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Maps tz database time zone identifiers to Rails time zone identifiers
# blog post: http://blog.slashpoundbang.com/post/2613268281/changing-from-tz-database-identifiers-to-rails-friendly
{
"Australia/Adelaide" => "Adelaide",
"Australia/Broken_Hill" => "Adelaide",
"America/Anchorage" => "Alaska",
"America/Juneau" => "Alaska",
"America/Nome" => "Alaska",
"America/Yakutat" => "Alaska",
"Pacific/Gambier" => "Alaska",
"Asia/Almaty" => "Almaty",
"Europe/Amsterdam" => "Amsterdam",
"Europe/Athens" => "Athens",
"America/Anguilla" => "Atlantic Time (Canada)",
"America/Antigua" => "Atlantic Time (Canada)",
"America/Argentina/San_Luis" => "Atlantic Time (Canada)",
"America/Aruba" => "Atlantic Time (Canada)",
"America/Asuncion" => "Atlantic Time (Canada)",
"America/Barbados" => "Atlantic Time (Canada)",
"America/Blanc-Sablon" => "Atlantic Time (Canada)",
"America/Boa_Vista" => "Atlantic Time (Canada)",
"America/Campo_Grande" => "Atlantic Time (Canada)",
"America/Cuiaba" => "Atlantic Time (Canada)",
"America/Curacao" => "Atlantic Time (Canada)",
"America/Dominica" => "Atlantic Time (Canada)",
"America/Eirunepe" => "Atlantic Time (Canada)",
"America/Glace_Bay" => "Atlantic Time (Canada)",
"America/Goose_Bay" => "Atlantic Time (Canada)",
"America/Grenada" => "Atlantic Time (Canada)",
"America/Guadeloupe" => "Atlantic Time (Canada)",
"America/Guyana" => "Atlantic Time (Canada)",
"America/Halifax" => "Atlantic Time (Canada)",
"America/Manaus" => "Atlantic Time (Canada)",
"America/Marigot" => "Atlantic Time (Canada)",
"America/Martinique" => "Atlantic Time (Canada)",
"America/Moncton" => "Atlantic Time (Canada)",
"America/Montserrat" => "Atlantic Time (Canada)",
"America/Porto_Velho" => "Atlantic Time (Canada)",
"America/Port_of_Spain" => "Atlantic Time (Canada)",
"America/Puerto_Rico" => "Atlantic Time (Canada)",
"America/Rio_Branco" => "Atlantic Time (Canada)",
"America/Santo_Domingo" => "Atlantic Time (Canada)",
"America/St_Barthelemy" => "Atlantic Time (Canada)",
"America/St_Kitts" => "Atlantic Time (Canada)",
"America/St_Lucia" => "Atlantic Time (Canada)",
"America/St_Thomas" => "Atlantic Time (Canada)",
"America/St_Vincent" => "Atlantic Time (Canada)",
"America/Thule" => "Atlantic Time (Canada)",
"America/Tortola" => "Atlantic Time (Canada)",
"Antarctica/Palmer" => "Atlantic Time (Canada)",
"Atlantic/Bermuda" => "Atlantic Time (Canada)",
"Atlantic/Stanley" => "Atlantic Time (Canada)",
"Antarctica/McMurdo" => "Auckland",
"Antarctica/South_Pole" => "Auckland",
"Pacific/Auckland" => "Auckland",
"Pacific/Funafuti" => "Auckland",
"Pacific/Kwajalein" => "Auckland",
"Pacific/Majuro" => "Auckland",
"Pacific/Nauru" => "Auckland",
"Pacific/Tarawa" => "Auckland",
"Pacific/Wake" => "Auckland",
"Pacific/Wallis" => "Auckland",
"Atlantic/Azores" => "Azores",
"Asia/Baghdad" => "Baghdad",
"Asia/Baku" => "Baku",
"Asia/Dubai" => "Baku",
"Indian/Mahe" => "Baku",
"Indian/Mauritius" => "Baku",
"Indian/Reunion" => "Baku",
"Asia/Bangkok" => "Bangkok",
"Europe/Belgrade" => "Belgrade",
"Europe/Berlin" => "Berlin",
"America/Bogota" => "Bogota",
