import React from 'react';
import MenuItem from '@material-ui/core/MenuItem';

export const TIME_ZONES = {
  "Africa/Abidjan": "GMT0",
  "Africa/Accra": "GMT0",
  "Africa/Addis_Ababa": "EAT-3",
  "Africa/Algiers": "CET-1",
  "Africa/Asmara": "EAT-3",
  "Africa/Bamako": "GMT0",
  "Africa/Bangui": "WAT-1",
  "Africa/Banjul": "GMT0",
  "Africa/Bissau": "GMT0",
  "Africa/Blantyre": "CAT-2",
  "Africa/Brazzaville": "WAT-1",
  "Africa/Bujumbura": "CAT-2",
  "Africa/Cairo": "EET-2",
  "Africa/Casablanca": "<+01>-1",
  "Africa/Ceuta": "CET-1CEST,M3.5.0,M10.5.0/3",
  "Africa/Conakry": "GMT0",
  "Africa/Dakar": "GMT0",
  "Africa/Dar_es_Salaam": "EAT-3",
  "Africa/Djibouti": "EAT-3",
  "Africa/Douala": "WAT-1",
  "Africa/El_Aaiun": "<+01>-1",
  "Africa/Freetown": "GMT0",
  "Africa/Gaborone": "CAT-2",
  "Africa/Harare": "CAT-2",
  "Africa/Johannesburg": "SAST-2",
  "Africa/Juba": "EAT-3",
  "Africa/Kampala": "EAT-3",
  "Africa/Khartoum": "CAT-2",
  "Africa/Kigali": "CAT-2",
  "Africa/Kinshasa": "WAT-1",
  "Africa/Lagos": "WAT-1",
  "Africa/Libreville": "WAT-1",
  "Africa/Lome": "GMT0",
  "Africa/Luanda": "WAT-1",
  "Africa/Lubumbashi": "CAT-2",
  "Africa/Lusaka": "CAT-2",
  "Africa/Malabo": "WAT-1",
  "Africa/Maputo": "CAT-2",
  "Africa/Maseru": "SAST-2",
  "Africa/Mbabane": "SAST-2",
  "Africa/Mogadishu": "EAT-3",
  "Africa/Monrovia": "GMT0",
  "Africa/Nairobi": "EAT-3",
  "Africa/Ndjamena": "WAT-1",
  "Africa/Niamey": "WAT-1",
  "Africa/Nouakchott": "GMT0",
  "Africa/Ouagadougou": "GMT0",
  "Africa/Porto-Novo": "WAT-1",
  "Africa/Sao_Tome": "GMT0",
  "Africa/Tripoli": "EET-2",
  "Africa/Tunis": "CET-1",
  "Africa/Windhoek": "CAT-2",
  "America/Adak": "HST10HDT,M3.2.0,M11.1.0",
  "America/Anchorage": "AKST9AKDT,M3.2.0,M11.1.0",
  "America/Anguilla": "AST4",
  "America/Antigua": "AST4",
  "America/Araguaina": "<-03>3",
  "America/Argentina/Buenos_Aires": "<-03>3",
  "America/Argentina/Catamarca": "<-03>3",
  "America/Argentina/Cordoba": "<-03>3",
  "America/Argentina/Jujuy": "<-03>3",
  "America/Argentina/La_Rioja": "<-03>3",
  "America/Argentina/Mendoza": "<-03>3",
  "America/Argentina/Rio_Gallegos": "<-03>3",
  "America/Argentina/Salta": "<-03>3",
  "America/Argentina/San_Juan": "<-03>3",
  "America/Argentina/San_Luis": "<-03>3",
  "America/Argentina/Tucuman": "<-03>3",
  "America/Argentina/Ushuaia": "<-03>3",
  "America/Aruba": "AST4",
  "America/Asuncion": "<-04>4<-03>,M10.1.0/0,M3.4.0/0",
  "America/Atikokan": "EST5",
  "America/Bahia": "<-03>3",
