remove recurring all day events from google calendar

remove_recurring_all_day_events_from_google_calendar.js

function main() {
  getEventSeries();
}

function getEventSeries() {
  var calendar = CalendarApp.getCalendarById("email-address");
  for (var month = 0; month < 13; month += 1) {
    var date = new Date(2012, month, 1);
    var eventsOnDay = calendar.getEvents(new Date(2012, date.getMonth() , 1), new Date(2012, date.getMonth() + 1, 0));
    for (var ej = 0; ej < eventsOnDay.length; ej += 1) {
      if (eventsOnDay[ej].isAllDayEvent() && eventsOnDay[ej].isRecurringEvent()) {
        Logger.log(eventsOnDay[ej].getEventSeries().getTitle());
        Utilities.sleep(500);
        eventsOnDay[ej].getEventSeries().deleteEventSeries();
      }
    }
  }
}