diff --git a/apps/web/playwright/availability.e2e.ts b/apps/web/playwright/availability.e2e.ts
index 961426022b..df923e5c66 100644
--- a/apps/web/playwright/availability.e2e.ts
+++ b/apps/web/playwright/availability.e2e.ts
@@ -179,7 +179,7 @@ test.describe("Availablity", () => {
       .locator("svg")
       .click();
 
-    await page.locator("[id=timeZone-lg-viewport]").fill("bras");
+    await page.locator("[id=timeZone-lg-viewport]").fill("Braz");
     await page.getByTestId("select-option-America/Sao_Paulo").click();
     await submitAndWaitForResponse(page, "/api/trpc/availability/schedule.update?batch=1");
     await page.getByTestId("add-override").click();
diff --git a/apps/web/test/lib/getTimezone.test.ts b/apps/web/test/lib/getTimezone.test.ts
index ff2be79b49..10c025aedd 100644
--- a/apps/web/test/lib/getTimezone.test.ts
+++ b/apps/web/test/lib/getTimezone.test.ts
@@ -23,6 +23,66 @@ const cityData = [
     city: "San Francisco",
     timezone: "America/Los_Angeles",
   },
+  {
+    city: "Eastern Time - US & Canada",
+    timezone: "America/New_York",
+  },
+  {
+    city: "Pacific Time - US & Canada",
+    timezone: "America/Los_Angeles",
+  },
+  {
+    city: "Central Time - US & Canada",
+    timezone: "America/Chicago",
+  },
+  {
+    city: "Mountain Time - US & Canada",
+    timezone: "America/Denver",
+  },
+  {
+    city: "Atlantic Time - Canada",
+    timezone: "America/Halifax",
+  },
+  {
+    city: "Eastern European Time",
+    timezone: "Europe/Bucharest",
+  },
+  {
+    city: "Central European Time",
+    timezone: "Europe/Berlin",
+  },
+  {
+    city: "Western European Time",
+    timezone: "Europe/London",
+  },
+  {
+    city: "Australian Eastern Time",
+    timezone: "Australia/Sydney",
+  },
+  {
+    city: "Japan Standard Time",
+    timezone: "Asia/Tokyo",
+  },
+  {
+    city: "India Standard Time",
+    timezone: "Asia/Kolkata",
+  },
+  {
+    city: "Gulf Standard Time",
+    timezone: "Asia/Dubai",
+  },
+  {
+    city: "South Africa Standard Time",
+    timezone: "Africa/Johannesburg",
+  },
+  {
+    city: "Brazil Time",
+    timezone: "America/Sao_Paulo",
+  },
+  {
+    city: "Hawaii-Aleutian Standard Time",
+    timezone: "Pacific/Honolulu",
+  },
 ];
 
 const option = {
@@ -49,37 +109,50 @@ describe("getTimezone", () => {
 
   it("should filter cities for a valid city name", () => {
     expect(filterByCities("San Francisco", cityData)).toMatchInlineSnapshot(`
-    [
-      {
-        "city": "San Francisco",
-        "timezone": "America/Argentina/Cordoba",
-      },
-      {
-        "city": "San Francisco de Macoris",
-        "timezone": "America/Santo_Domingo",
-      },
-      {
-        "city": "San Francisco Gotera",
-        "timezone": "America/El_Salvador",
-      },
-      {
-        "city": "San Francisco",
-        "timezone": "America/Los_Angeles",
-      },
-    ]
-  `);
+      [
+        {
+          "city": "San Francisco",
+          "timezone": "America/Argentina/Cordoba",
+        },
+        {
+          "city": "San Francisco de Macoris",
+          "timezone": "America/Santo_Domingo",
+        },
+        {
+          "city": "San Francisco Gotera",
+          "timezone": "America/El_Salvador",
+        },
+        {
+          "city": "San Francisco",
+          "timezone": "America/Los_Angeles",
+        },
+      ]
+    `);
   });
 