  "America/Bahia_Banderas": "CST6CDT,M4.1.0,M10.5.0",
  "America/Barbados": "AST4",
  "America/Belem": "<-03>3",
  "America/Belize": "CST6",
  "America/Blanc-Sablon": "AST4",
  "America/Boa_Vista": "<-04>4",
  "America/Bogota": "<-05>5",
  "America/Boise": "MST7MDT,M3.2.0,M11.1.0",
  "America/Cambridge_Bay": "MST7MDT,M3.2.0,M11.1.0",
  "America/Campo_Grande": "<-04>4",
  "America/Cancun": "EST5",
  "America/Caracas": "<-04>4",
  "America/Cayenne": "<-03>3",
  "America/Cayman": "EST5",
  "America/Chicago": "CST6CDT,M3.2.0,M11.1.0",
  "America/Chihuahua": "MST7MDT,M4.1.0,M10.5.0",
  "America/Costa_Rica": "CST6",
  "America/Creston": "MST7",
  "America/Cuiaba": "<-04>4",
  "America/Curacao": "AST4",
  "America/Danmarkshavn": "GMT0",
  "America/Dawson": "PST8PDT,M3.2.0,M11.1.0",
  "America/Dawson_Creek": "MST7",
  "America/Denver": "MST7MDT,M3.2.0,M11.1.0",
  "America/Detroit": "EST5EDT,M3.2.0,M11.1.0",
  "America/Dominica": "AST4",
  "America/Edmonton": "MST7MDT,M3.2.0,M11.1.0",
  "America/Eirunepe": "<-05>5",
  "America/El_Salvador": "CST6",
  "America/Fortaleza": "<-03>3",
  "America/Fort_Nelson": "MST7",
  "America/Glace_Bay": "AST4ADT,M3.2.0,M11.1.0",
  "America/Godthab": "<-03>3<-02>,M3.5.0/-2,M10.5.0/-1",
  "America/Goose_Bay": "AST4ADT,M3.2.0,M11.1.0",
  "America/Grand_Turk": "EST5EDT,M3.2.0,M11.1.0",
  "America/Grenada": "AST4",
  "America/Guadeloupe": "AST4",
  "America/Guatemala": "CST6",
  "America/Guayaquil": "<-05>5",
  "America/Guyana": "<-04>4",
  "America/Halifax": "AST4ADT,M3.2.0,M11.1.0",
  "America/Havana": "CST5CDT,M3.2.0/0,M11.1.0/1",
  "America/Hermosillo": "MST7",
  "America/Indiana/Indianapolis": "EST5EDT,M3.2.0,M11.1.0",
  "America/Indiana/Knox": "CST6CDT,M3.2.0,M11.1.0",
  "America/Indiana/Marengo": "EST5EDT,M3.2.0,M11.1.0",
  "America/Indiana/Petersburg": "EST5EDT,M3.2.0,M11.1.0",
  "America/Indiana/Tell_City": "CST6CDT,M3.2.0,M11.1.0",
  "America/Indiana/Vevay": "EST5EDT,M3.2.0,M11.1.0",
  "America/Indiana/Vincennes": "EST5EDT,M3.2.0,M11.1.0",
  "America/Indiana/Winamac": "EST5EDT,M3.2.0,M11.1.0",
  "America/Inuvik": "MST7MDT,M3.2.0,M11.1.0",
  "America/Iqaluit": "EST5EDT,M3.2.0,M11.1.0",
  "America/Jamaica": "EST5",
  "America/Juneau": "AKST9AKDT,M3.2.0,M11.1.0",
  "America/Kentucky/Louisville": "EST5EDT,M3.2.0,M11.1.0",
  "America/Kentucky/Monticello": "EST5EDT,M3.2.0,M11.1.0",
  "America/Kralendijk": "AST4",
  "America/La_Paz": "<-04>4",
  "America/Lima": "<-05>5",
  "America/Los_Angeles": "PST8PDT,M3.2.0,M11.1.0",
  "America/Lower_Princes": "AST4",
