diff --git a/packages/web/components/Dashboard/Calendar.tsx b/packages/web/components/Dashboard/Calendar.tsx
index 06d9d376..6c07a5d5 100644
--- a/packages/web/components/Dashboard/Calendar.tsx
+++ b/packages/web/components/Dashboard/Calendar.tsx
@@ -1,10 +1,9 @@
-import jstz from 'jstz';
 import React from 'react';
 
 const calId = 'nih59ktgafmm64ed4qk6ue8vv4@group.calendar.google.com';
 
 export const Calendar: React.FC = () => {
-  const timezone = jstz.determine().name();
+  const timezone = Intl.DateTimeFormat().resolvedOptions().timeZone;
 
   return (
     <iframe
diff --git a/packages/web/package.json b/packages/web/package.json
index 30e4f0c1..35cae73a 100644
--- a/packages/web/package.json
+++ b/packages/web/package.json
@@ -30,7 +30,6 @@
     "fake-tag": "3.0.0",
     "graphql": "15.5.0",
     "isomorphic-unfetch": "3.1.0",
-    "jstz": "^2.1.1",
     "moment": "2.29.1",
     "next": "10.2.3",
     "next-images": "1.7.0",
diff --git a/yarn.lock b/yarn.lock
index 5f62c440..c0c188cd 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -19780,11 +19780,6 @@ jss@10.6.0, jss@^10.5.1:
     is-in-browser "^1.1.3"
     tiny-warning "^1.0.2"
 
-jstz@^2.1.1:
-  version "2.1.1"
-  resolved "https://registry.yarnpkg.com/jstz/-/jstz-2.1.1.tgz#fff3373a518fa7cce69299930466f5a2b980389d"
-  integrity sha512-8hfl5RD6P7rEeIbzStBz3h4f+BQHfq/ABtoU6gXKQv5OcZhnmrIpG7e1pYaZ8hS9e0mp+bxUj08fnDUbKctYyA==
-
 "jsx-ast-utils@^2.4.1 || ^3.0.0", jsx-ast-utils@^3.1.0:
   version "3.2.0"
   resolved "https://registry.yarnpkg.com/jsx-ast-utils/-/jsx-ast-utils-3.2.0.tgz#41108d2cec408c3453c1bbe8a4aae9e1e2bd8f82"