   it("should return appropriate timezone(s) for a given city name array", () => {
     expect(addCitiesToDropdown(cityData)).toMatchInlineSnapshot(`
-    {
-      "America/Argentina/Cordoba": "San Francisco",
-      "America/El_Salvador": "San Francisco Gotera",
-      "America/Los_Angeles": "San Francisco",
-      "America/Santo_Domingo": "San Francisco de Macoris",
-      "America/Sao_Paulo": "Sao Francisco do Sul",
-    }
-  `);
+      {
+        "Africa/Johannesburg": "South Africa Standard Time",
+        "America/Argentina/Cordoba": "San Francisco",
+        "America/Chicago": "Central Time - US & Canada",
+        "America/Denver": "Mountain Time - US & Canada",
+        "America/El_Salvador": "San Francisco Gotera",
+        "America/Halifax": "Atlantic Time - Canada",
+        "America/Los_Angeles": "Pacific Time - US & Canada",
+        "America/New_York": "Eastern Time - US & Canada",
+        "America/Santo_Domingo": "San Francisco de Macoris",
+        "America/Sao_Paulo": "Brazil Time",
+        "Asia/Dubai": "Gulf Standard Time",
+        "Asia/Kolkata": "India Standard Time",
+        "Asia/Tokyo": "Japan Standard Time",
+        "Australia/Sydney": "Australian Eastern Time",
+        "Europe/Berlin": "Central European Time",
+        "Europe/Bucharest": "Eastern European Time",
+        "Europe/London": "Western European Time",
+        "Pacific/Honolulu": "Hawaii-Aleutian Standard Time",
+      }
+    `);
   });
 
   it("should render city name as option label if cityData is not empty", () => {
diff --git a/packages/features/additionalTimezones/additionalTimezones.json b/packages/features/additionalTimezones/additionalTimezones.json
new file mode 100644
index 0000000000..5549cfb9dd
--- /dev/null
+++ b/packages/features/additionalTimezones/additionalTimezones.json
@@ -0,0 +1,64 @@
+{
+  "timezones": [
+    {
+      "name": "Eastern Time - US & Canada",
+      "identifier": "America/New_York"
+    },
+    {
+      "name": "Pacific Time - US & Canada",
+      "identifier": "America/Los_Angeles"
+    },
+    {
+      "name": "Central Time - US & Canada",
+      "identifier": "America/Chicago"
+    },
+    {
+      "name": "Mountain Time - US & Canada",
+      "identifier": "America/Denver"
+    },
+    {
+      "name": "Atlantic Time - Canada",
+      "identifier": "America/Halifax"
+    },
+    {
+      "name": "Eastern European Time",
+      "identifier": "Europe/Bucharest"
+    },
+    {
+      "name": "Central European Time",
+      "identifier": "Europe/Berlin"
+    },
+    {
+      "name": "Western European Time",
+      "identifier": "Europe/London"
+    },
+    {
+      "name": "Australian Eastern Time",
+      "identifier": "Australia/Sydney"
+    },
+    {
+      "name": "Japan Standard Time",
+      "identifier": "Asia/Tokyo"
+    },
+    {
+      "name": "India Standard Time",
+      "identifier": "Asia/Kolkata"
+    },
+    {
+      "name": "Gulf Standard Time",
+      "identifier": "Asia/Dubai"
+    },
+    {
+      "name": "South Africa Standard Time",
+      "identifier": "Africa/Johannesburg"
+    },
+    {
+      "name": "Brazil Time",
+      "identifier": "America/Sao_Paulo"
+    },
+    {
+      "name": "Hawaii-Aleutian Standard Time",
+      "identifier": "Pacific/Honolulu"
+    }
+  ]
+}
diff --git a/packages/features/additionalTimezones/additionalTimezones.ts b/packages/features/additionalTimezones/additionalTimezones.ts
new file mode 100644
index 0000000000..84f15c9d84
--- /dev/null
+++ b/packages/features/additionalTimezones/additionalTimezones.ts
@@ -0,0 +1,10 @@
+import * as additionalTimezones from "./additionalTimezones.json";
+
+export interface Timezone {
+  name: string;
+  identifier: string;
+}
+
+export const timezones: Timezone[] = additionalTimezones.timezones;
+
+export default additionalTimezones;
diff --git a/packages/lib/timezone.ts b/packages/lib/timezone.ts
index d4820943b0..92ac08f175 100644
--- a/packages/lib/timezone.ts
+++ b/packages/lib/timezone.ts
@@ -3,6 +3,7 @@ import type { ITimezoneOption } from "react-timezone-select";
 import dayjs from "@calcom/dayjs";
 import type { ICity } from "@calcom/ui/components/form/timezone-select";
 
+import { timezones as additionalTimezones } from "../features/additionalTimezones/additionalTimezones";
 import isProblematicTimezone from "./isProblematicTimezone";
 
 function findPartialMatch(itemsToSearch: string, searchString: string) {
@@ -30,6 +31,11 @@ export const addCitiesToDropdown = (cities: ICity[]) => {
     }
     return acc;
   }, {});
+
+  additionalTimezones.forEach((tz) => {
+    cityTimezones[tz.identifier] = tz.name;
+  });
+
   return cityTimezones || {};
 };