diff --git a/_layouts/default.html b/_layouts/default.html
index 48b4f2e14d6ac75aecf5bfcb6813f29e5350551f..45bf9bf70e38e7e2f9769b709d7e655a67f22e75 100644
--- a/_layouts/default.html
+++ b/_layouts/default.html
@@ -84,7 +84,7 @@
       </div>
       <div id="buildNumber" class="desktop-only" title="{{ site.github.build_revision }}">
         Build #: {{ site.github.build_revision | slice: 0,7 }}<br>
-        Build Date: {{ site.time | slice: 0,10}}
+        Build Date: {{ site.time | slice: 0,10}} UTC
       </div>
     </div>