diff --git a/package-lock.json b/package-lock.json
index a46ea3ce2880..b4ea135fb221 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -11,6 +11,7 @@
       "license": "MIT",
       "dependencies": {
         "@expensify/react-native-web": "0.18.15",
+        "@formatjs/intl-datetimeformat": "^6.10.0",
         "@formatjs/intl-getcanonicallocales": "^2.2.0",
         "@formatjs/intl-listformat": "^7.2.2",
         "@formatjs/intl-locale": "^3.3.0",
@@ -3688,6 +3689,33 @@
         "tslib": "^2.4.0"
       }
     },
+    "node_modules/@formatjs/intl-datetimeformat": {
+      "version": "6.10.0",
+      "resolved": "https://registry.npmjs.org/@formatjs/intl-datetimeformat/-/intl-datetimeformat-6.10.0.tgz",
+      "integrity": "sha512-5tJWZxOyP5D4PDrqv27h0LWAPHhQM9BHR0pDBTZOKWFEZNrS2IgREbyalSGwQLtN1tZaDrt3YeNfNLbZk1wSUw==",
+      "dependencies": {
+        "@formatjs/ecma402-abstract": "1.17.0",
+        "@formatjs/intl-localematcher": "0.4.0",
+        "tslib": "^2.4.0"
+      }
+    },
+    "node_modules/@formatjs/intl-datetimeformat/node_modules/@formatjs/ecma402-abstract": {
+      "version": "1.17.0",
+      "resolved": "https://registry.npmjs.org/@formatjs/ecma402-abstract/-/ecma402-abstract-1.17.0.tgz",
+      "integrity": "sha512-6ueQTeJZtwKjmh23bdkq/DMqH4l4bmfvtQH98blOSbiXv/OUiyijSW6jU22IT8BNM1ujCaEvJfTtyCYVH38EMQ==",
+      "dependencies": {
+        "@formatjs/intl-localematcher": "0.4.0",
+        "tslib": "^2.4.0"
+      }
+    },
+    "node_modules/@formatjs/intl-datetimeformat/node_modules/@formatjs/intl-localematcher": {
+      "version": "0.4.0",
+      "resolved": "https://registry.npmjs.org/@formatjs/intl-localematcher/-/intl-localematcher-0.4.0.tgz",
+      "integrity": "sha512-bRTd+rKomvfdS4QDlVJ6TA/Jx1F2h/TBVO5LjvhQ7QPPHp19oPNMIum7W2CMEReq/zPxpmCeB31F9+5gl/qtvw==",
+      "dependencies": {
+        "tslib": "^2.4.0"
+      }
+    },
     "node_modules/@formatjs/intl-enumerator": {
       "version": "1.3.0",
       "license": "MIT",
@@ -50130,6 +50158,35 @@
         "tslib": "^2.4.0"
       }
     },
+    "@formatjs/intl-datetimeformat": {
+      "version": "6.10.0",
+      "resolved": "https://registry.npmjs.org/@formatjs/intl-datetimeformat/-/intl-datetimeformat-6.10.0.tgz",
+      "integrity": "sha512-5tJWZxOyP5D4PDrqv27h0LWAPHhQM9BHR0pDBTZOKWFEZNrS2IgREbyalSGwQLtN1tZaDrt3YeNfNLbZk1wSUw==",
+      "requires": {
+        "@formatjs/ecma402-abstract": "1.17.0",
+        "@formatjs/intl-localematcher": "0.4.0",
+        "tslib": "^2.4.0"
+      },
+      "dependencies": {
+        "@formatjs/ecma402-abstract": {
+          "version": "1.17.0",
+          "resolved": "https://registry.npmjs.org/@formatjs/ecma402-abstract/-/ecma402-abstract-1.17.0.tgz",
+          "integrity": "sha512-6ueQTeJZtwKjmh23bdkq/DMqH4l4bmfvtQH98blOSbiXv/OUiyijSW6jU22IT8BNM1ujCaEvJfTtyCYVH38EMQ==",
+          "requires": {
+            "@formatjs/intl-localematcher": "0.4.0",
+            "tslib": "^2.4.0"
+          }
+        },
+        "@formatjs/intl-localematcher": {
+          "version": "0.4.0",
+          "resolved": "https://registry.npmjs.org/@formatjs/intl-localematcher/-/intl-localematcher-0.4.0.tgz",
+          "integrity": "sha512-bRTd+rKomvfdS4QDlVJ6TA/Jx1F2h/TBVO5LjvhQ7QPPHp19oPNMIum7W2CMEReq/zPxpmCeB31F9+5gl/qtvw==",
+          "requires": {
+            "tslib": "^2.4.0"
+          }
+        }
+      }
+    },
     "@formatjs/intl-enumerator": {
       "version": "1.3.0",
       "requires": {
diff --git a/package.json b/package.json
index a89542bda646..9f356fbc0443 100644
--- a/package.json
+++ b/package.json
@@ -51,6 +51,7 @@
   },
   "dependencies": {
     "@expensify/react-native-web": "0.18.15",
+    "@formatjs/intl-datetimeformat": "^6.10.0",
     "@formatjs/intl-getcanonicallocales": "^2.2.0",
     "@formatjs/intl-listformat": "^7.2.2",
     "@formatjs/intl-locale": "^3.3.0",
diff --git a/src/libs/IntlPolyfill/index.js b/src/libs/IntlPolyfill/index.js
index 3925b98729a9..a99fc4cfed44 100644
--- a/src/libs/IntlPolyfill/index.js
+++ b/src/libs/IntlPolyfill/index.js
@@ -7,4 +7,5 @@ import polyfillNumberFormat from './polyfillNumberFormat';
 export default function intlPolyfill() {
     // Just need to polyfill Intl.NumberFormat for web based platforms
     polyfillNumberFormat();
+    require('@formatjs/intl-datetimeformat');
 }
diff --git a/src/libs/IntlPolyfill/index.native.js b/src/libs/IntlPolyfill/index.native.js
index a628654fefea..4fb5ca585e25 100644
--- a/src/libs/IntlPolyfill/index.native.js
+++ b/src/libs/IntlPolyfill/index.native.js
@@ -9,6 +9,7 @@ export default function polyfill() {
     require('@formatjs/intl-getcanonicallocales/polyfill');
     require('@formatjs/intl-locale/polyfill');
     require('@formatjs/intl-pluralrules/polyfill');
+    require('@formatjs/intl-datetimeformat');
     polyfillNumberFormat();
     polyfillListFormat();
 }
diff --git a/src/libs/Navigation/AppNavigator/AuthScreens.js b/src/libs/Navigation/AppNavigator/AuthScreens.js
index 34dc089a621f..37b7087b6ad4 100644
--- a/src/libs/Navigation/AppNavigator/AuthScreens.js
+++ b/src/libs/Navigation/AppNavigator/AuthScreens.js
@@ -1,7 +1,6 @@
 import React from 'react';
 import Onyx, {withOnyx} from 'react-native-onyx';
 import PropTypes from 'prop-types';
-import moment from 'moment';
 import _ from 'underscore';
 import lodashGet from 'lodash/get';
 import {View} from 'react-native';
@@ -65,7 +64,7 @@ Onyx.connect({
         }
 