  "America/Maceio": "<-03>3",
  "America/Managua": "CST6",
  "America/Manaus": "<-04>4",
  "America/Marigot": "AST4",
  "America/Martinique": "AST4",
  "America/Matamoros": "CST6CDT,M3.2.0,M11.1.0",
  "America/Mazatlan": "MST7MDT,M4.1.0,M10.5.0",
  "America/Menominee": "CST6CDT,M3.2.0,M11.1.0",
  "America/Merida": "CST6CDT,M4.1.0,M10.5.0",
  "America/Metlakatla": "AKST9AKDT,M3.2.0,M11.1.0",
  "America/Mexico_City": "CST6CDT,M4.1.0,M10.5.0",
  "America/Miquelon": "<-03>3<-02>,M3.2.0,M11.1.0",
  "America/Moncton": "AST4ADT,M3.2.0,M11.1.0",
  "America/Monterrey": "CST6CDT,M4.1.0,M10.5.0",
  "America/Montevideo": "<-03>3",
  "America/Montreal": "EST5EDT,M3.2.0,M11.1.0",
  "America/Montserrat": "AST4",
  "America/Nassau": "EST5EDT,M3.2.0,M11.1.0",
  "America/New_York": "EST5EDT,M3.2.0,M11.1.0",
  "America/Nipigon": "EST5EDT,M3.2.0,M11.1.0",
  "America/Nome": "AKST9AKDT,M3.2.0,M11.1.0",
  "America/Noronha": "<-02>2",
  "America/North_Dakota/Beulah": "CST6CDT,M3.2.0,M11.1.0",
  "America/North_Dakota/Center": "CST6CDT,M3.2.0,M11.1.0",
  "America/North_Dakota/New_Salem": "CST6CDT,M3.2.0,M11.1.0",
  "America/Ojinaga": "MST7MDT,M3.2.0,M11.1.0",
  "America/Panama": "EST5",
  "America/Pangnirtung": "EST5EDT,M3.2.0,M11.1.0",
  "America/Paramaribo": "<-03>3",
  "America/Phoenix": "MST7",
  "America/Port-au-Prince": "EST5EDT,M3.2.0,M11.1.0",
  "America/Port_of_Spain": "AST4",
  "America/Porto_Velho": "<-04>4",
  "America/Puerto_Rico": "AST4",
  "America/Punta_Arenas": "<-03>3",
  "America/Rainy_River": "CST6CDT,M3.2.0,M11.1.0",
  "America/Rankin_Inlet": "CST6CDT,M3.2.0,M11.1.0",
  "America/Recife": "<-03>3",
  "America/Regina": "CST6",
  "America/Resolute": "CST6CDT,M3.2.0,M11.1.0",
  "America/Rio_Branco": "<-05>5",
  "America/Santarem": "<-03>3",
  "America/Santiago": "<-04>4<-03>,M9.1.6/24,M4.1.6/24",
  "America/Santo_Domingo": "AST4",
  "America/Sao_Paulo": "<-03>3",
  "America/Scoresbysund": "<-01>1<+00>,M3.5.0/0,M10.5.0/1",
  "America/Sitka": "AKST9AKDT,M3.2.0,M11.1.0",
  "America/St_Barthelemy": "AST4",
  "America/St_Johns": "NST3:30NDT,M3.2.0,M11.1.0",
  "America/St_Kitts": "AST4",
  "America/St_Lucia": "AST4",
  "America/St_Thomas": "AST4",
  "America/St_Vincent": "AST4",
  "America/Swift_Current": "CST6",
  "America/Tegucigalpa": "CST6",
  "America/Thule": "AST4ADT,M3.2.0,M11.1.0",
  "America/Thunder_Bay": "EST5EDT,M3.2.0,M11.1.0",
  "America/Tijuana": "PST8PDT,M3.2.0,M11.1.0",
  "America/Toronto": "EST5EDT,M3.2.0,M11.1.0",
  "America/Tortola": "AST4",
