diff -r 9f2334598088 -r 7181e1f28eb0 client/annotviz/app/js/utils.js
--- a/client/annotviz/app/js/utils.js	Fri Jan 23 00:43:54 2015 +0100
+++ b/client/annotviz/app/js/utils.js	Fri Jan 23 01:00:00 2015 +0100
@@ -9,12 +9,10 @@
 
 var PIXI = require('pixi');
 var _ = require('lodash');
+var moment = require('moment');
 
 function formatTime (ts) {
-	var hours = Math.floor( (ts/1000) / 3600 ) % 24;
-	var minutes = Math.floor( (ts/1000) / 60 ) % 60;
-	var seconds = Math.floor( (ts/1000) % 60);
-	return ((hours < 10 ? '0' + hours : hours) + ':' + (minutes < 10 ? '0' + minutes : minutes) + ':' + (seconds  < 10 ? '0' + seconds : seconds));
+	return moment(ts).format("HH:mm:ss");
 }
 
 function colorToHex(c) {