"Europe/Bratislava" => "Bratislava",
"Australia/Brisbane" => "Brisbane",
"Europe/Brussels" => "Brussels",
"Europe/Bucharest" => "Bucharest",
"Europe/Budapest" => "Budapest",
"America/Araguaina" => "Buenos Aires",
"America/Argentina/Buenos_Aires" => "Buenos Aires",
"America/Argentina/Catamarca" => "Buenos Aires",
"America/Argentina/Cordoba" => "Buenos Aires",
"America/Argentina/Jujuy" => "Buenos Aires",
"America/Argentina/La_Rioja" => "Buenos Aires",
"America/Argentina/Mendoza" => "Buenos Aires",
"America/Argentina/Rio_Gallegos" => "Buenos Aires",
"America/Argentina/Salta" => "Buenos Aires",
"America/Argentina/San_Juan" => "Buenos Aires",
"America/Argentina/Tucuman" => "Buenos Aires",
"America/Argentina/Ushuaia" => "Buenos Aires",
"America/Bahia" => "Buenos Aires",
"America/Belem" => "Buenos Aires",
"America/Cayenne" => "Buenos Aires",
"America/Fortaleza" => "Buenos Aires",
"America/Godthab" => "Buenos Aires",
"America/Maceio" => "Buenos Aires",
"America/Miquelon" => "Buenos Aires",
"America/Montevideo" => "Buenos Aires",
"America/Paramaribo" => "Buenos Aires",
"America/Recife" => "Buenos Aires",
"America/Santarem" => "Buenos Aires",
"America/Sao_Paulo" => "Buenos Aires",
"Antarctica/Rothera" => "Buenos Aires",
"Africa/Blantyre" => "Cairo",
"Africa/Bujumbura" => "Cairo",
"Africa/Cairo" => "Cairo",
"Africa/Gaborone" => "Cairo",
"Africa/Johannesburg" => "Cairo",
"Africa/Kigali" => "Cairo",
"Africa/Lubumbashi" => "Cairo",
"Africa/Lusaka" => "Cairo",
"Africa/Maputo" => "Cairo",
"Africa/Maseru" => "Cairo",
"Africa/Mbabane" => "Cairo",
"Africa/Tripoli" => "Cairo",
"Asia/Amman" => "Cairo",
"Asia/Beirut" => "Cairo",
"Asia/Damascus" => "Cairo",
"Asia/Gaza" => "Cairo",
"Asia/Nicosia" => "Cairo",
"Europe/Chisinau" => "Cairo",
"Europe/Kaliningrad" => "Cairo",
"Europe/Kiev" => "Cairo",
"Europe/Mariehamn" => "Cairo",
"Europe/Simferopol" => "Cairo",
"Europe/Uzhgorod" => "Cairo",
"Europe/Zaporozhye" => "Cairo",
"America/Scoresbysund" => "Cape Verde Is.",
"Atlantic/Cape_Verde" => "Cape Verde Is.",
"America/Caracas" => "Caracas",
"Africa/Casablanca" => "Casablanca",
"America/Belize" => "Central Time (US & Canada)",
"America/Cancun" => "Central Time (US & Canada)",
"America/Chicago" => "Central Time (US & Canada)",
"America/Costa_Rica" => "Central Time (US & Canada)",
"America/El_Salvador" => "Central Time (US & Canada)",
"America/Guatemala" => "Central Time (US & Canada)",
"America/Indiana/Knox" => "Central Time (US & Canada)",
"America/Indiana/Tell_City" => "Central Time (US & Canada)",
"America/Managua" => "Central Time (US & Canada)",
"America/Matamoros" => "Central Time (US & Canada)",
"America/Menominee" => "Central Time (US & Canada)",
"America/Merida" => "Central Time (US & Canada)",
"America/North_Dakota/Center" => "Central Time (US & Canada)",
"America/North_Dakota/New_Salem" => "Central Time (US & Canada)",
"America/Rainy_River" => "Central Time (US & Canada)",
"America/Rankin_Inlet" => "Central Time (US & Canada)",
"America/Regina" => "Central Time (US & Canada)",
"America/Swift_Current" => "Central Time (US & Canada)",
