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@MehulBawadia
Created June 27, 2016 08:15
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The timezone list for select box
<?php
/*
* The below code is taken from the StackOverlow
* http://stackoverflow.com/questions/1727077/generating-a-drop-down-list-of-timezones-with-php
*/
function timezone_list() {
static $timezones = null;
if ($timezones === null) {
$timezones = [];
$offsets = [];
$now = new DateTime('now', new DateTimeZone('UTC'));
foreach (DateTimeZone::listIdentifiers() as $timezone) {
$now->setTimezone(new DateTimeZone($timezone));
$offsets[] = $offset = $now->getOffset();
$timezones[$timezone] = '(' . format_GMT_offset($offset) . ') ' . format_timezone_name($timezone);
}
array_multisort($offsets, $timezones);
}
return $timezones;
}
function format_GMT_offset($offset) {
$hours = intval($offset / 3600);
$minutes = abs(intval($offset % 3600 / 60));
return 'GMT' . ($offset ? sprintf('%+03d:%02d', $hours, $minutes) : '');
}
function format_timezone_name($name) {
$name = str_replace('/', ', ', $name);
$name = str_replace('_', ' ', $name);
$name = str_replace('St ', 'St. ', $name);
return $name;
}
$tzlist = timezone_list();
print_r($tzlist);
// Outputs the following (can change as and when the timezones are updated / created / removed):
/*
Array
(
[Pacific/Midway] => (GMT-11:00) Pacific, Midway
[Pacific/Niue] => (GMT-11:00) Pacific, Niue
[Pacific/Pago_Pago] => (GMT-11:00) Pacific, Pago Pago
[Pacific/Honolulu] => (GMT-10:00) Pacific, Honolulu
[Pacific/Johnston] => (GMT-10:00) Pacific, Johnston
[Pacific/Rarotonga] => (GMT-10:00) Pacific, Rarotonga
[Pacific/Tahiti] => (GMT-10:00) Pacific, Tahiti
[Pacific/Marquesas] => (GMT-09:30) Pacific, Marquesas
[America/Adak] => (GMT-09:00) America, Adak
[Pacific/Gambier] => (GMT-09:00) Pacific, Gambier
[America/Anchorage] => (GMT-08:00) America, Anchorage
[America/Juneau] => (GMT-08:00) America, Juneau
[America/Metlakatla] => (GMT-08:00) America, Metlakatla
[America/Nome] => (GMT-08:00) America, Nome
[America/Sitka] => (GMT-08:00) America, Sitka
[America/Yakutat] => (GMT-08:00) America, Yakutat
[Pacific/Pitcairn] => (GMT-08:00) Pacific, Pitcairn
[America/Creston] => (GMT-07:00) America, Creston
[America/Dawson] => (GMT-07:00) America, Dawson
[America/Dawson_Creek] => (GMT-07:00) America, Dawson Creek
[America/Fort_Nelson] => (GMT-07:00) America, Fort Nelson
[America/Hermosillo] => (GMT-07:00) America, Hermosillo
[America/Los_Angeles] => (GMT-07:00) America, Los Angeles
[America/Phoenix] => (GMT-07:00) America, Phoenix
[America/Santa_Isabel] => (GMT-07:00) America, Santa Isabel
[America/Tijuana] => (GMT-07:00) America, Tijuana
[America/Vancouver] => (GMT-07:00) America, Vancouver
[America/Whitehorse] => (GMT-07:00) America, Whitehorse
[America/Belize] => (GMT-06:00) America, Belize
[America/Boise] => (GMT-06:00) America, Boise
