $zeitzone '&stadt=' $stadt '">' $stadt '</a>&emsp;';
}

// Zeitzone setzen / Standard-Wert
$zeitzone $_GET["zeitzone"] ?? 'Europe/Berlin';
date_default_timezone_set($zeitzone);

// Stadt / Standard-Wert
$stadt $_GET["stadt"] ?? 'Berlin';

// Ausgabe
echo '<p><strong>' $stadt '</strong>' 
 
'<br>' date("d.m.Y - H:i") . ' Uhr' .
 
'<br>Zeitzone: ' date("T - e") .
 
'<br>GMT: ' date("O") .
 
'<br>Monat: ' monate(date("n")) .
 
'<br>Wochentag: ' wochentag(date("w")) . ' </p>';

function 
wochentag($tag) {
 
$wochentage = ['Sonntag''Montag''Dienstag''Mittwoch''Donnerstag''Freitag''Samstag'];
 return 
$wochentage[$tag];
}

function 
monate($monat) {
 
$monate = [1=>'Januar''Februar''März''April''Mai''Juni''Juli''August''September''Oktober''November''Dezember'];
 return 
$monate[$monat];
}
?>
Alle Zeitzonen finden Sie hier
 "Africa/Abidjan"
 "Africa/Accra"
 "Africa/Addis_Ababa"
 "Africa/Algiers"
 "Africa/Asmara" 
 "Africa/Asmera" 
 "Africa/Bamako" 
 "Africa/Bangui" 
 "Africa/Banjul" 
 "Africa/Bissau" 
 "Africa/Blantyre" 
 "Africa/Brazzaville"
 "Africa/Bujumbura"
 "Africa/Cairo"
 "Africa/Casablanca" 
 "Africa/Ceuta"
 "Africa/Conakry"
 "Africa/Dakar"
 "Africa/Dar_es_Salaam"
 "Africa/Djibouti" 
 "Africa/Douala" 
 "Africa/El_Aaiun" 
 "Africa/Freetown" 
 "Africa/Gaborone" 
 "Africa/Harare" 
 "Africa/Johannesburg" 
 "Africa/Juba" 
 "Africa/Kampala"
 "Africa/Khartoum" 
 "Africa/Kigali" 
 "Africa/Kinshasa" 
 "Africa/Lagos"
 "Africa/Libreville" 
 "Africa/Lome" 
 "Africa/Luanda" 
 "Africa/Lubumbashi" 
 "Africa/Lusaka" 
 "Africa/Malabo" 
 "Africa/Maputo" 
 "Africa/Maseru" 
 "Africa/Mbabane"
 "Africa/Mogadishu"
 "Africa/Monrovia" 
 "Africa/Nairobi"
 "Africa/Ndjamena" 
 "Africa/Niamey" 
 "Africa/Nouakchott" 
 "Africa/Ouagadougou"
 "Africa/Porto-Novo" 
 "Africa/Sao_Tome" 
 "Africa/Timbuktu" 
 "Africa/Tripoli"
 "Africa/Tunis"
 "Africa/Windhoek" 
 "America/Adak"
 "America/Anchorage" 
 "America/Anguilla"
 "America/Antigua" 
 "America/Araguaina" 
 "America/Argentina/Bueno
 "America/Argentina/Catam
 "America/Argentina/Comod
 "America/Argentina/Cordo
 "America/Argentina/Jujuy
 "America/Argentina/La_Ri
 "America/Argentina/Mendo
 "America/Argentina/Rio_G
 "America/Argentina/Salta
 "America/Argentina/San_J
 "America/Argentina/San_L
 "America/Argentina/Tucum
 "America/Argentina/Ushua
 "America/Aruba" 
 "America/Asuncion"
 "America/Atikokan"
 "America/Atka"
 "America/Bahia" 
 "America/Bahia_Banderas"
 "America/Barbados"
 "America/Belem" 
 "America/Belize"
 "America/Blanc-Sablon"
 "America/Boa_Vista" 
 "America/Bogota"
 "America/Boise" 
 "America/Buenos_Aires"
 "America/Cambridge_Bay" 
 "America/Campo_Grande"
 "America/Cancun"
 "America/Caracas" 
 "America/Catamarca" 
 "America/Cayenne" 
 "America/Cayman"
 "America/Chicago" 