"America/Tegucigalpa" => "Central Time (US & Canada)",
"America/Winnipeg" => "Central Time (US & Canada)",
"Pacific/Easter" => "Central Time (US & Canada)",
"Pacific/Galapagos" => "Central Time (US & Canada)",
"America/Chihuahua" => "Chihuahua",
"Asia/Chongqing" => "Chongqing",
"Europe/Copenhagen" => "Copenhagen",
"Australia/Darwin" => "Darwin",
"Antarctica/Mawson" => "Dhaka",
"Asia/Bishkek" => "Dhaka",
"Asia/Dhaka" => "Dhaka",
"Asia/Karachi" => "Dhaka",
"Asia/Novokuznetsk" => "Dhaka",
"Asia/Omsk" => "Dhaka",
"Asia/Qyzylorda" => "Dhaka",
"Asia/Thimphu" => "Dhaka",
"Indian/Chagos" => "Dhaka",
"Europe/Dublin" => "Dublin",
"America/Atikokan" => "Eastern Time (US & Canada)",
"America/Cayman" => "Eastern Time (US & Canada)",
"America/Detroit" => "Eastern Time (US & Canada)",
"America/Grand_Turk" => "Eastern Time (US & Canada)",
"America/Guayaquil" => "Eastern Time (US & Canada)",
"America/Havana" => "Eastern Time (US & Canada)",
"America/Indiana/Indianapolis" => "Eastern Time (US & Canada)",
"America/Indiana/Marengo" => "Eastern Time (US & Canada)",
"America/Indiana/Petersburg" => "Eastern Time (US & Canada)",
"America/Indiana/Vevay" => "Eastern Time (US & Canada)",
"America/Indiana/Vincennes" => "Eastern Time (US & Canada)",
"America/Indiana/Winamac" => "Eastern Time (US & Canada)",
"America/Iqaluit" => "Eastern Time (US & Canada)",
"America/Jamaica" => "Eastern Time (US & Canada)",
"America/Kentucky/Louisville" => "Eastern Time (US & Canada)",
"America/Kentucky/Monticello" => "Eastern Time (US & Canada)",
"America/Montreal" => "Eastern Time (US & Canada)",
"America/Nassau" => "Eastern Time (US & Canada)",
"America/New_York" => "Eastern Time (US & Canada)",
"America/Nipigon" => "Eastern Time (US & Canada)",
"America/Panama" => "Eastern Time (US & Canada)",
"America/Pangnirtung" => "Eastern Time (US & Canada)",
"America/Port-au-Prince" => "Eastern Time (US & Canada)",
"America/Resolute" => "Eastern Time (US & Canada)",
"America/Thunder_Bay" => "Eastern Time (US & Canada)",
"America/Toronto" => "Eastern Time (US & Canada)",
"Pacific/Fiji" => "Fiji",
"Pacific/Guam" => "Guam",
"Africa/Harare" => "Harare",
"America/Adak" => "Hawaii",
"Pacific/Fakaofo" => "Hawaii",
"Pacific/Honolulu" => "Hawaii",
"Pacific/Johnston" => "Hawaii",
"Pacific/Rarotonga" => "Hawaii",
"Pacific/Tahiti" => "Hawaii",
"Europe/Helsinki" => "Helsinki",
"Australia/Hobart" => "Hobart",
"Antarctica/Casey" => "Hong Kong",
"Asia/Brunei" => "Hong Kong",
"Asia/Choibalsan" => "Hong Kong",
"Asia/Harbin" => "Hong Kong",
"Asia/Hong_Kong" => "Hong Kong",
"Asia/Kashgar" => "Hong Kong",
"Asia/Kuching" => "Hong Kong",
"Asia/Macau" => "Hong Kong",
"Asia/Makassar" => "Hong Kong",
"Asia/Manila" => "Hong Kong",
"Asia/Shanghai" => "Hong Kong",
"Asia/Ulaanbaatar" => "Hong Kong",
"Asia/Irkutsk" => "Irkutsk",
"Europe/Istanbul" => "Istanbul",
"Antarctica/Davis" => "Jakarta",
"Asia/Hovd" => "Jakarta",
"Asia/Ho_Chi_Minh" => "Jakarta",
"Asia/Jakarta" => "Jakarta",
"Asia/Phnom_Penh" => "Jakarta",
"Asia/Pontianak" => "Jakarta",
"Asia/Vientiane" => "Jakarta",
"Indian/Christmas" => "Jakarta",
"Asia/Jerusalem" => "Jerusalem",
"Asia/Kabul" => "Kabul",
