diff --git a/src/hooks/useInactivityLogout.js b/src/hooks/useInactivityLogout.js
index 69b4a24..b9d7013 100644
--- a/src/hooks/useInactivityLogout.js
+++ b/src/hooks/useInactivityLogout.js
@@ -21,9 +21,9 @@ const IDLE_CHECK_INTERVAL_MS = 15000;
 
 // Two independent timers, both enforced from localStorage so every tab on the
 // origin agrees:
-//  - INACTIVITY_TIMEOUT_MS: logs out after 15 minutes with no interaction, so
+//  - INACTIVITY_TIMEOUT_MS: logs out after 1 hour with no interaction, so
 //    a laptop left unlocked doesn't leave the console open indefinitely.
-//  - ABSOLUTE_SESSION_TIMEOUT_MS: a hard 30-minute cap since login, even if
+//  - ABSOLUTE_SESSION_TIMEOUT_MS: a hard 1-hour cap since login, even if
 //    the user has been continuously active, so localStorage (auth keys, FCM
 //    token, cached zone list) never lingers on disk longer than that.
 // A logout in one tab (auth key cleared) is picked up by the others via the
@@ -60,7 +60,7 @@ const useInactivityLogout = () => {
     if (isSessionActive()) {
       if (!localStorage.getItem(ACTIVITY_STORAGE_KEY)) markActivity();
       // Sessions that were already open before this feature shipped won't have
-      // a start time yet — give them a fresh 30-minute window instead of
+      // a start time yet — give them a fresh 1-hour window instead of
       // treating them as already expired.
       if (!localStorage.getItem(SESSION_START_STORAGE_KEY)) markSessionStart();
     }
diff --git a/src/utils/session.js b/src/utils/session.js
index 878a1b7..8040c45 100644
--- a/src/utils/session.js
+++ b/src/utils/session.js
@@ -6,8 +6,8 @@
 export const ACTIVITY_STORAGE_KEY = 'lastActivityTime';
 export const SESSION_START_STORAGE_KEY = 'sessionStartTime';
 export const AUTH_PRESENCE_KEY = 'authname';
-export const INACTIVITY_TIMEOUT_MS = 15 * 60 * 1000; // 15 minutes, resets on user activity
-export const ABSOLUTE_SESSION_TIMEOUT_MS = 30 * 60 * 1000; // 30 minutes, hard cap since login regardless of activity
+export const INACTIVITY_TIMEOUT_MS = 60 * 60 * 1000; // 1 hour, resets on user activity
+export const ABSOLUTE_SESSION_TIMEOUT_MS = 60 * 60 * 1000; // 1 hour, hard cap since login regardless of activity
 
 export const markActivity = () => {
   localStorage.setItem(ACTIVITY_STORAGE_KEY, String(Date.now()));