diff --git a/app/javascript/dashboard/routes/dashboard/settings/inbox/helpers/specs/businessHour.spec.js b/app/javascript/dashboard/routes/dashboard/settings/inbox/helpers/specs/businessHour.spec.js
index 62b9b28ac..d6534cb5e 100644
--- a/app/javascript/dashboard/routes/dashboard/settings/inbox/helpers/specs/businessHour.spec.js
+++ b/app/javascript/dashboard/routes/dashboard/settings/inbox/helpers/specs/businessHour.spec.js
@@ -79,7 +79,7 @@ describe('#timeZoneOptions', () => {
   it('returns transforms correctly', () => {
     expect(timeZoneOptions()[0]).toStrictEqual({
       value: 'Etc/GMT+12',
-      label: 'International Date Line West',
+      label: 'International Date Line West (GMT−12:00)',
     });
   });
 });
diff --git a/app/javascript/dashboard/routes/dashboard/settings/inbox/helpers/timezones.json b/app/javascript/dashboard/routes/dashboard/settings/inbox/helpers/timezones.json
index 8cfe6f882..b238add21 100644
--- a/app/javascript/dashboard/routes/dashboard/settings/inbox/helpers/timezones.json
+++ b/app/javascript/dashboard/routes/dashboard/settings/inbox/helpers/timezones.json
@@ -1,153 +1,153 @@
 {
-    "International Date Line West": "Etc/GMT+12",
-    "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",
-    "Puerto Rico": "America/Puerto_Rico",
-    "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/Zurich",
-    "Zurich": "Europe/Zurich",
-    "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"
+  "International Date Line West (GMT−12:00)": "Etc/GMT+12",
+  "Midway Island (GMT-11:00)": "Pacific/Midway",
+  "American Samoa (GMT-11:00)": "Pacific/Pago_Pago",
+  "Hawaii (GMT-10:00)": "Pacific/Honolulu",
+  "Alaska (GMT-08:00)": "America/Juneau",
+  "Pacific Time (US & Canada) (GMT-07:00)": "America/Los_Angeles",
+  "Tijuana (GMT-07:00)": "America/Tijuana",
+  "Mountain Time (US & Canada) (GMT-06:00)": "America/Denver",
+  "Arizona (GMT-07:00)": "America/Phoenix",
+  "Chihuahua (GMT-06:00)": "America/Chihuahua",
+  "Mazatlan (GMT-06:00)": "America/Mazatlan",
+  "Central Time (US & Canada) (GMT-05:00)": "America/Chicago",
+  "Saskatchewan (GMT-06:00)": "America/Regina",
+  "Guadalajara (GMT-05:00)": "America/Mexico_City",
+  "Mexico City (GMT-05:00)": "America/Mexico_City",
+  "Monterrey (GMT-05:00)": "America/Monterrey",
+  "Central America (GMT−06:00)": "America/Guatemala",
+  "Eastern Time (US & Canada) (GMT-04:00)": "America/New_York",
+  "Indiana (East) (GMT-04:00)": "America/Indiana/Indianapolis",
+  "Bogota (GMT-05:00)": "America/Bogota",
+  "Lima (GMT-05:00)": "America/Lima",
+  "Quito (GMT-05:00)": "America/Lima",
+  "Atlantic Time (Canada) (GMT-03:00)": "America/Halifax",
+  "Caracas (GMT-04:00)": "America/Caracas",
+  "La Paz (GMT-04:00)": "America/La_Paz",
+  "Santiago (GMT-04:00)": "America/Santiago",
