Short list of all timezones

Timezones

[
  {
    "value": "Etc/GMT+12",
    "offset": -720,
    "label": "(GMT-12:00) International Date Line West"
  },
  {
    "value": "Pacific/Midway",
    "offset": -660,
    "label": "(GMT-11:00) Midway Island, Samoa"
  },
  {
    "value": "Pacific/Honolulu",
    "offset": -600,
    "label": "(GMT-10:00) Hawaii"
  },
  {
    "value": "America/Juneau",
    "offset": -480,
    "label": "(GMT-08:00) Alaska"
  },
  {
    "value": "America/Chihuahua",
    "offset": -420,
    "label": "(GMT-07:00) Chihuahua, La Paz, Mazatlan"
  },
  {
    "value": "America/Dawson",
    "offset": -420,
    "label": "(GMT-07:00) Pacific Time (US and Canada); Tijuana"
  },
  {
    "value": "America/Phoenix",
    "offset": -420,
    "label": "(GMT-07:00) Arizona"
  },
  {
    "value": "America/Belize",
    "offset": -360,
    "label": "(GMT-06:00) Central America"
  },
  {
    "value": "America/Boise",
    "offset": -360,
    "label": "(GMT-06:00) Mountain Time (US and Canada)"
  },
  {
    "value": "America/Mexico_City",
    "offset": -360,
    "label": "(GMT-06:00) Guadalajara, Mexico City, Monterrey"
  },
  {
    "value": "America/Regina",
    "offset": -360,
    "label": "(GMT-06:00) Saskatchewan"
  },
  {
    "value": "America/Bogota",
    "offset": -300,
    "label": "(GMT-05:00) Bogota, Lima, Quito"
  },
  {
    "value": "America/Chicago",
    "offset": -300,
    "label": "(GMT-05:00) Central Time (US and Canada)"
  },
  {
    "value": "America/Caracas",
    "offset": -240,
    "label": "(GMT-04:00) Caracas, La Paz"
  },
  {
    "value": "America/Detroit",
    "offset": -240,
    "label": "(GMT-04:00) Eastern Time (US and Canada)"
  },
  {
    "value": "America/Indiana/Indianapolis",
    "offset": -240,
    "label": "(GMT-04:00) Indiana (East)"
  },
  {
    "value": "America/Argentina/Buenos_Aires",
    "offset": -180,
    "label": "(GMT-03:00) Buenos Aires, Georgetown"
  },
  {
    "value": "America/Glace_Bay",
    "offset": -180,
    "label": "(GMT-03:00) Atlantic Time (Canada)"
  },
  {
    "value": "America/Godthab",
    "offset": -180,
    "label": "(GMT-03:00) Greenland"
  },
  {
    "value": "America/Santiago",
    "offset": -180,
    "label": "(GMT-03:00) Santiago"
  },
  {
    "value": "America/Sao_Paulo",
    "offset": -180,
    "label": "(GMT-03:00) Brasilia"
  },
  {
    "value": "America/St_Johns",
    "offset": -150,
    "label": "(GMT-02:30) Newfoundland and Labrador"
  },
  {
    "value": "Etc/GMT+2",
    "offset": -120,
    "label": "(GMT-02:00) Mid-Atlantic"
  },
  {
    "value": "Atlantic/Azores",
    "offset": -60,
    "label": "(GMT-01:00) Azores"
  },
  {
    "value": "Atlantic/Cape_Verde",
    "offset": -60,
    "label": "(GMT-01:00) Cape Verde Islands"
  },
  {
    "value": "Atlantic/Canary",
    "offset": 0,
    "label": "(GMT) Canary Islands"
  },
  {
    "value": "GMT",
    "offset": 0,
    "label": "(GMT) Dublin, Edinburgh, Lisbon, London"
  },
  {
    "value": "Africa/Algiers",
    "offset": 60,
    "label": "(GMT+01:00) West Central Africa"
  },
  {
    "value": "Africa/Casablanca",
    "offset": 60,
    "label": "(GMT+01:00) Casablanca, Monrovia"
  },
  {
    "value": "Europe/Amsterdam",
    "offset": 60,
    "label": "(GMT+01:00) Amsterdam, Berlin, Bern, Rome, Stockholm, Vienna"
  },
  {
    "value": "Europe/Belgrade",
    "offset": 60,
    "label": "(GMT+01:00) Belgrade, Bratislava, Budapest, Ljubljana, Prague"
  },
  {
    "value": "Europe/Brussels",
    "offset": 60,
    "label": "(GMT+01:00) Brussels, Copenhagen, Madrid, Paris"
  },
  {
    "value": "Europe/Sarajevo",
    "offset": 60,
    "label": "(GMT+01:00) Sarajevo, Skopje, Warsaw, Zagreb"
  },
  {
    "value": "Africa/Cairo",
    "offset": 120,
    "label": "(GMT+02:00) Cairo"
  },
  {
    "value": "Africa/Harare",
    "offset": 120,
    "label": "(GMT+02:00) Harare, Pretoria"
  },
  {
    "value": "Asia/Jerusalem",
    "offset": 120,
    "label": "(GMT+02:00) Jerusalem"
  },
  {
    "value": "Europe/Athens",
    "offset": 120,
    "label": "(GMT+02:00) Athens, Istanbul, Minsk"