 "America/Chihuahua" 
 "America/Coral_Harbour" 
 "America/Cordoba" 
 "America/Costa_Rica"
 "America/Creston" 
 "America/Cuiaba"
 "America/Curacao" 
 "America/Danmarkshavn"
 "America/Dawson"
 "America/Dawson_Creek"
 "America/Denver"
 "America/Detroit" 
 "America/Dominica"
 "America/Edmonton"
 "America/Eirunepe"
 "America/El_Salvador" 
 "America/Ensenada"
 "America/Fort_Nelson" 
 "America/Fort_Wayne"
 "America/Fortaleza" 
 "America/Glace_Bay" 
 "America/Godthab" 
 "America/Goose_Bay" 
 "America/Grand_Turk"
 "America/Grenada" 
 "America/Guadeloupe"
 "America/Guatemala" 
 "America/Guayaquil" 
 "America/Guyana"
 "America/Halifax" 
 "America/Havana"
 "America/Hermosillo"
 "America/Indiana/Indiana
 "America/Indiana/Knox"
 "America/Indiana/Marengo
 "America/Indiana/Petersb
 "America/Indiana/Tell_Ci
 "America/Indiana/Vevay" 
 "America/Indiana/Vincenn
 "America/Indiana/Winamac
 "America/Indianapolis"
 "America/Inuvik"
 "America/Iqaluit" 
 "America/Jamaica" 
 "America/Jujuy" 
 "America/Juneau"
 "America/Kentucky/Louisv
 "America/Kentucky/Montic
 "America/Knox_IN" 
 "America/Kralendijk"
 "America/La_Paz"
 "America/Lima"
 "America/Los_Angeles" 
 "America/Louisville"
 "America/Lower_Princes" 
 "America/Maceio"
 "America/Managua" 
 "America/Manaus"
 "America/Marigot" 
 "America/Martinique"
 "America/Matamoros" 
 "America/Mazatlan"
 "America/Mendoza" 
 "America/Menominee" 
 "America/Merida"
 "America/Metlakatla"
 "America/Mexico_City" 
 "America/Miquelon"
 "America/Moncton" 
 "America/Monterrey" 
 "America/Montevideo"
 "America/Montreal"
 "America/Montserrat"
 "America/Nassau"
 "America/New_York"
 "America/Nipigon" 
 "America/Nome"
 "America/Noronha" 
 "America/North_Dakota/Be
 "America/North_Dakota/Ce
 "America/North_Dakota/Ne
 "America/Nuuk"
 "America/Ojinaga" 
 "America/Panama"
 "America/Pangnirtung" 
 "America/Paramaribo"
 "America/Phoenix" 
 "America/Port-au-Prince"
 "America/Port_of_Spain" 
 "America/Porto_Acre"
 "America/Porto_Velho" 
 "America/Puerto_Rico" 
 "America/Punta_Arenas"
 "America/Rainy_River" 
 "America/Rankin_Inlet"
 "America/Recife"
 "America/Regina"
 "America/Resolute"
 "America/Rio_Branco"
 "America/Rosario" 
 "America/Santa_Isabel"
 "America/Santarem"
 "America/Santiago"
 "America/Santo_Domingo" 
 "America/Sao_Paulo" 
 "America/Scoresbysund"
 "America/Shiprock"
 "America/Sitka" 
 "America/St_Barthelemy" 
 "America/St_Johns"
 "America/St_Kitts"
 "America/St_Lucia"
 "America/St_Thomas" 
 "America/St_Vincent"
 "America/Swift_Current" 
 "America/Tegucigalpa" 
 "America/Thule" 
 "America/Thunder_Bay" 
 "America/Tijuana" 
 "America/Toronto" 
 "America/Tortola" 
 "America/Vancouver" 
 "America/Virgin"
 "America/Whitehorse"
 "America/Winnipeg"
 "America/Yakutat" 
 "America/Yellowknife" 