[America/Cambridge_Bay] => (GMT-06:00) America, Cambridge Bay
[America/Chihuahua] => (GMT-06:00) America, Chihuahua
[America/Costa_Rica] => (GMT-06:00) America, Costa Rica
[America/Denver] => (GMT-06:00) America, Denver
[America/Edmonton] => (GMT-06:00) America, Edmonton
[America/El_Salvador] => (GMT-06:00) America, El Salvador
[America/Guatemala] => (GMT-06:00) America, Guatemala
[America/Inuvik] => (GMT-06:00) America, Inuvik
[America/Managua] => (GMT-06:00) America, Managua
[America/Mazatlan] => (GMT-06:00) America, Mazatlan
[America/Ojinaga] => (GMT-06:00) America, Ojinaga
[America/Regina] => (GMT-06:00) America, Regina
[America/Swift_Current] => (GMT-06:00) America, Swift Current
[America/Tegucigalpa] => (GMT-06:00) America, Tegucigalpa
[America/Yellowknife] => (GMT-06:00) America, Yellowknife
[Pacific/Galapagos] => (GMT-06:00) Pacific, Galapagos
[America/Atikokan] => (GMT-05:00) America, Atikokan
[America/Bahia_Banderas] => (GMT-05:00) America, Bahia Banderas
[America/Bogota] => (GMT-05:00) America, Bogota
[America/Cancun] => (GMT-05:00) America, Cancun
[America/Chicago] => (GMT-05:00) America, Chicago
[America/Eirunepe] => (GMT-05:00) America, Eirunepe
[America/Guayaquil] => (GMT-05:00) America, Guayaquil
[America/Indiana/Knox] => (GMT-05:00) America, Indiana, Knox
[America/Indiana/Tell_City] => (GMT-05:00) America, Indiana, Tell City
[America/Jamaica] => (GMT-05:00) America, Jamaica
[America/Lima] => (GMT-05:00) America, Lima
[America/Matamoros] => (GMT-05:00) America, Matamoros
[America/Menominee] => (GMT-05:00) America, Menominee
[America/Merida] => (GMT-05:00) America, Merida
[America/Mexico_City] => (GMT-05:00) America, Mexico City
[America/Monterrey] => (GMT-05:00) America, Monterrey
[America/North_Dakota/Beulah] => (GMT-05:00) America, North Dakota, Beulah
[America/North_Dakota/Center] => (GMT-05:00) America, North Dakota, Center
[America/North_Dakota/New_Salem] => (GMT-05:00) America, North Dakota, New Salem
[America/Panama] => (GMT-05:00) America, Panama
[America/Rainy_River] => (GMT-05:00) America, Rainy River
[America/Rankin_Inlet] => (GMT-05:00) America, Rankin Inlet
[America/Resolute] => (GMT-05:00) America, Resolute
[America/Rio_Branco] => (GMT-05:00) America, Rio Branco
[America/Winnipeg] => (GMT-05:00) America, Winnipeg
[Pacific/Easter] => (GMT-05:00) Pacific, Easter
[America/Caracas] => (GMT-04:30) America, Caracas
[America/Anguilla] => (GMT-04:00) America, Anguilla
[America/Antigua] => (GMT-04:00) America, Antigua
[America/Aruba] => (GMT-04:00) America, Aruba
[America/Asuncion] => (GMT-04:00) America, Asuncion
[America/Barbados] => (GMT-04:00) America, Barbados
[America/Blanc-Sablon] => (GMT-04:00) America, Blanc-Sablon
[America/Boa_Vista] => (GMT-04:00) America, Boa Vista
[America/Campo_Grande] => (GMT-04:00) America, Campo Grande
[America/Cayman] => (GMT-04:00) America, Cayman