  "America/Vancouver": "PST8PDT,M3.2.0,M11.1.0",
  "America/Whitehorse": "PST8PDT,M3.2.0,M11.1.0",
  "America/Winnipeg": "CST6CDT,M3.2.0,M11.1.0",
  "America/Yakutat": "AKST9AKDT,M3.2.0,M11.1.0",
  "America/Yellowknife": "MST7MDT,M3.2.0,M11.1.0",
  "Antarctica/Casey": "<+08>-8",
  "Antarctica/Davis": "<+07>-7",
  "Antarctica/DumontDUrville": "<+10>-10",
  "Antarctica/Macquarie": "<+11>-11",
  "Antarctica/Mawson": "<+05>-5",
  "Antarctica/McMurdo": "NZST-12NZDT,M9.5.0,M4.1.0/3",
  "Antarctica/Palmer": "<-03>3",
  "Antarctica/Rothera": "<-03>3",
  "Antarctica/Syowa": "<+03>-3",
  "Antarctica/Troll": "<+00>0<+02>-2,M3.5.0/1,M10.5.0/3",
  "Antarctica/Vostok": "<+06>-6",
  "Arctic/Longyearbyen": "CET-1CEST,M3.5.0,M10.5.0/3",
  "Asia/Aden": "<+03>-3",
  "Asia/Almaty": "<+06>-6",
  "Asia/Amman": "EET-2EEST,M3.5.4/24,M10.5.5/1",
  "Asia/Anadyr": "<+12>-12",
  "Asia/Aqtau": "<+05>-5",
  "Asia/Aqtobe": "<+05>-5",
  "Asia/Ashgabat": "<+05>-5",
  "Asia/Atyrau": "<+05>-5",
  "Asia/Baghdad": "<+03>-3",
  "Asia/Bahrain": "<+03>-3",
  "Asia/Baku": "<+04>-4",
  "Asia/Bangkok": "<+07>-7",
  "Asia/Barnaul": "<+07>-7",
  "Asia/Beirut": "EET-2EEST,M3.5.0/0,M10.5.0/0",
  "Asia/Bishkek": "<+06>-6",
  "Asia/Brunei": "<+08>-8",
  "Asia/Chita": "<+09>-9",
  "Asia/Choibalsan": "<+08>-8",
  "Asia/Colombo": "<+0530>-5:30",
  "Asia/Damascus": "EET-2EEST,M3.5.5/0,M10.5.5/0",
  "Asia/Dhaka": "<+06>-6",
  "Asia/Dili": "<+09>-9",
  "Asia/Dubai": "<+04>-4",
  "Asia/Dushanbe": "<+05>-5",
  "Asia/Famagusta": "EET-2EEST,M3.5.0/3,M10.5.0/4",
  "Asia/Gaza": "EET-2EEST,M3.5.5/0,M10.5.6/1",
  "Asia/Hebron": "EET-2EEST,M3.5.5/0,M10.5.6/1",
  "Asia/Ho_Chi_Minh": "<+07>-7",
  "Asia/Hong_Kong": "HKT-8",
  "Asia/Hovd": "<+07>-7",
  "Asia/Irkutsk": "<+08>-8",
  "Asia/Jakarta": "WIB-7",
  "Asia/Jayapura": "WIT-9",
  "Asia/Jerusalem": "IST-2IDT,M3.4.4/26,M10.5.0",
  "Asia/Kabul": "<+0430>-4:30",
  "Asia/Kamchatka": "<+12>-12",
  "Asia/Karachi": "PKT-5",
  "Asia/Kathmandu": "<+0545>-5:45",
  "Asia/Khandyga": "<+09>-9",
  "Asia/Kolkata": "IST-5:30",
  "Asia/Krasnoyarsk": "<+07>-7",
  "Asia/Kuala_Lumpur": "<+08>-8",
  "Asia/Kuching": "<+08>-8",
  "Asia/Kuwait": "<+03>-3",
  "Asia/Macau": "CST-8",
  "Asia/Magadan": "<+11>-11",
  "Asia/Makassar": "WITA-8",
  "Asia/Manila": "PST-8",
  "Asia/Muscat": "<+04>-4",
  "Asia/Nicosia": "EET-2EEST,M3.5.0/3,M10.5.0/4",
  "Asia/Novokuznetsk": "<+07>-7",
  "Asia/Novosibirsk": "<+07>-7",
  "Asia/Omsk": "<+06>-6",
  "Asia/Oral": "<+05>-5",
  "Asia/Phnom_Penh": "<+07>-7",