 "Antarctica/Casey"
 "Antarctica/Davis"
 "Antarctica/DumontDUrvil
 "Antarctica/Macquarie"
 "Antarctica/Mawson" 
 "Antarctica/McMurdo"
 "Antarctica/Palmer" 
 "Antarctica/Rothera"
 "Antarctica/South_Pole" 
 "Antarctica/Syowa"
 "Antarctica/Troll"
 "Antarctica/Vostok" 
 "Arctic/Longyearbyen" 
 "Asia/Aden" 
 "Asia/Almaty" 
 "Asia/Amman"
 "Asia/Anadyr" 
 "Asia/Aqtau"
 "Asia/Aqtobe" 
 "Asia/Ashgabat" 
 "Asia/Ashkhabad"
 "Asia/Atyrau" 
 "Asia/Baghdad"
 "Asia/Bahrain"
 "Asia/Baku" 
 "Asia/Bangkok"
 "Asia/Barnaul"
 "Asia/Beirut" 
 "Asia/Bishkek"
 "Asia/Brunei" 
 "Asia/Calcutta" 
 "Asia/Chita"
 "Asia/Choibalsan" 
 "Asia/Chongqing"
 "Asia/Chungking"
 "Asia/Colombo"
 "Asia/Dacca"
 "Asia/Damascus" 
 "Asia/Dhaka"
 "Asia/Dili" 
 "Asia/Dubai"
 "Asia/Dushanbe" 
 "Asia/Famagusta"
 "Asia/Gaza" 
 "Asia/Harbin" 
 "Asia/Hebron" 
 "Asia/Ho_Chi_Minh"
 "Asia/Hong_Kong"
 "Asia/Hovd" 
 "Asia/Irkutsk"
 "Asia/Istanbul" 
 "Asia/Jakarta"
 "Asia/Jayapura" 
 "Asia/Jerusalem"
 "Asia/Kabul"
 "Asia/Kamchatka"
 "Asia/Karachi"
 "Asia/Kashgar"
 "Asia/Kathmandu"
 "Asia/Katmandu" 
 "Asia/Khandyga" 
 "Asia/Kolkata"
 "Asia/Krasnoyarsk"
 "Asia/Kuala_Lumpur" 
 "Asia/Kuching"
 "Asia/Kuwait" 
 "Asia/Macao"
 "Asia/Macau"
 "Asia/Magadan"
 "Asia/Makassar" 
 "Asia/Manila" 
 "Asia/Muscat" 
 "Asia/Nicosia"
 "Asia/Novokuznetsk" 
 "Asia/Novosibirsk"
 "Asia/Omsk" 
 "Asia/Oral" 
 "Asia/Phnom_Penh" 
 "Asia/Pontianak"
 "Asia/Pyongyang"
 "Asia/Qatar"
 "Asia/Qostanay" 
 "Asia/Qyzylorda"
 "Asia/Rangoon"
 "Asia/Riyadh" 
 "Asia/Saigon" 
 "Asia/Sakhalin" 
 "Asia/Samarkand"
 "Asia/Seoul"
 "Asia/Shanghai" 
 "Asia/Singapore"
 "Asia/Srednekolymsk"
 "Asia/Taipei" 
 "Asia/Tashkent" 
 "Asia/Tbilisi"
 "Asia/Tehran" 
 "Asia/Tel_Aviv" 
 "Asia/Thimbu" 
 "Asia/Thimphu"
 "Asia/Tokyo"
 "Asia/Tomsk"
 "Asia/Ujung_Pandang"
 "Asia/Ulaanbaatar"
 "Asia/Ulan_Bator" 
 "Asia/Urumqi" 
 "Asia/Ust-Nera" 
 "Asia/Vientiane"
 "Asia/Vladivostok"
 "Asia/Yakutsk"
 "Asia/Yangon" 
 "Asia/Yekaterinburg"
 "Asia/Yerevan"
 "Atlantic/Azores" 
 "Atlantic/Bermuda"
 "Atlantic/Canary" 
 "Atlantic/Cape_Verde" 
 "Atlantic/Faeroe" 
 "Atlantic/Faroe"
 "Atlantic/Jan_Mayen"
 "Atlantic/Madeira"
 "Atlantic/Reykjavik"
 "Atlantic/South_Georgia"
 "Atlantic/St_Helena"
 "Atlantic/Stanley"
 "Australia/ACT" 
 "Australia/Adelaide"
 "Australia/Brisbane"
 "Australia/Broken_Hill" 
 "Australia/Canberra"
 "Australia/Currie"
 "Australia/Darwin"
 "Australia/Eucla" 
 "Australia/Hobart"
 "Australia/LHI" 
 "Australia/Lindeman"
 "Australia/Lord_Howe" 
 "Australia/Melbourne" 
 "Australia/North" 
 "Australia/NSW" 
 "Australia/Perth" 
 "Australia/Queensland"
 "Australia/South" 
 "Australia/Sydney"
 "Australia/Tasmania"
 "Australia/Victoria"
 "Australia/West"
 "Australia/Yancowinna"
 "Brazil/Acre" 
 "Brazil/DeNoronha"
 "Brazil/East" 
