Integer key = (Integer)it.next();
CalendarListElement ele = (CalendarListElement)calendarList.get(key);
Set elekey = ele.keySet();
Iterator eleit = elekey.iterator();
while (eleit.hasNext()) {
CalendarMember calmember = (CalendarMember)ele.get(eleit.next());
CalendarActivityObject activity = calmember.getActivityobject();
Calendar start = activity.getStartTime();
start.setTimeZone(tz);
Calendar end = activity.getEndTime();
end.setTimeZone(tz);
String timeRange = dateTimeFormat.format(start.getTime()) + " - "