BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//开云体育 Inc//开云体育 Calendar//EN
METHOD:PUBLISH
CALSCALE:GREGORIAN
BEGIN:VEVENT
UID:calendar.20795@groups.io
DTSTAMP:20191203T054846Z
ORGANIZER;CN=yancophm@groups.io Group:mailto:yancophm@groups.io
DTSTART:20191203T073000Z
DTEND:20191203T083000Z
RRULE:FREQ=MONTHLY;INTERVAL=1;BYDAY=1TU
SUMMARY:Museum Meeting
BEGIN:VALARM
ACTION:DISPLAY
CREATED:20191203T054846Z
DESCRIPTION:Museum Meeting
TRIGGER:-PT1D
END:VALARM
SEQUENCE:0
END:VEVENT
END:VCALENDAR