diff --git a/config/app.php b/config/app.php
index be035ed..d6286f6 100644
--- a/config/app.php
+++ b/config/app.php
@@ -15,6 +15,18 @@
 
     'name' => 'Know',
 
+    /*
+    |--------------------------------------------------------------------------
+    | Application Timezone
+    |--------------------------------------------------------------------------
+    |
+    | Date handling (daily digests, staleness cutoffs) should follow the
+    | operator's local day, not UTC. Defaults to UTC when unset.
+    |
+    */
+
+    'timezone' => env('APP_TIMEZONE', 'UTC'),
+
     /*
     |--------------------------------------------------------------------------
     | Application Version