List of timezones by country complete with time offset for php

timezones_by_country_complete.php

<?php
/**
 * Created by PhpStorm.
 * User: krisna
 * Date: 2019-05-01
 * Time: 10:17
 */


$timezones = array(
    "American Samoa" => "(GMT-11:00) American Samoa",
    "Midway Island" => "(GMT-11:00) Midway Island",
    "Hawaii" => "(GMT-10:00) Hawaii",
    "Alaska" => "(GMT-09:00) Alaska",
    "Pacific Time (US Canada)" => "(GMT-08:00) Pacific Time (US &amp; Canada)",
    "Tijuana" => "(GMT-08:00) Tijuana",
    "Arizona" => "(GMT-07:00) Arizona",
    "Chihuahua" => "(GMT-07:00) Chihuahua",
    "Mazatlan" => "(GMT-07:00) Mazatlan",
    "Mountain Time (US &amp; Canada)" => "(GMT-07:00) Mountain Time (US &amp; Canada)",
    "Central America" => "(GMT-06:00) Central America",
    "Central Time (US &amp; Canada)" => "(GMT-06:00) Central Time (US &amp; Canada)",
    "Guadalajara" => "(GMT-06:00) Guadalajara",
    "Mexico City" => "(GMT-06:00) Mexico City",
    "Monterrey" => "(GMT-06:00) Monterrey",
    "Saskatchewan" => "(GMT-06:00) Saskatchewan",
    "Bogota" => "(GMT-05:00) Bogota",
    "Eastern Time (US Canada)" => "(GMT-05:00) Eastern Time (US &amp; Canada)",
    "Indiana (East)" => "(GMT-05:00) Indiana (East)",
    "Lima" => "(GMT-05:00) Lima",
    "Quito" => "(GMT-05:00) Quito",
    "Atlantic Time (Canada)" => "(GMT-04:00) Atlantic Time (Canada)",
    "Caracas" => "(GMT-04:00) Caracas",
    "Georgetown" => "(GMT-04:00) Georgetown",
    "La Paz" => "(GMT-04:00) La Paz",
    "Puerto Rico" => "(GMT-04:00) Puerto Rico",
    "Santiago" => "(GMT-04:00) Santiago",
    "Newfoundland" => "(GMT-03:30) Newfoundland",
    "Brasilia" => "(GMT-03:00) Brasilia",
    "Buenos Aires" => "(GMT-03:00) Buenos Aires",
    "Greenland" => "(GMT-03:00) Greenland",
    "Montevideo" => "(GMT-03:00) Montevideo",
    "Mid-Atlantic" => "(GMT-02:00) Mid-Atlantic",
    "Azores" => "(GMT-01:00) Azores",
    "Cape Verde Is." => "(GMT-01:00) Cape Verde Is.",
    "Edinburgh" => "(GMT+00:00) Edinburgh",
    "Lisbon" => "(GMT+00:00) Lisbon",
    "London" => "(GMT+00:00) London",
    "Monrovia" => "(GMT+00:00) Monrovia",
    "UTC" => "(GMT+00:00) UTC",
    "Amsterdam" => "(GMT+01:00) Amsterdam",
    "Belgrade" => "(GMT+01:00) Belgrade",
    "Berlin" => "(GMT+01:00) Berlin",
    "Bern" => "(GMT+01:00) Bern",
    "Bratislava" => "(GMT+01:00) Bratislava",
    "Brussels" => "(GMT+01:00) Brussels",
    "Budapest" => "(GMT+01:00) Budapest",
    "Casablanca" => "(GMT+01:00) Casablanca",
    "Copenhagen" => "(GMT+01:00) Copenhagen",
    "Dublin" => "(GMT+01:00) Dublin",
    "Ljubljana" => "(GMT+01:00) Ljubljana",
    "Madrid" => "(GMT+01:00) Madrid",
    "Paris" => "(GMT+01:00) Paris",
    "Prague" => "(GMT+01:00) Prague",
    "Rome" => "(GMT+01:00) Rome",
    "Sarajevo" => "(GMT+01:00) Sarajevo",
    "Skopje" => "(GMT+01:00) Skopje",
    "Stockholm" => "(GMT+01:00) Stockholm",
    "Vienna" => "(GMT+01:00) Vienna",
    "Warsaw" => "(GMT+01:00) Warsaw",
    "West Central Africa" => "(GMT+01:00) West Central Africa",
    "Zagreb" => "(GMT+01:00) Zagreb",
    "Zurich" => "(GMT+01:00) Zurich",
    "Athens" => "(GMT+02:00) Athens",
    "Bucharest" => "(GMT+02:00) Bucharest",
    "Cairo" => "(GMT+02:00) Cairo",
    "Harare" => "(GMT+02:00) Harare",
    "Helsinki" => "(GMT+02:00) Helsinki",
    "Jerusalem" => "(GMT+02:00) Jerusalem",
