BEGIN:VCALENDAR
CALSCALE:GREGORIAN
X-WR-TIMEZONE;VALUE=TEXT:US/Central
METHOD:PUBLISH
BEGIN:VEVENT
DTSTAMP:20130519T115909Z
DTSTART:20120513T050100Z
DTEND:20120513T070000Z
DESCRIPTION:Regularly scheduled Blackboard maintenance window
LOCATION:UT Austin
SUMMARY:Blackboard maintenance window
UID:ut-its-maint-001-1660
X-MICROSOFT-CDO-BUSYSTATUS:FREE 
BEGIN:VALARM
TRIGGER:-PT1H
ACTION:DISPLAY
END:VALARM
END:VEVENT
END:VCALENDAR