+  "Newfoundland (GMT-02:30)": "America/St_Johns",
+  "Brasilia (GMT-03:00)": "America/Sao_Paulo",
+  "Buenos Aires (GMT-03:00)": "America/Argentina/Buenos_Aires",
+  "Montevideo (GMT-03:00)": "America/Montevideo",
+  "Georgetown (GMT-04:00)": "America/Guyana",
+  "Puerto Rico (GMT-04:00)": "America/Puerto_Rico",
+  "Greenland (GMT-02:00)": "America/Godthab",
+  "Mid-Atlantic (GMT-02:00)": "Atlantic/South_Georgia",
+  "Azores (GMT-01:00)": "Atlantic/Azores",
+  "Cape Verde Is. (GMT-01:00)": "Atlantic/Cape_Verde",
+  "Dublin (GMT+01:00)": "Europe/Dublin",
+  "Edinburgh (GMT+01:00)": "Europe/London",
+  "Lisbon (GMT+01:00)": "Europe/Lisbon",
+  "London (GMT+01:00)": "Europe/London",
+  "Casablanca (GMT+01:00)": "Africa/Casablanca",
+  "Monrovia (GMT+00:00)": "Africa/Monrovia",
+  "UTC (UTC+00:00)": "Etc/UTC",
+  "Belgrade (GMT+02:00)": "Europe/Belgrade",
+  "Bratislava (GMT+02:00)": "Europe/Bratislava",
+  "Budapest (GMT+02:00)": "Europe/Budapest",
+  "Ljubljana (GMT+02:00)": "Europe/Ljubljana",
+  "Prague (GMT+02:00)": "Europe/Prague",
+  "Sarajevo (GMT+02:00)": "Europe/Sarajevo",
+  "Skopje (GMT+02:00)": "Europe/Skopje",
+  "Warsaw (GMT+02:00)": "Europe/Warsaw",
+  "Zagreb (GMT+02:00)": "Europe/Zagreb",
+  "Brussels (GMT+02:00)": "Europe/Brussels",
+  "Copenhagen (GMT+02:00)": "Europe/Copenhagen",
+  "Madrid (GMT+02:00)": "Europe/Madrid",
+  "Paris (GMT+02:00)": "Europe/Paris",
+  "Amsterdam (GMT+02:00)": "Europe/Amsterdam",
+  "Berlin (GMT+02:00)": "Europe/Berlin",
+  "Bern (GMT+02:00)": "Europe/Zurich",
+  "Zurich (GMT+02:00)": "Europe/Zurich",
+  "Rome (GMT+02:00)": "Europe/Rome",
+  "Stockholm (GMT+02:00)": "Europe/Stockholm",
+  "Vienna (GMT+02:00)": "Europe/Vienna",
+  "West Central Africa (GMT+01:00)": "Africa/Algiers",
+  "Bucharest (GMT+03:00)": "Europe/Bucharest",
+  "Cairo (GMT+02:00)": "Africa/Cairo",
+  "Helsinki (GMT+03:00)": "Europe/Helsinki",
+  "Kyiv (GMT+03:00)": "Europe/Kiev",
+  "Riga (GMT+03:00)": "Europe/Riga",
+  "Sofia (GMT+03:00)": "Europe/Sofia",
+  "Tallinn (GMT+03:00)": "Europe/Tallinn",
+  "Vilnius (GMT+03:00)": "Europe/Vilnius",
+  "Athens (GMT+03:00)": "Europe/Athens",
+  "Istanbul (GMT+03:00)": "Europe/Istanbul",
+  "Minsk (GMT+03:00)": "Europe/Minsk",
+  "Jerusalem (GMT+03:00)": "Asia/Jerusalem",
+  "Harare (GMT+02:00)": "Africa/Harare",
+  "Pretoria (GMT+02:00)": "Africa/Johannesburg",
+  "Kaliningrad (GMT+02:00)": "Europe/Kaliningrad",
+  "Moscow (GMT+03:00)": "Europe/Moscow",
+  "St. Petersburg (GMT+03:00)": "Europe/Moscow",
+  "Volgograd (GMT+03:00)": "Europe/Volgograd",
+  "Samara (GMT+04:00)": "Europe/Samara",
+  "Kuwait (GMT+03:00)": "Asia/Kuwait",
+  "Riyadh (GMT+03:00)": "Asia/Riyadh",
+  "Nairobi (GMT+03:00)": "Africa/Nairobi",
+  "Baghdad (GMT+03:00)": "Asia/Baghdad",
+  "Tehran (GMT+04:30)": "Asia/Tehran",