    "Kaliningrad" => "(GMT+02:00) Kaliningrad",
    "Kyiv" => "(GMT+02:00) Kyiv",
    "Pretoria" => "(GMT+02:00) Pretoria",
    "Riga" => "(GMT+02:00) Riga",
    "Sofia" => "(GMT+02:00) Sofia",
    "Tallinn" => "(GMT+02:00) Tallinn",
    "Vilnius" => "(GMT+02:00) Vilnius",
    "Baghdad" => "(GMT+03:00) Baghdad",
    "Istanbul" => "(GMT+03:00) Istanbul",
    "Kuwait" => "(GMT+03:00) Kuwait",
    "Minsk" => "(GMT+03:00) Minsk",
    "Moscow" => "(GMT+03:00) Moscow",
    "Nairobi" => "(GMT+03:00) Nairobi",
    "Riyadh" => "(GMT+03:00) Riyadh",
    "St. Petersburg" => "(GMT+03:00) St. Petersburg",
    "Tehran" => "(GMT+03:30) Tehran",
    "Abu Dhabi" => "(GMT+04:00) Abu Dhabi",
    "Baku" => "(GMT+04:00) Baku",
    "Muscat" => "(GMT+04:00) Muscat",
    "Samara" => "(GMT+04:00) Samara",
    "Tbilisi" => "(GMT+04:00) Tbilisi",
    "Volgograd" => "(GMT+04:00) Volgograd",
    "Yerevan" => "(GMT+04:00) Yerevan",
    "Kabul" => "(GMT+04:30) Kabul",
    "Ekaterinburg" => "(GMT+05:00) Ekaterinburg",
    "Islamabad" => "(GMT+05:00) Islamabad",
    "Karachi" => "(GMT+05:00) Karachi",
    "Tashkent" => "(GMT+05:00) Tashkent",
    "Chennai" => "(GMT+05:30) Chennai",
    "Kolkata" => "(GMT+05:30) Kolkata",
    "Mumbai" => "(GMT+05:30) Mumbai",
    "New Delhi" => "(GMT+05:30) New Delhi",
    "Sri Jayawardenepura" => "(GMT+05:30) Sri Jayawardenepura",
    "Kathmandu" => "(GMT+05:45) Kathmandu",
    "Almaty" => "(GMT+06:00) Almaty",
    "Astana" => "(GMT+06:00) Astana",
    "Dhaka" => "(GMT+06:00) Dhaka",
    "Urumqi" => "(GMT+06:00) Urumqi",
    "Rangoon" => "(GMT+06:30) Rangoon",
    "Bangkok" => "(GMT+07:00) Bangkok",
    "Hanoi" => "(GMT+07:00) Hanoi",
    "Jakarta" => "(GMT+07:00) Jakarta",
    "Krasnoyarsk" => "(GMT+07:00) Krasnoyarsk",
    "Novosibirsk" => "(GMT+07:00) Novosibirsk",
    "Beijing" => "(GMT+08:00) Beijing",
    "Chongqing" => "(GMT+08:00) Chongqing",
    "Hong Kong" => "(GMT+08:00) Hong Kong",
    "Irkutsk" => "(GMT+08:00) Irkutsk",
    "Kuala Lumpur" => "(GMT+08:00) Kuala Lumpur",
    "Perth" => "(GMT+08:00) Perth",
    "Singapore" => "(GMT+08:00) Singapore",
    "Taipei" => "(GMT+08:00) Taipei",
    "Ulaanbaatar" => "(GMT+08:00) Ulaanbaatar",
    "Osaka" => "(GMT+09:00) Osaka",
    "Sapporo" => "(GMT+09:00) Sapporo",
    "Seoul" => "(GMT+09:00) Seoul",
    "Tokyo" => "(GMT+09:00) Tokyo",
    "Yakutsk" => "(GMT+09:00) Yakutsk",
    "Adelaide" => "(GMT+09:30) Adelaide",
    "Darwin" => "(GMT+09:30) Darwin",
    "Brisbane" => "(GMT+10:00) Brisbane",
    "Canberra" => "(GMT+10:00) Canberra",
    "Guam" => "(GMT+10:00) Guam",
    "Hobart" => "(GMT+10:00) Hobart",
    "Melbourne" => "(GMT+10:00) Melbourne",
    "Port Moresby" => "(GMT+10:00) Port Moresby",
    "Sydney" => "(GMT+10:00) Sydney",
    "Vladivostok" => "(GMT+10:00) Vladivostok",
    "Magadan" => "(GMT+11:00) Magadan",
    "New Caledonia" => "(GMT+11:00) New Caledonia",
    "Solomon Is." => "(GMT+11:00) Solomon Is.",
    "Srednekolymsk" => "(GMT+11:00) Srednekolymsk",
    "Auckland" => "(GMT+12:00) Auckland",
    "Fiji" => "(GMT+12:00) Fiji",
    "Kamchatka" => "(GMT+12:00) Kamchatka",
    "Marshall Is." => "(GMT+12:00) Marshall Is.",
    "Wellington" => "(GMT+12:00) Wellington",
    "Chatham Is." => "(GMT+12:45) Chatham Is.",
    "Nuku'alofa" => "(GMT+13:00) Nuku'alofa",
    "Samoa" => "GMT+13:00) Samoa",
    "Tokelau Is." => "GMT+13:00) Tokelau Is."
);