"Asia/Kamchatka" => "Kamchatka",
"Asia/Aqtau" => "Karachi",
"Asia/Aqtobe" => "Karachi",
"Asia/Ashgabat" => "Karachi",
"Asia/Dushanbe" => "Karachi",
"Asia/Oral" => "Karachi",
"Asia/Samarkand" => "Karachi",
"Asia/Yekaterinburg" => "Karachi",
"Indian/Kerguelen" => "Karachi",
"Indian/Maldives" => "Karachi",
"Asia/Kathmandu" => "Kathmandu",
"Asia/Kolkata" => "Kolkata",
"Asia/Krasnoyarsk" => "Krasnoyarsk",
"Asia/Kuala_Lumpur" => "Kuala Lumpur",
"Asia/Kuwait" => "Kuwait",
"America/La_Paz" => "La Paz",
"America/Lima" => "Lima",
"Europe/Lisbon" => "Lisbon",
"Europe/Ljubljana" => "Ljubljana",
"Africa/Abidjan" => "London",
"Africa/Accra" => "London",
"Africa/Bamako" => "London",
"Africa/Banjul" => "London",
"Africa/Bissau" => "London",
"Africa/Conakry" => "London",
"Africa/Dakar" => "London",
"Africa/El_Aaiun" => "London",
"Africa/Freetown" => "London",
"Africa/Lome" => "London",
"Africa/Nouakchott" => "London",
"Africa/Ouagadougou" => "London",
"Africa/Sao_Tome" => "London",
"America/Danmarkshavn" => "London",
"Antarctica/Vostok" => "London",
"Atlantic/Canary" => "London",
"Atlantic/Faroe" => "London",
"Atlantic/Madeira" => "London",
"Atlantic/Reykjavik" => "London",
"Atlantic/St_Helena" => "London",
"Europe/Guernsey" => "London",
"Europe/Isle_of_Man" => "London",
"Europe/Jersey" => "London",
"Europe/London" => "London",
"Europe/Madrid" => "Madrid",
"Asia/Magadan" => "Magadan",
"America/Mazatlan" => "Mazatlan",
"Australia/Melbourne" => "Melbourne",
"America/Mexico_City" => "Mexico City",
"America/Noronha" => "Mid-Atlantic",
"Atlantic/South_Georgia" => "Mid-Atlantic",
"Europe/Minsk" => "Minsk",
"Africa/Monrovia" => "Monrovia",
"America/Monterrey" => "Monterrey",
"Africa/Addis_Ababa" => "Moscow",
"Africa/Asmara" => "Moscow",
"Africa/Dar_es_Salaam" => "Moscow",
"Africa/Djibouti" => "Moscow",
"Africa/Kampala" => "Moscow",
"Africa/Khartoum" => "Moscow",
"Africa/Mogadishu" => "Moscow",
"Antarctica/Syowa" => "Moscow",
"Asia/Aden" => "Moscow",
"Asia/Bahrain" => "Moscow",
"Asia/Qatar" => "Moscow",
"Europe/Moscow" => "Moscow",
"Europe/Samara" => "Moscow",
"Indian/Antananarivo" => "Moscow",
"Indian/Comoro" => "Moscow",
"Indian/Mayotte" => "Moscow",
"America/Boise" => "Mountain Time (US & Canada)",
"America/Cambridge_Bay" => "Mountain Time (US & Canada)",
"America/Dawson_Creek" => "Mountain Time (US & Canada)",
"America/Denver" => "Mountain Time (US & Canada)",
"America/Edmonton" => "Mountain Time (US & Canada)",
"America/Hermosillo" => "Mountain Time (US & Canada)",
"America/Inuvik" => "Mountain Time (US & Canada)",
"America/Ojinaga" => "Mountain Time (US & Canada)",
"America/Phoenix" => "Mountain Time (US & Canada)",
"America/Shiprock" => "Mountain Time (US & Canada)",
"America/Yellowknife" => "Mountain Time (US & Canada)",
"Asia/Colombo" => "Mumbai",
"Asia/Muscat" => "Muscat",
"Africa/Nairobi" => "Nairobi",
"America/St_Johns" => "Newfoundland",
"Asia/Novosibirsk" => "Novosibirsk",
"Pacific/Enderbury" => "Nuku'alofa",
"Pacific/Tongatapu" => "Nuku'alofa",
"America/Dawson" => "Pacific Time (US & Canada)",
"America/Los_Angeles" => "Pacific Time (US & Canada)",