[America/Cuiaba] => (GMT-04:00) America, Cuiaba
[America/Curacao] => (GMT-04:00) America, Curacao
[America/Detroit] => (GMT-04:00) America, Detroit
[America/Dominica] => (GMT-04:00) America, Dominica
[America/Grand_Turk] => (GMT-04:00) America, Grand Turk
[America/Grenada] => (GMT-04:00) America, Grenada
[America/Guadeloupe] => (GMT-04:00) America, Guadeloupe
[America/Guyana] => (GMT-04:00) America, Guyana
[America/Havana] => (GMT-04:00) America, Havana
[America/Indiana/Indianapolis] => (GMT-04:00) America, Indiana, Indianapolis
[America/Indiana/Marengo] => (GMT-04:00) America, Indiana, Marengo
[America/Indiana/Petersburg] => (GMT-04:00) America, Indiana, Petersburg
[America/Indiana/Vevay] => (GMT-04:00) America, Indiana, Vevay
[America/Indiana/Vincennes] => (GMT-04:00) America, Indiana, Vincennes
[America/Indiana/Winamac] => (GMT-04:00) America, Indiana, Winamac
[America/Iqaluit] => (GMT-04:00) America, Iqaluit
[America/Kentucky/Louisville] => (GMT-04:00) America, Kentucky, Louisville
[America/Kentucky/Monticello] => (GMT-04:00) America, Kentucky, Monticello
[America/Kralendijk] => (GMT-04:00) America, Kralendijk
[America/La_Paz] => (GMT-04:00) America, La Paz
[America/Lower_Princes] => (GMT-04:00) America, Lower Princes
[America/Manaus] => (GMT-04:00) America, Manaus
[America/Marigot] => (GMT-04:00) America, Marigot
[America/Martinique] => (GMT-04:00) America, Martinique
[America/Montserrat] => (GMT-04:00) America, Montserrat
[America/Nassau] => (GMT-04:00) America, Nassau
[America/New_York] => (GMT-04:00) America, New York
[America/Nipigon] => (GMT-04:00) America, Nipigon
[America/Pangnirtung] => (GMT-04:00) America, Pangnirtung
[America/Port_of_Spain] => (GMT-04:00) America, Port of Spain
[America/Port-au-Prince] => (GMT-04:00) America, Port-au-Prince
[America/Porto_Velho] => (GMT-04:00) America, Porto Velho
[America/Puerto_Rico] => (GMT-04:00) America, Puerto Rico
[America/Santo_Domingo] => (GMT-04:00) America, Santo Domingo
[America/St_Barthelemy] => (GMT-04:00) America, St. Barthelemy
[America/St_Kitts] => (GMT-04:00) America, St. Kitts
[America/St_Lucia] => (GMT-04:00) America, St. Lucia
[America/St_Thomas] => (GMT-04:00) America, St. Thomas
[America/St_Vincent] => (GMT-04:00) America, St. Vincent
[America/Thunder_Bay] => (GMT-04:00) America, Thunder Bay
[America/Toronto] => (GMT-04:00) America, Toronto
[America/Tortola] => (GMT-04:00) America, Tortola
[America/Araguaina] => (GMT-03:00) America, Araguaina
[America/Argentina/Buenos_Aires] => (GMT-03:00) America, Argentina, Buenos Aires
[America/Argentina/Catamarca] => (GMT-03:00) America, Argentina, Catamarca
[America/Argentina/Cordoba] => (GMT-03:00) America, Argentina, Cordoba
[America/Argentina/Jujuy] => (GMT-03:00) America, Argentina, Jujuy
[America/Argentina/La_Rioja] => (GMT-03:00) America, Argentina, La Rioja
