Sort your array of CalendarEvent objects that were returned from the Google Apps Script CalendarApp

code.gs

// copy this to the bottom of your script, then call it on your array of CalendarEvent objects that you got from the CalendarApp
//
// ex:
// var sortedEvents = sortArrayOfCalendarEventsChronologically(events);
// or
// events = sortArrayOfCalendarEventsChronologically(events);

function sortArrayOfCalendarEventsChronologically(array) {
  if (!array || array.length == 0) {
    return 0;
  }
  var temp = [];
  for (var i in array) {
    var startTime = new Date(array[i].getStartTime());
    var startTimeMilli = startTime.getTime();
    for (var j in temp) {
      var iteratorStartTime = temp[j].getStartTime();
      var iteratorStartTimeMilli = iteratorStartTime.getTime();
      if (startTimeMilli < iteratorStartTimeMilli) {
        break;
      }
    }
    temp.splice(j, 0, array[i]);
  }
  return temp;
}