Rails TZ Map in JSON

railstz.json

{  
   "International Date Line West":"Pacific/Midway",
   "Midway Island":"Pacific/Midway",
   "American Samoa":"Pacific/Pago_Pago",
   "Hawaii":"Pacific/Honolulu",
   "Alaska":"America/Juneau",
   "Pacific Time (US & Canada)":"America/Los_Angeles",
   "Tijuana":"America/Tijuana",
   "Mountain Time (US & Canada)":"America/Denver",
   "Arizona":"America/Phoenix",
   "Chihuahua":"America/Chihuahua",
   "Mazatlan":"America/Mazatlan",
   "Central Time (US & Canada)":"America/Chicago",
   "Saskatchewan":"America/Regina",
   "Guadalajara":"America/Mexico_City",
   "Mexico City":"America/Mexico_City",
   "Monterrey":"America/Monterrey",
   "Central America":"America/Guatemala",
   "Eastern Time (US & Canada)":"America/New_York",
   "Indiana (East)":"America/Indiana/Indianapolis",
   "Bogota":"America/Bogota",
   "Lima":"America/Lima",
   "Quito":"America/Lima",
   "Atlantic Time (Canada)":"America/Halifax",
   "Caracas":"America/Caracas",
   "La Paz":"America/La_Paz",
   "Santiago":"America/Santiago",
   "Newfoundland":"America/St_Johns",
   "Brasilia":"America/Sao_Paulo",
   "Buenos Aires":"America/Argentina/Buenos_Aires",
   "Montevideo":"America/Montevideo",
   "Georgetown":"America/Guyana",
   "Greenland":"America/Godthab",
   "Mid-Atlantic":"Atlantic/South_Georgia",
   "Azores":"Atlantic/Azores",
   "Cape Verde Is.":"Atlantic/Cape_Verde",
   "Dublin":"Europe/Dublin",
   "Edinburgh":"Europe/London",
   "Lisbon":"Europe/Lisbon",
   "London":"Europe/London",
   "Casablanca":"Africa/Casablanca",
   "Monrovia":"Africa/Monrovia",
   "UTC":"Etc/UTC",
   "Belgrade":"Europe/Belgrade",
   "Bratislava":"Europe/Bratislava",
   "Budapest":"Europe/Budapest",
   "Ljubljana":"Europe/Ljubljana",
   "Prague":"Europe/Prague",
   "Sarajevo":"Europe/Sarajevo",
   "Skopje":"Europe/Skopje",
   "Warsaw":"Europe/Warsaw",
   "Zagreb":"Europe/Zagreb",
   "Brussels":"Europe/Brussels",
   "Copenhagen":"Europe/Copenhagen",
   "Madrid":"Europe/Madrid",
   "Paris":"Europe/Paris",
   "Amsterdam":"Europe/Amsterdam",
   "Berlin":"Europe/Berlin",
   "Bern":"Europe/Berlin",
   "Rome":"Europe/Rome",
   "Stockholm":"Europe/Stockholm",
   "Vienna":"Europe/Vienna",
   "West Central Africa":"Africa/Algiers",
   "Bucharest":"Europe/Bucharest",
   "Cairo":"Africa/Cairo",
   "Helsinki":"Europe/Helsinki",
   "Kyiv":"Europe/Kiev",
   "Riga":"Europe/Riga",
   "Sofia":"Europe/Sofia",
   "Tallinn":"Europe/Tallinn",
   "Vilnius":"Europe/Vilnius",
   "Athens":"Europe/Athens",
   "Istanbul":"Europe/Istanbul",
   "Minsk":"Europe/Minsk",
   "Jerusalem":"Asia/Jerusalem",
   "Harare":"Africa/Harare",
   "Pretoria":"Africa/Johannesburg",
   "Kaliningrad":"Europe/Kaliningrad",
   "Moscow":"Europe/Moscow",
   "St. Petersburg":"Europe/Moscow",
   "Volgograd":"Europe/Volgograd",
   "Samara":"Europe/Samara",
   "Kuwait":"Asia/Kuwait",
   "Riyadh":"Asia/Riyadh",
   "Nairobi":"Africa/Nairobi",
   "Baghdad":"Asia/Baghdad",
   "Tehran":"Asia/Tehran",
   "Abu Dhabi":"Asia/Muscat",
   "Muscat":"Asia/Muscat",
   "Baku":"Asia/Baku",
   "Tbilisi":"Asia/Tbilisi",
   "Yerevan":"Asia/Yerevan",
   "Kabul":"Asia/Kabul",
   "Ekaterinburg":"Asia/Yekaterinburg",
   "Islamabad":"Asia/Karachi",
   "Karachi":"Asia/Karachi",
   "Tashkent":"Asia/Tashkent",
   "Chennai":"Asia/Kolkata",
   "Kolkata":"Asia/Kolkata",
   "Mumbai":"Asia/Kolkata",
   "New Delhi":"Asia/Kolkata",
   "Kathmandu":"Asia/Kathmandu",
   "Astana":"Asia/Dhaka",
   "Dhaka":"Asia/Dhaka",
   "Sri Jayawardenepura":"Asia/Colombo",
   "Almaty":"Asia/Almaty",
   "Novosibirsk":"Asia/Novosibirsk",
   "Rangoon":"Asia/Rangoon",
   "Bangkok":"Asia/Bangkok",
   "Hanoi":"Asia/Bangkok",
   "Jakarta":"Asia/Jakarta",
   "Krasnoyarsk":"Asia/Krasnoyarsk",
   "Beijing":"Asia/Shanghai",
   "Chongqing":"Asia/Chongqing",
   "Hong Kong":"Asia/Hong_Kong",
   "Urumqi":"Asia/Urumqi",
   "Kuala Lumpur":"Asia/Kuala_Lumpur",
   "Singapore":"Asia/Singapore",
   "Taipei":"Asia/Taipei",
   "Perth":"Australia/Perth",
   "Irkutsk":"Asia/Irkutsk",
   "Ulaanbaatar":"Asia/Ulaanbaatar",
   "Seoul":"Asia/Seoul",
   "Osaka":"Asia/Tokyo",
   "Sapporo":"Asia/Tokyo",
   "Tokyo":"Asia/Tokyo",
   "Yakutsk":"Asia/Yakutsk",
   "Darwin":"Australia/Darwin",
   "Adelaide":"Australia/Adelaide",
   "Canberra":"Australia/Melbourne",
   "Melbourne":"Australia/Melbourne",
   "Sydney":"Australia/Sydney",
   "Brisbane":"Australia/Brisbane",
   "Hobart":"Australia/Hobart",
   "Vladivostok":"Asia/Vladivostok",
   "Guam":"Pacific/Guam",
   "Port Moresby":"Pacific/Port_Moresby",
   "Magadan":"Asia/Magadan",
   "Srednekolymsk":"Asia/Srednekolymsk",
   "Solomon Is.":"Pacific/Guadalcanal",
   "New Caledonia":"Pacific/Noumea",
   "Fiji":"Pacific/Fiji",
   "Kamchatka":"Asia/Kamchatka",
   "Marshall Is.":"Pacific/Majuro",
   "Auckland":"Pacific/Auckland",
   "Wellington":"Pacific/Auckland",
   "Nuku'alofa":"Pacific/Tongatapu",
   "Tokelau Is.":"Pacific/Fakaofo",
   "Chatham Is.":"Pacific/Chatham",
   "Samoa":"Pacific/Apia"
}