  "Asia/Pontianak": "WIB-7",
  "Asia/Pyongyang": "KST-9",
  "Asia/Qatar": "<+03>-3",
  "Asia/Qyzylorda": "<+05>-5",
  "Asia/Riyadh": "<+03>-3",
  "Asia/Sakhalin": "<+11>-11",
  "Asia/Samarkand": "<+05>-5",
  "Asia/Seoul": "KST-9",
  "Asia/Shanghai": "CST-8",
  "Asia/Singapore": "<+08>-8",
  "Asia/Srednekolymsk": "<+11>-11",
  "Asia/Taipei": "CST-8",
  "Asia/Tashkent": "<+05>-5",
  "Asia/Tbilisi": "<+04>-4",
  "Asia/Tehran": "<+0330>-3:30<+0430>,J79/24,J263/24",
  "Asia/Thimphu": "<+06>-6",
  "Asia/Tokyo": "JST-9",
  "Asia/Tomsk": "<+07>-7",
  "Asia/Ulaanbaatar": "<+08>-8",
  "Asia/Urumqi": "<+06>-6",
  "Asia/Ust-Nera": "<+10>-10",
  "Asia/Vientiane": "<+07>-7",
  "Asia/Vladivostok": "<+10>-10",
  "Asia/Yakutsk": "<+09>-9",
  "Asia/Yangon": "<+0630>-6:30",
  "Asia/Yekaterinburg": "<+05>-5",
  "Asia/Yerevan": "<+04>-4",
  "Atlantic/Azores": "<-01>1<+00>,M3.5.0/0,M10.5.0/1",
  "Atlantic/Bermuda": "AST4ADT,M3.2.0,M11.1.0",
  "Atlantic/Canary": "WET0WEST,M3.5.0/1,M10.5.0",
  "Atlantic/Cape_Verde": "<-01>1",
  "Atlantic/Faroe": "WET0WEST,M3.5.0/1,M10.5.0",
  "Atlantic/Madeira": "WET0WEST,M3.5.0/1,M10.5.0",
  "Atlantic/Reykjavik": "GMT0",
  "Atlantic/South_Georgia": "<-02>2",
  "Atlantic/Stanley": "<-03>3",
  "Atlantic/St_Helena": "GMT0",
  "Australia/Adelaide": "ACST-9:30ACDT,M10.1.0,M4.1.0/3",
  "Australia/Brisbane": "AEST-10",
  "Australia/Broken_Hill": "ACST-9:30ACDT,M10.1.0,M4.1.0/3",
  "Australia/Currie": "AEST-10AEDT,M10.1.0,M4.1.0/3",
  "Australia/Darwin": "ACST-9:30",
  "Australia/Eucla": "<+0845>-8:45",
  "Australia/Hobart": "AEST-10AEDT,M10.1.0,M4.1.0/3",
  "Australia/Lindeman": "AEST-10",
  "Australia/Lord_Howe": "<+1030>-10:30<+11>-11,M10.1.0,M4.1.0",
  "Australia/Melbourne": "AEST-10AEDT,M10.1.0,M4.1.0/3",
  "Australia/Perth": "AWST-8",
  "Australia/Sydney": "AEST-10AEDT,M10.1.0,M4.1.0/3",
  "Europe/Amsterdam": "CET-1CEST,M3.5.0,M10.5.0/3",
  "Europe/Andorra": "CET-1CEST,M3.5.0,M10.5.0/3",
  "Europe/Astrakhan": "<+04>-4",
  "Europe/Athens": "EET-2EEST,M3.5.0/3,M10.5.0/4",
  "Europe/Belgrade": "CET-1CEST,M3.5.0,M10.5.0/3",
  "Europe/Berlin": "CET-1CEST,M3.5.0,M10.5.0/3",
  "Europe/Bratislava": "CET-1CEST,M3.5.0,M10.5.0/3",
  "Europe/Brussels": "CET-1CEST,M3.5.0,M10.5.0/3",
  "Europe/Bucharest": "EET-2EEST,M3.5.0/3,M10.5.0/4",
  "Europe/Budapest": "CET-1CEST,M3.5.0,M10.5.0/3",
  "Europe/Busingen": "CET-1CEST,M3.5.0,M10.5.0/3",
  "Europe/Chisinau": "EET-2EEST,M3.5.0,M10.5.0/3",
  "Europe/Copenhagen": "CET-1CEST,M3.5.0,M10.5.0/3",
  "Europe/Dublin": "IST-1GMT0,M10.5.0,M3.5.0/1",