[America/Argentina/Mendoza] => (GMT-03:00) America, Argentina, Mendoza
[America/Argentina/Rio_Gallegos] => (GMT-03:00) America, Argentina, Rio Gallegos
[America/Argentina/Salta] => (GMT-03:00) America, Argentina, Salta
[America/Argentina/San_Juan] => (GMT-03:00) America, Argentina, San Juan
[America/Argentina/San_Luis] => (GMT-03:00) America, Argentina, San Luis
[America/Argentina/Tucuman] => (GMT-03:00) America, Argentina, Tucuman
[America/Argentina/Ushuaia] => (GMT-03:00) America, Argentina, Ushuaia
[America/Bahia] => (GMT-03:00) America, Bahia
[America/Belem] => (GMT-03:00) America, Belem
[America/Cayenne] => (GMT-03:00) America, Cayenne
[America/Fortaleza] => (GMT-03:00) America, Fortaleza
[America/Glace_Bay] => (GMT-03:00) America, Glace Bay
[America/Goose_Bay] => (GMT-03:00) America, Goose Bay
[America/Halifax] => (GMT-03:00) America, Halifax
[America/Maceio] => (GMT-03:00) America, Maceio
[America/Moncton] => (GMT-03:00) America, Moncton
[America/Montevideo] => (GMT-03:00) America, Montevideo
[America/Paramaribo] => (GMT-03:00) America, Paramaribo
[America/Recife] => (GMT-03:00) America, Recife
[America/Santarem] => (GMT-03:00) America, Santarem
[America/Santiago] => (GMT-03:00) America, Santiago
[America/Sao_Paulo] => (GMT-03:00) America, Sao Paulo
[America/Thule] => (GMT-03:00) America, Thule
[Antarctica/Palmer] => (GMT-03:00) Antarctica, Palmer
[Antarctica/Rothera] => (GMT-03:00) Antarctica, Rothera
[Atlantic/Bermuda] => (GMT-03:00) Atlantic, Bermuda
[Atlantic/Stanley] => (GMT-03:00) Atlantic, Stanley
[America/St_Johns] => (GMT-02:30) America, St. Johns
[America/Godthab] => (GMT-02:00) America, Godthab
[America/Miquelon] => (GMT-02:00) America, Miquelon
[America/Noronha] => (GMT-02:00) America, Noronha
[Atlantic/South_Georgia] => (GMT-02:00) Atlantic, South Georgia
[Atlantic/Cape_Verde] => (GMT-01:00) Atlantic, Cape Verde
[Africa/Abidjan] => (GMT) Africa, Abidjan
[Africa/Accra] => (GMT) Africa, Accra
[Africa/Bamako] => (GMT) Africa, Bamako
[Africa/Banjul] => (GMT) Africa, Banjul
[Africa/Bissau] => (GMT) Africa, Bissau
[Africa/Casablanca] => (GMT) Africa, Casablanca
[Africa/Conakry] => (GMT) Africa, Conakry
[Africa/Dakar] => (GMT) Africa, Dakar
[Africa/El_Aaiun] => (GMT) Africa, El Aaiun
[Africa/Freetown] => (GMT) Africa, Freetown
[Africa/Lome] => (GMT) Africa, Lome
[Africa/Monrovia] => (GMT) Africa, Monrovia
[Africa/Nouakchott] => (GMT) Africa, Nouakchott
[Africa/Ouagadougou] => (GMT) Africa, Ouagadougou
[Africa/Sao_Tome] => (GMT) Africa, Sao Tome
[America/Danmarkshavn] => (GMT) America, Danmarkshavn
[America/Scoresbysund] => (GMT) America, Scoresbysund
[Atlantic/Azores] => (GMT) Atlantic, Azores
[Atlantic/Reykjavik] => (GMT) Atlantic, Reykjavik
[Atlantic/St_Helena] => (GMT) Atlantic, St. Helena
[UTC] => (GMT) UTC
[Africa/Algiers] => (GMT+01:00) Africa, Algiers
[Africa/Bangui] => (GMT+01:00) Africa, Bangui
