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TZID:EST
BEGIN:STANDARD
DTSTART:20000101T000000
RRULE:FREQ=YEARLY;BYMONTH=1
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BEGIN:VEVENT
UID:20261012T224254Z - 50768@165ff255b7c4
DTSTART;TZID=EST:20171102T090000
DTEND;TZID=EST:20171102T100000
CREATED:20261012T224254Z
DTSTAMP:20261012T224254Z
LOCATION:My Company
SUMMARY:PowerBright TRx workshop
END:VEVENT
END:VCALENDAR