"America/Santa_Isabel" => "Pacific Time (US & Canada)",
"America/Vancouver" => "Pacific Time (US & Canada)",
"America/Whitehorse" => "Pacific Time (US & Canada)",
"Pacific/Pitcairn" => "Pacific Time (US & Canada)",
"Africa/Algiers" => "West Central Africa",
"Africa/Bangui" => "West Central Africa",
"Africa/Brazzaville" => "West Central Africa",
"Africa/Ceuta" => "West Central Africa",
"Africa/Douala" => "West Central Africa",
"Africa/Kinshasa" => "West Central Africa",
"Africa/Lagos" => "West Central Africa",
"Africa/Libreville" => "West Central Africa",
"Africa/Luanda" => "West Central Africa",
"Africa/Malabo" => "West Central Africa",
"Africa/Ndjamena" => "West Central Africa",
"Africa/Niamey" => "West Central Africa",
"Africa/Porto-Novo" => "West Central Africa",
"Africa/Tunis" => "West Central Africa",
"Africa/Windhoek" => "West Central Africa",
"Arctic/Longyearbyen" => "Paris",
"Europe/Andorra" => "Paris",
"Europe/Gibraltar" => "Paris",
"Europe/Luxembourg" => "Paris",
"Europe/Malta" => "Paris",
"Europe/Monaco" => "Paris",
"Europe/Oslo" => "Paris",
"Europe/Paris" => "Paris",
"Europe/Podgorica" => "Paris",
"Europe/San_Marino" => "Paris",
"Europe/Tirane" => "Paris",
"Europe/Vaduz" => "Paris",
"Europe/Vatican" => "Paris",
"Europe/Zurich" => "Paris",
"Australia/Perth" => "Perth",
"Pacific/Port_Moresby" => "Port Moresby",
"Europe/Prague" => "Prague",
"Asia/Rangoon" => "Rangoon",
"Indian/Cocos" => "Rangoon",
"Europe/Riga" => "Riga",
"Asia/Riyadh" => "Riyadh",
"Europe/Rome" => "Rome",
"Pacific/Apia" => "Samoa",
"Pacific/Midway" => "Samoa",
"Pacific/Niue" => "Samoa",
"Pacific/Pago_Pago" => "Samoa",
"America/Santiago" => "Santiago",
"Europe/Sarajevo" => "Sarajevo",
"Asia/Seoul" => "Seoul",
"Asia/Singapore" => "Singapore",
"Europe/Skopje" => "Skopje",
"Europe/Sofia" => "Sofia",
"Asia/Anadyr" => "Solomon Is.",
"Pacific/Efate" => "Solomon Is.",
"Pacific/Guadalcanal" => "Solomon Is.",
"Pacific/Kosrae" => "Solomon Is.",
"Pacific/Noumea" => "Solomon Is.",
"Pacific/Ponape" => "Solomon Is.",
"Europe/Stockholm" => "Stockholm",
"Antarctica/DumontDUrville" => "Sydney",
"Asia/Sakhalin" => "Sydney",
"Australia/Currie" => "Sydney",
"Australia/Lindeman" => "Sydney",
"Australia/Sydney" => "Sydney",
"Pacific/Saipan" => "Sydney",
"Pacific/Truk" => "Sydney",
"Asia/Taipei" => "Taipei",
"Europe/Tallinn" => "Tallinn",
"Asia/Tashkent" => "Tashkent",
"Asia/Tbilisi" => "Tbilisi",
"Asia/Tehran" => "Tehran",
"America/Tijuana" => "Tijuana",
"Asia/Dili" => "Tokyo",
"Asia/Jayapura" => "Tokyo",
"Asia/Pyongyang" => "Tokyo",
"Asia/Tokyo" => "Tokyo",
"Pacific/Palau" => "Tokyo",
"Asia/Urumqi" => "Urumqi",
"Europe/Vienna" => "Vienna",
"Europe/Vilnius" => "Vilnius",
"Asia/Vladivostok" => "Vladivostok",
"Europe/Volgograd" => "Volgograd",
"Europe/Warsaw" => "Warsaw",
"Asia/Yakutsk" => "Yakutsk",
"Asia/Yerevan" => "Yerevan",
"Europe/Zagreb" => "Zagreb",
}
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@henrik henrik commented Aug 23, 2018

See the forked-from gist for some useful comments: https://gist.github.com/jpmckinney/767070

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