Now explicitly output ISO 8601 dates using the datejs library rather …

…than rolling our own string in order to avoid weird local time issues (hopefully!)

lib/pinger.js

@@ -111,11 +111,12 @@ Fetcher.prototype = {
 
     async.forEachSeries(Object.keys(endpoints), function(city, callback) {
       var d = new Date();
+
       // Search previous HOUR
       // TODO: make this more exact and not relative to the request
       var params = {
-        start_date: new Date(d - 60 * 60 * 1000).toString('yyyy-MM-ddTHH:mm:ssZ'),
-        end_date: d.toString('yyyy-MM-ddTHH:mm:ssZ')
+         start_date: new Date(d - 60 * 60 * 1000).toISOString()
+       , end_date: d.toISOString()
       };
       var requestsUrl = self.formatEndpoint(endpoints[city], 'requests', params);