Exemplo RRULE Exdate
rrule: 'DTSTART:20190308T120000Z\nRRULE:FREQ=WEEKLY;UNTIL=20220330\nEXDATE:20190614T120000Z\nEXDATE:20190628T120000Z'
Confused Cat
rrule: 'DTSTART:20190308T120000Z\nRRULE:FREQ=WEEKLY;UNTIL=20220330\nEXDATE:20190614T120000Z\nEXDATE:20190628T120000Z'