         timezone = lodashGet(val, [currentAccountID, 'timezone'], {});
-        const currentTimezone = moment.tz.guess(true);
+        const currentTimezone = Intl.DateTimeFormat().resolvedOptions().timeZone;
 
         // If the current timezone is different than the user's timezone, and their timezone is set to automatic
         // then update their timezone.
diff --git a/src/libs/actions/App.js b/src/libs/actions/App.js
index 645670c880d9..fffe43b88ee9 100644
--- a/src/libs/actions/App.js
+++ b/src/libs/actions/App.js
@@ -1,5 +1,3 @@
-import moment from 'moment-timezone';
-import 'moment/locale/es';
 import {AppState} from 'react-native';
 import Onyx from 'react-native-onyx';
 import lodashGet from 'lodash/get';
@@ -386,7 +384,7 @@ function openProfile(personalDetails) {
     if (lodashGet(oldTimezoneData, 'automatic', true)) {
         newTimezoneData = {
             automatic: true,
-            selected: moment.tz.guess(true),
+            selected: Intl.DateTimeFormat().resolvedOptions().timeZone,
         };
     }
 
diff --git a/src/pages/settings/Profile/TimezoneInitialPage.js b/src/pages/settings/Profile/TimezoneInitialPage.js
index 7dfc9fb6f9de..94cb40a3f6f3 100644
--- a/src/pages/settings/Profile/TimezoneInitialPage.js
+++ b/src/pages/settings/Profile/TimezoneInitialPage.js
@@ -1,7 +1,6 @@
 import lodashGet from 'lodash/get';
 import React from 'react';
 import {View} from 'react-native';
-import moment from 'moment-timezone';
 import withCurrentUserPersonalDetails, {withCurrentUserPersonalDetailsPropTypes, withCurrentUserPersonalDetailsDefaultProps} from '../../../components/withCurrentUserPersonalDetails';
 import ScreenWrapper from '../../../components/ScreenWrapper';
 import HeaderWithBackButton from '../../../components/HeaderWithBackButton';
@@ -37,7 +36,7 @@ function TimezoneInitialPage(props) {
     const updateAutomaticTimezone = (isAutomatic) => {
         PersonalDetails.updateAutomaticTimezone({
             automatic: isAutomatic,
-            selected: isAutomatic ? moment.tz.guess() : timezone.selected,
+            selected: isAutomatic ? Intl.DateTimeFormat().resolvedOptions().timeZone : timezone.selected,
         });
     };