diff --git a/snippets/graph.html b/snippets/graph.html
index d99b32b..77513cb 100644
--- a/snippets/graph.html
+++ b/snippets/graph.html
@@ -49,8 +49,8 @@
 
 $(function() {
 
-    var start = moment({hour: 0});
-    var end = moment();
+    var start = moment.utc({hour: 0});
+    var end = moment.utc();
     var s_start = start.utc().format('YYYY-MM-DDTHH:mm:ss[Z]');
     var s_end = end.utc().format('YYYY-MM-DDTHH:mm:ss[Z]');
 
@@ -67,27 +67,27 @@ $(function() {
 
     $('#btn_w').on("click", function() {
       property = 'w';
-      drawGraph(deveui, alias, property, s_start,s_end, false);
+      drawGraph(deveui, alias, property, s_start, s_end, false);
     });
 
     $('#btn_t').on("click", function() {
       property = 't';
-      drawGraph(deveui, alias, property, s_start,s_end, false);
+      drawGraph(deveui, alias, property, s_start, s_end, false);
     });
 
     $('#btn_h').on("click", function() {
       property = 'h';
-      drawGraph(deveui, alias, property, s_start,s_end, false);
+      drawGraph(deveui, alias, property, s_start, s_end, false);
     });
 
     $('#btn_p').on("click", function() {
       property = 'p';
-      drawGraph(deveui, alias, property, s_start,s_end, false);
+      drawGraph(deveui, alias, property, s_start, s_end, false);
     });
 
     $('#btn_vp').on("click", function() {
       property = 'vp';
-      drawGraph(deveui, alias, property, s_start,s_end, false);
+      drawGraph(deveui, alias, property, s_start, s_end, false);
     });
 
     $('#reportrange').daterangepicker({