[Africa/Brazzaville] => (GMT+01:00) Africa, Brazzaville
[Africa/Douala] => (GMT+01:00) Africa, Douala
[Africa/Kinshasa] => (GMT+01:00) Africa, Kinshasa
[Africa/Lagos] => (GMT+01:00) Africa, Lagos
[Africa/Libreville] => (GMT+01:00) Africa, Libreville
[Africa/Luanda] => (GMT+01:00) Africa, Luanda
[Africa/Malabo] => (GMT+01:00) Africa, Malabo
[Africa/Ndjamena] => (GMT+01:00) Africa, Ndjamena
[Africa/Niamey] => (GMT+01:00) Africa, Niamey
[Africa/Porto-Novo] => (GMT+01:00) Africa, Porto-Novo
[Africa/Tunis] => (GMT+01:00) Africa, Tunis
[Africa/Windhoek] => (GMT+01:00) Africa, Windhoek
[Atlantic/Canary] => (GMT+01:00) Atlantic, Canary
[Atlantic/Faroe] => (GMT+01:00) Atlantic, Faroe
[Atlantic/Madeira] => (GMT+01:00) Atlantic, Madeira
[Europe/Dublin] => (GMT+01:00) Europe, Dublin
[Europe/Guernsey] => (GMT+01:00) Europe, Guernsey
[Europe/Isle_of_Man] => (GMT+01:00) Europe, Isle of Man
[Europe/Jersey] => (GMT+01:00) Europe, Jersey
[Europe/Lisbon] => (GMT+01:00) Europe, Lisbon
[Europe/London] => (GMT+01:00) Europe, London
[Africa/Blantyre] => (GMT+02:00) Africa, Blantyre
[Africa/Bujumbura] => (GMT+02:00) Africa, Bujumbura
[Africa/Cairo] => (GMT+02:00) Africa, Cairo
[Africa/Ceuta] => (GMT+02:00) Africa, Ceuta
[Africa/Gaborone] => (GMT+02:00) Africa, Gaborone
[Africa/Harare] => (GMT+02:00) Africa, Harare
[Africa/Johannesburg] => (GMT+02:00) Africa, Johannesburg
[Africa/Kigali] => (GMT+02:00) Africa, Kigali
[Africa/Lubumbashi] => (GMT+02:00) Africa, Lubumbashi
[Africa/Lusaka] => (GMT+02:00) Africa, Lusaka
[Africa/Maputo] => (GMT+02:00) Africa, Maputo
[Africa/Maseru] => (GMT+02:00) Africa, Maseru
[Africa/Mbabane] => (GMT+02:00) Africa, Mbabane
[Africa/Tripoli] => (GMT+02:00) Africa, Tripoli
[Antarctica/Troll] => (GMT+02:00) Antarctica, Troll
[Arctic/Longyearbyen] => (GMT+02:00) Arctic, Longyearbyen
[Europe/Amsterdam] => (GMT+02:00) Europe, Amsterdam
[Europe/Andorra] => (GMT+02:00) Europe, Andorra
[Europe/Belgrade] => (GMT+02:00) Europe, Belgrade
[Europe/Berlin] => (GMT+02:00) Europe, Berlin
[Europe/Bratislava] => (GMT+02:00) Europe, Bratislava
[Europe/Brussels] => (GMT+02:00) Europe, Brussels
[Europe/Budapest] => (GMT+02:00) Europe, Budapest
[Europe/Busingen] => (GMT+02:00) Europe, Busingen
[Europe/Copenhagen] => (GMT+02:00) Europe, Copenhagen
[Europe/Gibraltar] => (GMT+02:00) Europe, Gibraltar
[Europe/Kaliningrad] => (GMT+02:00) Europe, Kaliningrad
[Europe/Ljubljana] => (GMT+02:00) Europe, Ljubljana
[Europe/Luxembourg] => (GMT+02:00) Europe, Luxembourg
[Europe/Madrid] => (GMT+02:00) Europe, Madrid
[Europe/Malta] => (GMT+02:00) Europe, Malta
[Europe/Monaco] => (GMT+02:00) Europe, Monaco
[Europe/Oslo] => (GMT+02:00) Europe, Oslo
[Europe/Paris] => (GMT+02:00) Europe, Paris
[Europe/Podgorica] => (GMT+02:00) Europe, Podgorica
[Europe/Prague] => (GMT+02:00) Europe, Prague
[Europe/Rome] => (GMT+02:00) Europe, Rome