  "Europe/Gibraltar": "CET-1CEST,M3.5.0,M10.5.0/3",
  "Europe/Guernsey": "GMT0BST,M3.5.0/1,M10.5.0",
  "Europe/Helsinki": "EET-2EEST,M3.5.0/3,M10.5.0/4",
  "Europe/Isle_of_Man": "GMT0BST,M3.5.0/1,M10.5.0",
  "Europe/Istanbul": "<+03>-3",
  "Europe/Jersey": "GMT0BST,M3.5.0/1,M10.5.0",
  "Europe/Kaliningrad": "EET-2",
  "Europe/Kiev": "EET-2EEST,M3.5.0/3,M10.5.0/4",
  "Europe/Kirov": "<+03>-3",
  "Europe/Lisbon": "WET0WEST,M3.5.0/1,M10.5.0",
  "Europe/Ljubljana": "CET-1CEST,M3.5.0,M10.5.0/3",
  "Europe/London": "GMT0BST,M3.5.0/1,M10.5.0",
  "Europe/Luxembourg": "CET-1CEST,M3.5.0,M10.5.0/3",
  "Europe/Madrid": "CET-1CEST,M3.5.0,M10.5.0/3",
  "Europe/Malta": "CET-1CEST,M3.5.0,M10.5.0/3",
  "Europe/Mariehamn": "EET-2EEST,M3.5.0/3,M10.5.0/4",
  "Europe/Minsk": "<+03>-3",
  "Europe/Monaco": "CET-1CEST,M3.5.0,M10.5.0/3",
  "Europe/Moscow": "MSK-3",
  "Europe/Oslo": "CET-1CEST,M3.5.0,M10.5.0/3",
  "Europe/Paris": "CET-1CEST,M3.5.0,M10.5.0/3",
  "Europe/Podgorica": "CET-1CEST,M3.5.0,M10.5.0/3",
  "Europe/Prague": "CET-1CEST,M3.5.0,M10.5.0/3",
  "Europe/Riga": "EET-2EEST,M3.5.0/3,M10.5.0/4",
  "Europe/Rome": "CET-1CEST,M3.5.0,M10.5.0/3",
  "Europe/Samara": "<+04>-4",
  "Europe/San_Marino": "CET-1CEST,M3.5.0,M10.5.0/3",
  "Europe/Sarajevo": "CET-1CEST,M3.5.0,M10.5.0/3",
  "Europe/Saratov": "<+04>-4",
  "Europe/Simferopol": "MSK-3",
  "Europe/Skopje": "CET-1CEST,M3.5.0,M10.5.0/3",
  "Europe/Sofia": "EET-2EEST,M3.5.0/3,M10.5.0/4",
  "Europe/Stockholm": "CET-1CEST,M3.5.0,M10.5.0/3",
  "Europe/Tallinn": "EET-2EEST,M3.5.0/3,M10.5.0/4",
  "Europe/Tirane": "CET-1CEST,M3.5.0,M10.5.0/3",
  "Europe/Ulyanovsk": "<+04>-4",
  "Europe/Uzhgorod": "EET-2EEST,M3.5.0/3,M10.5.0/4",
  "Europe/Vaduz": "CET-1CEST,M3.5.0,M10.5.0/3",
  "Europe/Vatican": "CET-1CEST,M3.5.0,M10.5.0/3",
  "Europe/Vienna": "CET-1CEST,M3.5.0,M10.5.0/3",
  "Europe/Vilnius": "EET-2EEST,M3.5.0/3,M10.5.0/4",
  "Europe/Volgograd": "<+04>-4",
  "Europe/Warsaw": "CET-1CEST,M3.5.0,M10.5.0/3",
  "Europe/Zagreb": "CET-1CEST,M3.5.0,M10.5.0/3",
  "Europe/Zaporozhye": "EET-2EEST,M3.5.0/3,M10.5.0/4",
  "Europe/Zurich": "CET-1CEST,M3.5.0,M10.5.0/3",
  "Indian/Antananarivo": "EAT-3",
  "Indian/Chagos": "<+06>-6",
  "Indian/Christmas": "<+07>-7",
  "Indian/Cocos": "<+0630>-6:30",
  "Indian/Comoro": "EAT-3",
  "Indian/Kerguelen": "<+05>-5",
  "Indian/Mahe": "<+04>-4",
  "Indian/Maldives": "<+05>-5",
  "Indian/Mauritius": "<+04>-4",
  "Indian/Mayotte": "EAT-3",
  "Indian/Reunion": "<+04>-4",