+  "Abu Dhabi (GMT+04:00)": "Asia/Muscat",
+  "Muscat (GMT+04:00)": "Asia/Muscat",
+  "Baku (GMT+04:00)": "Asia/Baku",
+  "Tbilisi (GMT+04:00)": "Asia/Tbilisi",
+  "Yerevan (GMT+04:00)": "Asia/Yerevan",
+  "Kabul (GMT+04:30)": "Asia/Kabul",
+  "Ekaterinburg (GMT+05:00)": "Asia/Yekaterinburg",
+  "Islamabad (GMT+05:00)": "Asia/Karachi",
+  "Karachi (GMT+05:00)": "Asia/Karachi",
+  "Tashkent (GMT+05:00)": "Asia/Tashkent",
+  "Chennai (GMT+05:30)": "Asia/Kolkata",
+  "Kolkata (GMT+05:30)": "Asia/Kolkata",
+  "Mumbai (GMT+05:30)": "Asia/Kolkata",
+  "New Delhi (GMT+05:30)": "Asia/Kolkata",
+  "Kathmandu (GMT+05:45)": "Asia/Kathmandu",
+  "Astana (GMT+06:00)": "Asia/Dhaka",
+  "Dhaka (GMT+06:00)": "Asia/Dhaka",
+  "Sri Jayawardenepura (GMT+05:30)": "Asia/Colombo",
+  "Almaty (GMT+06:00)": "Asia/Almaty",
+  "Novosibirsk (GMT+07:00)": "Asia/Novosibirsk",
+  "Rangoon (GMT+06:30)": "Asia/Rangoon",
+  "Bangkok (GMT+07:00)": "Asia/Bangkok",
+  "Hanoi (GMT+07:00)": "Asia/Bangkok",
+  "Jakarta (GMT+07:00)": "Asia/Jakarta",
+  "Krasnoyarsk (GMT+07:00)": "Asia/Krasnoyarsk",
+  "Beijing (GMT+08:00)": "Asia/Shanghai",
+  "Chongqing (GMT+08:00)": "Asia/Chongqing",
+  "Hong Kong (GMT+08:00)": "Asia/Hong_Kong",
+  "Urumqi (GMT+08:00)": "Asia/Urumqi",
+  "Kuala Lumpur (GMT+08:00)": "Asia/Kuala_Lumpur",
+  "Singapore (GMT+08:00)": "Asia/Singapore",
+  "Taipei (GMT+08:00)": "Asia/Taipei",
+  "Perth (GMT+08:00)": "Australia/Perth",
+  "Irkutsk (GMT+08:00)": "Asia/Irkutsk",
+  "Ulaanbaatar (GMT+08:00)": "Asia/Ulaanbaatar",
+  "Seoul (GMT+09:00)": "Asia/Seoul",
+  "Osaka (GMT+09:00)": "Asia/Tokyo",
+  "Sapporo (GMT+09:00)": "Asia/Tokyo",
+  "Tokyo (GMT+09:00)": "Asia/Tokyo",
+  "Yakutsk (GMT+09:00)": "Asia/Yakutsk",
+  "Darwin (GMT+09:30)": "Australia/Darwin",
+  "Adelaide (GMT+09:30)": "Australia/Adelaide",
+  "Canberra (GMT+10:00)": "Australia/Melbourne",
+  "Melbourne (GMT+10:00)": "Australia/Melbourne",
+  "Sydney (GMT+10:00)": "Australia/Sydney",
+  "Brisbane (GMT+10:00)": "Australia/Brisbane",
+  "Hobart (GMT+10:00)": "Australia/Hobart",
+  "Vladivostok (GMT+10:00)": "Asia/Vladivostok",
+  "Guam (GMT+10:00)": "Pacific/Guam",
+  "Port Moresby (GMT+10:00)": "Pacific/Port_Moresby",
+  "Magadan (GMT+11:00)": "Asia/Magadan",
+  "Srednekolymsk (GMT+11:00)": "Asia/Srednekolymsk",
+  "Solomon Is. (GMT+11:00)": "Pacific/Guadalcanal",
+  "New Caledonia (GMT+11:00)": "Pacific/Noumea",
+  "Fiji (GMT+12:00)": "Pacific/Fiji",
+  "Kamchatka (GMT+12:00)": "Asia/Kamchatka",
+  "Marshall Is. (GMT+12:00)": "Pacific/Majuro",
+  "Auckland (GMT+12:00)": "Pacific/Auckland",
+  "Wellington (GMT+12:00)": "Pacific/Auckland",
+  "Nuku'alofa (GMT+13:00)": "Pacific/Tongatapu",
+  "Tokelau Is. (GMT+13:00)": "Pacific/Fakaofo",
+  "Chatham Is. (GMT+12:45)": "Pacific/Chatham",
+  "Samoa (GMT+13:00)": "Pacific/Apia"
 }