[Europe/San_Marino] => (GMT+02:00) Europe, San Marino
[Europe/Sarajevo] => (GMT+02:00) Europe, Sarajevo
[Europe/Skopje] => (GMT+02:00) Europe, Skopje
[Europe/Stockholm] => (GMT+02:00) Europe, Stockholm
[Europe/Tirane] => (GMT+02:00) Europe, Tirane
[Europe/Vaduz] => (GMT+02:00) Europe, Vaduz
[Europe/Vatican] => (GMT+02:00) Europe, Vatican
[Europe/Vienna] => (GMT+02:00) Europe, Vienna
[Europe/Warsaw] => (GMT+02:00) Europe, Warsaw
[Europe/Zagreb] => (GMT+02:00) Europe, Zagreb
[Europe/Zurich] => (GMT+02:00) Europe, Zurich
[Africa/Addis_Ababa] => (GMT+03:00) Africa, Addis Ababa
[Africa/Asmara] => (GMT+03:00) Africa, Asmara
[Africa/Dar_es_Salaam] => (GMT+03:00) Africa, Dar es Salaam
[Africa/Djibouti] => (GMT+03:00) Africa, Djibouti
[Africa/Juba] => (GMT+03:00) Africa, Juba
[Africa/Kampala] => (GMT+03:00) Africa, Kampala
[Africa/Khartoum] => (GMT+03:00) Africa, Khartoum
[Africa/Mogadishu] => (GMT+03:00) Africa, Mogadishu
[Africa/Nairobi] => (GMT+03:00) Africa, Nairobi
[Antarctica/Syowa] => (GMT+03:00) Antarctica, Syowa
[Asia/Aden] => (GMT+03:00) Asia, Aden
[Asia/Amman] => (GMT+03:00) Asia, Amman
[Asia/Baghdad] => (GMT+03:00) Asia, Baghdad
[Asia/Bahrain] => (GMT+03:00) Asia, Bahrain
[Asia/Beirut] => (GMT+03:00) Asia, Beirut
[Asia/Damascus] => (GMT+03:00) Asia, Damascus
[Asia/Gaza] => (GMT+03:00) Asia, Gaza
[Asia/Hebron] => (GMT+03:00) Asia, Hebron
[Asia/Jerusalem] => (GMT+03:00) Asia, Jerusalem
[Asia/Kuwait] => (GMT+03:00) Asia, Kuwait
[Asia/Nicosia] => (GMT+03:00) Asia, Nicosia
[Asia/Qatar] => (GMT+03:00) Asia, Qatar
[Asia/Riyadh] => (GMT+03:00) Asia, Riyadh
[Europe/Athens] => (GMT+03:00) Europe, Athens
[Europe/Bucharest] => (GMT+03:00) Europe, Bucharest
[Europe/Chisinau] => (GMT+03:00) Europe, Chisinau
[Europe/Helsinki] => (GMT+03:00) Europe, Helsinki
[Europe/Istanbul] => (GMT+03:00) Europe, Istanbul
[Europe/Kiev] => (GMT+03:00) Europe, Kiev
[Europe/Mariehamn] => (GMT+03:00) Europe, Mariehamn
[Europe/Minsk] => (GMT+03:00) Europe, Minsk
[Europe/Moscow] => (GMT+03:00) Europe, Moscow
[Europe/Riga] => (GMT+03:00) Europe, Riga
[Europe/Simferopol] => (GMT+03:00) Europe, Simferopol
[Europe/Sofia] => (GMT+03:00) Europe, Sofia
[Europe/Tallinn] => (GMT+03:00) Europe, Tallinn
[Europe/Uzhgorod] => (GMT+03:00) Europe, Uzhgorod
[Europe/Vilnius] => (GMT+03:00) Europe, Vilnius
[Europe/Volgograd] => (GMT+03:00) Europe, Volgograd
[Europe/Zaporozhye] => (GMT+03:00) Europe, Zaporozhye
[Indian/Antananarivo] => (GMT+03:00) Indian, Antananarivo
[Indian/Comoro] => (GMT+03:00) Indian, Comoro
[Indian/Mayotte] => (GMT+03:00) Indian, Mayotte
[Asia/Dubai] => (GMT+04:00) Asia, Dubai
[Asia/Muscat] => (GMT+04:00) Asia, Muscat
[Asia/Tbilisi] => (GMT+04:00) Asia, Tbilisi
[Asia/Yerevan] => (GMT+04:00) Asia, Yerevan
[Europe/Samara] => (GMT+04:00) Europe, Samara
[Indian/Mahe] => (GMT+04:00) Indian, Mahe
[Indian/Mauritius] => (GMT+04:00) Indian, Mauritius
