diff --git a/webroot/rsrc/js/application/fact/Chart.js b/webroot/rsrc/js/application/fact/Chart.js
--- a/webroot/rsrc/js/application/fact/Chart.js
+++ b/webroot/rsrc/js/application/fact/Chart.js
@@ -194,9 +194,15 @@
             var d_y = dd.getFullYear();
 
             // NOTE: Javascript months are zero-based. See PHI1017.
-            var d_m = dd.getMonth() + 1;
-
-            var d_d = dd.getDate();
+            var d_m = (dd.getMonth() + 1).toString();
+            if (d_m.length == 1) {
+              d_m = '0' + d_m;
+            }
+
+            var d_d = dd.getDate().toString();
+            if (d_d.length == 1) {
+              d_d = '0' + d_d;
+            }
 
             var y = parseInt(d.y1);