diff --git a/index.html b/index.html
index 5883d91..5cfc0b5 100644
--- a/index.html
+++ b/index.html
@@ -338,7 +338,8 @@
         }
 
         function angleForTime(date) {
-            var hours = date.getHours() + date.getMinutes() / 60;
+            // Rotate so 6:00 real = bottom (0°), 12:00 = right (90°), 18:00 = top (180°), 0:00 = left (270°)
+            var hours = (date.getHours() + date.getMinutes() / 60 - 6 + 24) % 24;
             return ((hours / 24) * 360 - 90) * Math.PI / 180;
         }