[Indian/Reunion] => (GMT+04:00) Indian, Reunion
[Asia/Kabul] => (GMT+04:30) Asia, Kabul
[Asia/Tehran] => (GMT+04:30) Asia, Tehran
[Antarctica/Mawson] => (GMT+05:00) Antarctica, Mawson
[Asia/Aqtau] => (GMT+05:00) Asia, Aqtau
[Asia/Aqtobe] => (GMT+05:00) Asia, Aqtobe
[Asia/Ashgabat] => (GMT+05:00) Asia, Ashgabat
[Asia/Baku] => (GMT+05:00) Asia, Baku
[Asia/Dushanbe] => (GMT+05:00) Asia, Dushanbe
[Asia/Karachi] => (GMT+05:00) Asia, Karachi
[Asia/Oral] => (GMT+05:00) Asia, Oral
[Asia/Samarkand] => (GMT+05:00) Asia, Samarkand
[Asia/Tashkent] => (GMT+05:00) Asia, Tashkent
[Asia/Yekaterinburg] => (GMT+05:00) Asia, Yekaterinburg
[Indian/Kerguelen] => (GMT+05:00) Indian, Kerguelen
[Indian/Maldives] => (GMT+05:00) Indian, Maldives
[Asia/Colombo] => (GMT+05:30) Asia, Colombo
[Asia/Kolkata] => (GMT+05:30) Asia, Kolkata
[Asia/Kathmandu] => (GMT+05:45) Asia, Kathmandu
[Antarctica/Vostok] => (GMT+06:00) Antarctica, Vostok
[Asia/Almaty] => (GMT+06:00) Asia, Almaty
[Asia/Bishkek] => (GMT+06:00) Asia, Bishkek
[Asia/Dhaka] => (GMT+06:00) Asia, Dhaka
[Asia/Novosibirsk] => (GMT+06:00) Asia, Novosibirsk
[Asia/Omsk] => (GMT+06:00) Asia, Omsk
[Asia/Qyzylorda] => (GMT+06:00) Asia, Qyzylorda
[Asia/Thimphu] => (GMT+06:00) Asia, Thimphu
[Asia/Urumqi] => (GMT+06:00) Asia, Urumqi
[Indian/Chagos] => (GMT+06:00) Indian, Chagos
[Asia/Rangoon] => (GMT+06:30) Asia, Rangoon
[Indian/Cocos] => (GMT+06:30) Indian, Cocos
[Antarctica/Davis] => (GMT+07:00) Antarctica, Davis
[Asia/Bangkok] => (GMT+07:00) Asia, Bangkok
[Asia/Ho_Chi_Minh] => (GMT+07:00) Asia, Ho Chi Minh
[Asia/Jakarta] => (GMT+07:00) Asia, Jakarta
[Asia/Krasnoyarsk] => (GMT+07:00) Asia, Krasnoyarsk
[Asia/Novokuznetsk] => (GMT+07:00) Asia, Novokuznetsk
[Asia/Phnom_Penh] => (GMT+07:00) Asia, Phnom Penh
[Asia/Pontianak] => (GMT+07:00) Asia, Pontianak
[Asia/Vientiane] => (GMT+07:00) Asia, Vientiane
[Indian/Christmas] => (GMT+07:00) Indian, Christmas
[Antarctica/Casey] => (GMT+08:00) Antarctica, Casey
[Asia/Brunei] => (GMT+08:00) Asia, Brunei
[Asia/Chita] => (GMT+08:00) Asia, Chita
[Asia/Hong_Kong] => (GMT+08:00) Asia, Hong Kong
[Asia/Hovd] => (GMT+08:00) Asia, Hovd
[Asia/Irkutsk] => (GMT+08:00) Asia, Irkutsk
[Asia/Kuala_Lumpur] => (GMT+08:00) Asia, Kuala Lumpur
[Asia/Kuching] => (GMT+08:00) Asia, Kuching
[Asia/Macau] => (GMT+08:00) Asia, Macau
[Asia/Makassar] => (GMT+08:00) Asia, Makassar
[Asia/Manila] => (GMT+08:00) Asia, Manila
[Asia/Shanghai] => (GMT+08:00) Asia, Shanghai
[Asia/Singapore] => (GMT+08:00) Asia, Singapore
[Asia/Taipei] => (GMT+08:00) Asia, Taipei
[Australia/Perth] => (GMT+08:00) Australia, Perth
[Asia/Pyongyang] => (GMT+08:30) Asia, Pyongyang
[Australia/Eucla] => (GMT+08:45) Australia, Eucla
[Asia/Choibalsan] => (GMT+09:00) Asia, Choibalsan
[Asia/Dili] => (GMT+09:00) Asia, Dili
[Asia/Jayapura] => (GMT+09:00) Asia, Jayapura
[Asia/Khandyga] => (GMT+09:00) Asia, Khandyga
