BEGIN:VCALENDAR
CALSCALE:GREGORIAN
X-WR-TIMEZONE;VALUE=TEXT:US/Central
METHOD:PUBLISH
BEGIN:VEVENT
DTSTAMP:20130524T235448Z
DTSTART:20121218T140000Z
DTEND:20121218T150000Z
DESCRIPTION:JIRA will undergo regular operating system (OS) maintenance on the third Tuesday of every third month.
LOCATION:UT Austin
SUMMARY:Quarterly JIRA OS Maintenance
UID:ut-its-maint-001-2793
X-MICROSOFT-CDO-BUSYSTATUS:FREE 
BEGIN:VALARM
TRIGGER:-PT1H
ACTION:DISPLAY
END:VALARM
END:VEVENT
END:VCALENDAR