  "Pacific/Apia": "<+13>-13<+14>,M9.5.0/3,M4.1.0/4",
  "Pacific/Auckland": "NZST-12NZDT,M9.5.0,M4.1.0/3",
  "Pacific/Bougainville": "<+11>-11",
  "Pacific/Chatham": "<+1245>-12:45<+1345>,M9.5.0/2:45,M4.1.0/3:45",
  "Pacific/Chuuk": "<+10>-10",
  "Pacific/Easter": "<-06>6<-05>,M9.1.6/22,M4.1.6/22",
  "Pacific/Efate": "<+11>-11",
  "Pacific/Enderbury": "<+13>-13",
  "Pacific/Fakaofo": "<+13>-13",
  "Pacific/Fiji": "<+12>-12<+13>,M11.2.0,M1.2.3/99",
  "Pacific/Funafuti": "<+12>-12",
  "Pacific/Galapagos": "<-06>6",
  "Pacific/Gambier": "<-09>9",
  "Pacific/Guadalcanal": "<+11>-11",
  "Pacific/Guam": "ChST-10",
  "Pacific/Honolulu": "HST10",
  "Pacific/Kiritimati": "<+14>-14",
  "Pacific/Kosrae": "<+11>-11",
  "Pacific/Kwajalein": "<+12>-12",
  "Pacific/Majuro": "<+12>-12",
  "Pacific/Marquesas": "<-0930>9:30",
  "Pacific/Midway": "SST11",
  "Pacific/Nauru": "<+12>-12",
  "Pacific/Niue": "<-11>11",
  "Pacific/Norfolk": "<+11>-11<+12>,M10.1.0,M4.1.0/3",
  "Pacific/Noumea": "<+11>-11",
  "Pacific/Pago_Pago": "SST11",
  "Pacific/Palau": "<+09>-9",
  "Pacific/Pitcairn": "<-08>8",
  "Pacific/Pohnpei": "<+11>-11",
  "Pacific/Port_Moresby": "<+10>-10",
  "Pacific/Rarotonga": "<-10>10",
  "Pacific/Saipan": "ChST-10",
  "Pacific/Tahiti": "<-10>10",
  "Pacific/Tarawa": "<+12>-12",
  "Pacific/Tongatapu": "<+13>-13",
  "Pacific/Wake": "<+12>-12",
  "Pacific/Wallis": "<+12>-12",
  "Etc/GMT": "GMT0",
  "Etc/GMT-0": "GMT0",
  "Etc/GMT-1": "<+01>-1",
  "Etc/GMT-2": "<+02>-2",
  "Etc/GMT-3": "<+03>-3",
  "Etc/GMT-4": "<+04>-4",
  "Etc/GMT-5": "<+05>-5",
  "Etc/GMT-6": "<+06>-6",
  "Etc/GMT-7": "<+07>-7",
  "Etc/GMT-8": "<+08>-8",
  "Etc/GMT-9": "<+09>-9",
  "Etc/GMT-10": "<+10>-10",
  "Etc/GMT-11": "<+11>-11",
  "Etc/GMT-12": "<+12>-12",
  "Etc/GMT-13": "<+13>-13",
  "Etc/GMT-14": "<+14>-14",
  "Etc/GMT0": "GMT0",
  "Etc/GMT+0": "GMT0",
  "Etc/GMT+1": "<-01>1",
  "Etc/GMT+2": "<-02>2",
  "Etc/GMT+3": "<-03>3",
  "Etc/GMT+4": "<-04>4",
  "Etc/GMT+5": "<-05>5",
  "Etc/GMT+6": "<-06>6",
  "Etc/GMT+7": "<-07>7",
  "Etc/GMT+8": "<-08>8",
  "Etc/GMT+9": "<-09>9",
  "Etc/GMT+10": "<-10>10",
  "Etc/GMT+11": "<-11>11",
  "Etc/GMT+12": "<-12>12",
  "Etc/UCT": "UTC0",
  "Etc/UTC": "UTC0",
  "Etc/Greenwich": "GMT0",
  "Etc/Universal": "UTC0",
  "Etc/Zulu": "UTC0"
}

export function selectedTimeZone(label, format){
  return TIME_ZONES[label] === format ? label : undefined;
}

export function timeZoneSelectItems() {
  return Object.keys(TIME_ZONES).map(label => (
    <MenuItem value={label}>{label}</MenuItem>
  ));
}