docs: function(cronspec, numDates, sixth) {
      var schedule = later.parse.cron(cronspec, sixth);
      var nextDates = later.schedule(schedule).next(numDates);
  
      var nextPrettyDates = []
      for (var i = 0; i < nextDates.length; i++) {
        nextPrettyDates.push(moment(nextDates[i]).calendar());
      }
  
      return nextPrettyDates;
    }