  },
  {
    "value": "Europe/Bucharest",
    "offset": 120,
    "label": "(GMT+02:00) Bucharest"
  },
  {
    "value": "Europe/Helsinki",
    "offset": 120,
    "label": "(GMT+02:00) Helsinki, Kiev, Riga, Sofia, Tallinn, Vilnius"
  },
  {
    "value": "Africa/Nairobi",
    "offset": 180,
    "label": "(GMT+03:00) Nairobi"
  },
  {
    "value": "Asia/Baghdad",
    "offset": 180,
    "label": "(GMT+03:00) Baghdad"
  },
  {
    "value": "Asia/Kuwait",
    "offset": 180,
    "label": "(GMT+03:00) Kuwait, Riyadh"
  },
  {
    "value": "Europe/Moscow",
    "offset": 180,
    "label": "(GMT+03:00) Moscow, St. Petersburg, Volgograd"
  },
  {
    "value": "Asia/Tehran",
    "offset": 210,
    "label": "(GMT+03:30) Tehran"
  },
  {
    "value": "Asia/Baku",
    "offset": 240,
    "label": "(GMT+04:00) Baku, Tbilisi, Yerevan"
  },
  {
    "value": "Asia/Dubai",
    "offset": 240,
    "label": "(GMT+04:00) Abu Dhabi, Muscat"
  },
  {
    "value": "Asia/Kabul",
    "offset": 270,
    "label": "(GMT+04:30) Kabul"
  },
  {
    "value": "Asia/Karachi",
    "offset": 300,
    "label": "(GMT+05:00) Islamabad, Karachi, Tashkent"
  },
  {
    "value": "Asia/Yekaterinburg",
    "offset": 300,
    "label": "(GMT+05:00) Ekaterinburg"
  },
  {
    "value": "Asia/Colombo",
    "offset": 330,
    "label": "(GMT+05:30) Sri Jayawardenepura"
  },
  {
    "value": "Asia/Kolkata",
    "offset": 330,
    "label": "(GMT+05:30) Chennai, Kolkata, Mumbai, New Delhi"
  },
  {
    "value": "Asia/Kathmandu",
    "offset": 345,
    "label": "(GMT+05:45) Kathmandu"
  },
  {
    "value": "Asia/Almaty",
    "offset": 360,
    "label": "(GMT+06:00) Almaty, Novosibirsk"
  },
  {
    "value": "Asia/Dhaka",
    "offset": 360,
    "label": "(GMT+06:00) Astana, Dhaka"
  },
  {
    "value": "Asia/Rangoon",
    "offset": 390,
    "label": "(GMT+06:30) Yangon Rangoon"
  },
  {
    "value": "Asia/Bangkok",
    "offset": 420,
    "label": "(GMT+07:00) Bangkok, Hanoi, Jakarta"
  },
  {
    "value": "Asia/Krasnoyarsk",
    "offset": 420,
    "label": "(GMT+07:00) Krasnoyarsk"
  },
  {
    "value": "Asia/Irkutsk",
    "offset": 480,
    "label": "(GMT+08:00) Irkutsk, Ulaanbaatar"
  },
  {
    "value": "Asia/Kuala_Lumpur",
    "offset": 480,
    "label": "(GMT+08:00) Kuala Lumpur, Singapore"
  },
  {
    "value": "Asia/Shanghai",
    "offset": 480,
    "label": "(GMT+08:00) Beijing, Chongqing, Hong Kong SAR, Urumqi"
  },
  {
    "value": "Asia/Taipei",
    "offset": 480,
    "label": "(GMT+08:00) Taipei"
  },
  {
    "value": "Australia/Perth",
    "offset": 480,
    "label": "(GMT+08:00) Perth"
  },
  {
    "value": "Asia/Seoul",
    "offset": 540,
    "label": "(GMT+09:00) Seoul"
  },
  {
    "value": "Asia/Tokyo",
    "offset": 540,
    "label": "(GMT+09:00) Osaka, Sapporo, Tokyo"
  },
  {
    "value": "Asia/Yakutsk",
    "offset": 540,
    "label": "(GMT+09:00) Yakutsk"
  },
  {
    "value": "Australia/Darwin",
    "offset": 570,
    "label": "(GMT+09:30) Darwin"
  },
  {
    "value": "Asia/Vladivostok",
    "offset": 600,
    "label": "(GMT+10:00) Vladivostok"
  },
  {
    "value": "Australia/Brisbane",
    "offset": 600,
    "label": "(GMT+10:00) Brisbane"
  },
  {
    "value": "Pacific/Guam",
    "offset": 600,
    "label": "(GMT+10:00) Guam, Port Moresby"
  },
  {
    "value": "Australia/Adelaide",
    "offset": 630,
    "label": "(GMT+10:30) Adelaide"
  },
  {
    "value": "Asia/Magadan",
    "offset": 660,
    "label": "(GMT+11:00) Magadan, Solomon Islands, New Caledonia"
  },
  {
    "value": "Australia/Hobart",
    "offset": 660,
    "label": "(GMT+11:00) Hobart"
  },
  {
    "value": "Australia/Sydney",
    "offset": 660,
    "label": "(GMT+11:00) Canberra, Melbourne, Sydney"
  },
  {
    "value": "Pacific/Fiji",
    "offset": 720,
    "label": "(GMT+12:00) Fiji Islands, Kamchatka, Marshall Islands"
  },
  {
    "value": "Pacific/Auckland",
    "offset": 780,
    "label": "(GMT+13:00) Auckland, Wellington"
  },
  {
    "value": "Pacific/Tongatapu",
    "offset": 780,
    "label": "(GMT+13:00) Nuku'alofa"
  }
]