[Asia/Seoul] => (GMT+09:00) Asia, Seoul
[Asia/Tokyo] => (GMT+09:00) Asia, Tokyo
[Asia/Ulaanbaatar] => (GMT+09:00) Asia, Ulaanbaatar
[Asia/Yakutsk] => (GMT+09:00) Asia, Yakutsk
[Pacific/Palau] => (GMT+09:00) Pacific, Palau
[Australia/Adelaide] => (GMT+09:30) Australia, Adelaide
[Australia/Broken_Hill] => (GMT+09:30) Australia, Broken Hill
[Australia/Darwin] => (GMT+09:30) Australia, Darwin
[Antarctica/DumontDUrville] => (GMT+10:00) Antarctica, DumontDUrville
[Asia/Magadan] => (GMT+10:00) Asia, Magadan
[Asia/Sakhalin] => (GMT+10:00) Asia, Sakhalin
[Asia/Ust-Nera] => (GMT+10:00) Asia, Ust-Nera
[Asia/Vladivostok] => (GMT+10:00) Asia, Vladivostok
[Australia/Brisbane] => (GMT+10:00) Australia, Brisbane
[Australia/Currie] => (GMT+10:00) Australia, Currie
[Australia/Hobart] => (GMT+10:00) Australia, Hobart
[Australia/Lindeman] => (GMT+10:00) Australia, Lindeman
[Australia/Melbourne] => (GMT+10:00) Australia, Melbourne
[Australia/Sydney] => (GMT+10:00) Australia, Sydney
[Pacific/Chuuk] => (GMT+10:00) Pacific, Chuuk
[Pacific/Guam] => (GMT+10:00) Pacific, Guam
[Pacific/Port_Moresby] => (GMT+10:00) Pacific, Port Moresby
[Pacific/Saipan] => (GMT+10:00) Pacific, Saipan
[Australia/Lord_Howe] => (GMT+10:30) Australia, Lord Howe
[Antarctica/Macquarie] => (GMT+11:00) Antarctica, Macquarie
[Asia/Srednekolymsk] => (GMT+11:00) Asia, Srednekolymsk
[Pacific/Bougainville] => (GMT+11:00) Pacific, Bougainville
[Pacific/Efate] => (GMT+11:00) Pacific, Efate
[Pacific/Guadalcanal] => (GMT+11:00) Pacific, Guadalcanal
[Pacific/Kosrae] => (GMT+11:00) Pacific, Kosrae
[Pacific/Norfolk] => (GMT+11:00) Pacific, Norfolk
[Pacific/Noumea] => (GMT+11:00) Pacific, Noumea
[Pacific/Pohnpei] => (GMT+11:00) Pacific, Pohnpei
[Antarctica/McMurdo] => (GMT+12:00) Antarctica, McMurdo
[Asia/Anadyr] => (GMT+12:00) Asia, Anadyr
[Asia/Kamchatka] => (GMT+12:00) Asia, Kamchatka
[Pacific/Auckland] => (GMT+12:00) Pacific, Auckland
[Pacific/Fiji] => (GMT+12:00) Pacific, Fiji
[Pacific/Funafuti] => (GMT+12:00) Pacific, Funafuti
[Pacific/Kwajalein] => (GMT+12:00) Pacific, Kwajalein
[Pacific/Majuro] => (GMT+12:00) Pacific, Majuro
[Pacific/Nauru] => (GMT+12:00) Pacific, Nauru
[Pacific/Tarawa] => (GMT+12:00) Pacific, Tarawa
[Pacific/Wake] => (GMT+12:00) Pacific, Wake
[Pacific/Wallis] => (GMT+12:00) Pacific, Wallis
[Pacific/Chatham] => (GMT+12:45) Pacific, Chatham
[Pacific/Apia] => (GMT+13:00) Pacific, Apia
[Pacific/Enderbury] => (GMT+13:00) Pacific, Enderbury
[Pacific/Fakaofo] => (GMT+13:00) Pacific, Fakaofo
[Pacific/Tongatapu] => (GMT+13:00) Pacific, Tongatapu
[Pacific/Kiritimati] => (GMT+14:00) Pacific, Kiritimati
)
*/
echo '<select name="timezone" class="form=control input-sm" id="timezone">';
foreach($tzlist as $key => $timezone) {
echo '<option value="'.$key.'">' . $timezone . '</option>';
}
echo "</select>";
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