diff --git a/ics.js b/ics.js
index 68180da..a66ecbb 100644
--- a/ics.js
+++ b/ics.js
@@ -111,28 +111,29 @@ var ics = function(uidDomain, prodId) {
       var end_date = new Date(stop);
       var now_date = new Date();
 
-      var start_year = ("0000" + (start_date.getFullYear().toString())).slice(-4);
-      var start_month = ("00" + ((start_date.getMonth() + 1).toString())).slice(-2);
-      var start_day = ("00" + ((start_date.getDate()).toString())).slice(-2);
-      var start_hours = ("00" + (start_date.getHours().toString())).slice(-2);
-      var start_minutes = ("00" + (start_date.getMinutes().toString())).slice(-2);
-      var start_seconds = ("00" + (start_date.getSeconds().toString())).slice(-2);
-
-      var end_year = ("0000" + (end_date.getFullYear().toString())).slice(-4);
-      var end_month = ("00" + ((end_date.getMonth() + 1).toString())).slice(-2);
-      var end_day = ("00" + ((end_date.getDate()).toString())).slice(-2);
-      var end_hours = ("00" + (end_date.getHours().toString())).slice(-2);
-      var end_minutes = ("00" + (end_date.getMinutes().toString())).slice(-2);
-      var end_seconds = ("00" + (end_date.getSeconds().toString())).slice(-2);
-
-      var now_year = ("0000" + (now_date.getFullYear().toString())).slice(-4);
-      var now_month = ("00" + ((now_date.getMonth() + 1).toString())).slice(-2);
-      var now_day = ("00" + ((now_date.getDate()).toString())).slice(-2);
-      var now_hours = ("00" + (now_date.getHours().toString())).slice(-2);
-      var now_minutes = ("00" + (now_date.getMinutes().toString())).slice(-2);
-      var now_seconds = ("00" + (now_date.getSeconds().toString())).slice(-2);
+      var start_year = ("0000" + (start_date.getUTCFullYear().toString())).slice(-4);
+      var start_month = ("00" + ((start_date.getUTCMonth() + 1).toString())).slice(-2);
+      var start_day = ("00" + ((start_date.getUTCDate()).toString())).slice(-2);
+      var start_hours = ("00" + (start_date.getUTCHours().toString())).slice(-2);
+      var start_minutes = ("00" + (start_date.getUTCMinutes().toString())).slice(-2);
+      var start_seconds = ("00" + (start_date.getUTCSeconds().toString())).slice(-2);
+
+      var end_year = ("0000" + (end_date.getUTCFullYear().toString())).slice(-4);
+      var end_month = ("00" + ((end_date.getUTCMonth() + 1).toString())).slice(-2);
+      var end_day = ("00" + ((end_date.getUTCDate()).toString())).slice(-2);
+      var end_hours = ("00" + (end_date.getUTCHours().toString())).slice(-2);
+      var end_minutes = ("00" + (end_date.getUTCMinutes().toString())).slice(-2);
+      var end_seconds = ("00" + (end_date.getUTCSeconds().toString())).slice(-2);
+
+      var now_year = ("0000" + (now_date.getUTCFullYear().toString())).slice(-4);
+      var now_month = ("00" + ((now_date.getUTCMonth() + 1).toString())).slice(-2);
+      var now_day = ("00" + ((now_date.getUTCDate()).toString())).slice(-2);
+      var now_hours = ("00" + (now_date.getUTCHours().toString())).slice(-2);
+      var now_minutes = ("00" + (now_date.getUTCMinutes().toString())).slice(-2);
+      var now_seconds = ("00" + (now_date.getUTCSeconds().toString())).slice(-2);
 
       // Since some calendars don't add 0 second events, we need to remove time if there is none...
+      
       var start_time = '';
       var end_time = '';
       if (start_hours + start_minutes + start_seconds + end_hours + end_minutes + end_seconds != 0) {
@@ -141,9 +142,9 @@ var ics = function(uidDomain, prodId) {
       }
       var now_time = 'T' + now_hours + now_minutes + now_seconds;
 
-      var start = start_year + start_month + start_day + start_time;
-      var end = end_year + end_month + end_day + end_time;
-      var now = now_year + now_month + now_day + now_time;
+      var start = start_year + start_month + start_day + start_time + 'Z';
+      var end = end_year + end_month + end_day + end_time + 'Z';
+      var now = now_year + now_month + now_day + now_time + 'Z';
 
       // recurrence rrule vars
       var rruleString;