diff -r efd9c589177a -r c0b4a8b5a012 toolkit/javascript/d3/src/time/seconds.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/toolkit/javascript/d3/src/time/seconds.js	Thu Apr 10 14:20:23 2014 +0200
@@ -0,0 +1,7 @@
+d3.time.seconds = d3_time_range(d3.time.second, function(date) {
+  date.setTime(date.getTime() + 1e3);
+}, function(date) {
+  return date.getSeconds();
+});
+
+d3.time.seconds.utc = d3.time.seconds;