diff --git a/apps/web/src/components/structures/LoggedInView.tsx b/apps/web/src/components/structures/LoggedInView.tsx
index 49cabc44e3..0e084d5644 100644
--- a/apps/web/src/components/structures/LoggedInView.tsx
+++ b/apps/web/src/components/structures/LoggedInView.tsx
@@ -190,6 +190,9 @@ class LoggedInView extends React.Component<IProps, IState> {
             SettingsStore.watchSetting("userTimezonePublish", null, this.onTimezoneUpdate),
             SettingsStore.watchSetting("userTimezone", null, this.onTimezoneUpdate),
         ];
+        // Call this initially to ensure that we set the correct timezone, if the
+        // system time has changed between sessions.
+        void this.onTimezoneUpdate();
 
         this.loadResizer();