 "Brazil/West" 
 "Canada/Atlantic" 
 "Canada/Central"
 "Canada/Eastern"
 "Canada/Mountain" 
 "Canada/Newfoundland" 
 "Canada/Pacific"
 "Canada/Saskatchewan" 
 "Canada/Yukon"
 "Chile/Continental" 
 "Chile/EasterIsland"
 "Cuba"
 "Europe/Amsterdam"
 "Europe/Andorra"
 "Europe/Astrakhan"
 "Europe/Athens" 
 "Europe/Belfast"
 "Europe/Belgrade" 
 "Europe/Berlin" 
 "Europe/Bratislava" 
 "Europe/Brussels" 
 "Europe/Bucharest"
 "Europe/Budapest" 
 "Europe/Busingen" 
 "Europe/Chisinau" 
 "Europe/Copenhagen" 
 "Europe/Dublin" 
 "Europe/Gibraltar"
 "Europe/Guernsey" 
 "Europe/Helsinki" 
 "Europe/Isle_of_Man"
 "Europe/Istanbul" 
 "Europe/Jersey" 
 "Europe/Kaliningrad"
 "Europe/Kiev" 
 "Europe/Kirov"
 "Europe/Lisbon" 
 "Europe/Ljubljana"
 "Europe/London" 
 "Europe/Luxembourg" 
 "Europe/Madrid" 
 "Europe/Malta"
 "Europe/Mariehamn"
 "Europe/Minsk"
 "Europe/Monaco" 
 "Europe/Moscow" 
 "Europe/Nicosia"
 "Europe/Oslo" 
 "Europe/Paris"
 "Europe/Podgorica"
 "Europe/Prague" 
 "Europe/Riga" 
 "Europe/Rome" 
 "Europe/Samara" 
 "Europe/San_Marino" 
 "Europe/Sarajevo" 
 "Europe/Saratov"
 "Europe/Simferopol" 
 "Europe/Skopje" 
 "Europe/Sofia"
 "Europe/Stockholm"
 "Europe/Tallinn"
 "Europe/Tirane" 
 "Europe/Tiraspol" 
 "Europe/Ulyanovsk"
 "Europe/Uzhgorod" 
 "Europe/Vaduz"
 "Europe/Vatican"
 "Europe/Vienna" 
 "Europe/Vilnius"
 "Europe/Volgograd"
 "Europe/Warsaw" 
 "Europe/Zagreb" 
 "Europe/Zaporozhye" 
 "Europe/Zurich" 
 "Indian/Antananarivo" 
 "Indian/Chagos" 
 "Indian/Christmas"
 "Indian/Cocos"
 "Indian/Comoro" 
 "Indian/Kerguelen"
 "Indian/Mahe" 
 "Indian/Maldives" 
 "Indian/Mauritius"
 "Indian/Mayotte"
 "Indian/Reunion"
 "Mexico/BajaNorte"
 "Mexico/BajaSur"
 "Mexico/General"
 "Pacific/Apia"
 "Pacific/Auckland"
 "Pacific/Bougainville"
 "Pacific/Chatham" 
 "Pacific/Chuuk" 
 "Pacific/Easter"
 "Pacific/Efate" 
 "Pacific/Enderbury" 
 "Pacific/Fakaofo" 
 "Pacific/Fiji"
 "Pacific/Funafuti"
 "Pacific/Galapagos" 
 "Pacific/Gambier" 
 "Pacific/Guadalcanal" 
 "Pacific/Guam"
 "Pacific/Honolulu"
 "Pacific/Johnston"
 "Pacific/Kiritimati"
 "Pacific/Kosrae"
 "Pacific/Kwajalein" 
 "Pacific/Majuro"
 "Pacific/Marquesas" 
 "Pacific/Midway"
 "Pacific/Nauru" 
 "Pacific/Niue"
 "Pacific/Norfolk" 
 "Pacific/Noumea"
 "Pacific/Pago_Pago" 
 "Pacific/Palau" 
 "Pacific/Pitcairn"
 "Pacific/Pohnpei" 
 "Pacific/Ponape"
 "Pacific/Port_Moresby"
 "Pacific/Rarotonga" 
 "Pacific/Saipan"
 "Pacific/Samoa" 
 "Pacific/Tahiti"
 "Pacific/Tarawa"
 "Pacific/Tongatapu" 
 "Pacific/Truk"
 "Pacific/Wake"
 "Pacific/Wallis"
 "Pacific/Yap" 
 "US/Alaska" 
 "US/Aleutian" 
 "US/Arizona"
 "US/Central"
 "US/East-Indiana" 
 "US/Eastern"
 "US/Hawaii" 
 "US/Indiana-Starke" 
 "US/Michigan" 
 "US/Mountain" 
 "US/Pacific"
 "US/Samoa"

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