diff --git a/functions.php b/functions.php
index 02c79be..9d18032 100644
--- a/functions.php
+++ b/functions.php
@@ -11,7 +11,7 @@ $sunsetTrue = 90+50/60; /* "true" sunrise/ sunset */
 $sunsetCivilian = 96;   /* Civilian Twilight */
 $sunsetNautical = 102;  /* Nauticla Twilight */
 
-$sun_zenith = $sunsetCivilian;
+$sun_zenith = 93; /* use one of the above $sunset* or own value */
 $timezone = "Europe/Berlin";
 
 class LightStatus {