4. iCalendar Object Examples

The following examples are provided as an informational source of illustrative iCalendar objects consistent with this content type.

The following example specifies a three-day conference that begins at 2:30 P.M. UTC, September 18, 1996 and ends at 10:00 P.M. UTC, September 20, 1996.

 BEGIN:VCALENDAR
 PRODID:-//xyz Corp//NONSGML PDA Calendar Version 1.0//EN
 VERSION:2.0
 BEGIN:VEVENT
 DTSTAMP:19960704T120000Z
 UID:uid1@example.com
 ORGANIZER:mailto:jsmith@example.com
 DTSTART:19960918T143000Z
 DTEND:19960920T220000Z
 STATUS:CONFIRMED
 CATEGORIES:CONFERENCE
 SUMMARY:Networld+Interop Conference
 DESCRIPTION:Networld+Interop Conference
   and Exhibit\nAtlanta World Congress Center\n
  Atlanta\, Georgia
 END:VEVENT
 END:VCALENDAR

The following example specifies a group-scheduled meeting that begins at 8:30 AM EST on March 12, 1998 and ends at 9:30 AM EST on March 12, 1998. The "Organizer" has scheduled the meeting with one or more calendar users in a group. A time zone specification for Eastern United States has been specified.

 BEGIN:VCALENDAR
 PRODID:-//RDU Software//NONSGML HandCal//EN
 VERSION:2.0
 BEGIN:VTIMEZONE
 TZID:America/New_York
 BEGIN:STANDARD
 DTSTART:19981025T020000
 TZOFFSETFROM:-0400
 TZOFFSETTO:-0500
 TZNAME:EST
 END:STANDARD
 BEGIN:DAYLIGHT
 DTSTART:19990404T020000
 TZOFFSETFROM:-0500
 TZOFFSETTO:-0400
 TZNAME:EDT
 END:DAYLIGHT
 END:VTIMEZONE
 BEGIN:VEVENT
 DTSTAMP:19980309T231000Z
 UID:guid-1.example.com
 ORGANIZER:mailto:mrbig@example.com
 ATTENDEE;RSVP=TRUE;ROLE=REQ-PARTICIPANT;CUTYPE=GROUP:
  mailto:employee-A@example.com
 DESCRIPTION:Project XYZ Review Meeting
 CATEGORIES:MEETING
 CLASS:PUBLIC
 CREATED:19980309T130000Z
 SUMMARY:XYZ Project Review
 DTSTART;TZID=America/New_York:19980312T083000
 DTEND;TZID=America/New_York:19980312T093000
 LOCATION:1CP Conference Room 4350
 END:VEVENT
 END:VCALENDAR

The following is an example of an iCalendar object passed in a MIME message with a single body part consisting of a "text/calendar" Content Type.

 TO:jsmith@example.com
 FROM:jdoe@example.com
 MIME-VERSION:1.0
 MESSAGE-ID:
 CONTENT-TYPE:text/calendar; method="xyz"; component="VEVENT"

 BEGIN:VCALENDAR
 METHOD:xyz
 VERSION:2.0
 PRODID:-//ABC Corporation//NONSGML My Product//EN
 BEGIN:VEVENT
 DTSTAMP:19970324T120000Z
 SEQUENCE:0
 UID:uid3@example.com
 ORGANIZER:mailto:jdoe@example.com
 ATTENDEE;RSVP=TRUE:mailto:jsmith@example.com
 DTSTART:19970324T123000Z
 DTEND:19970324T210000Z
 CATEGORIES:MEETING,PROJECT
 CLASS:PUBLIC
 SUMMARY:Calendaring Interoperability Planning Meeting
 DESCRIPTION:Discuss how we can test c&s interoperability\n
  using iCalendar and other IETF standards.
 LOCATION:LDB Lobby
 ATTACH;FMTTYPE=application/postscript:ftp://example.com/pub/
  conf/bkgrnd.ps
 END:VEVENT
 END:VCALENDAR

The following is an example of a to-do due on April 15, 1998. An audio alarm has been specified to remind the calendar user at noon, the day before the to-do is expected to be completed and repeat hourly, four additional times. The to-do definition has been modified twice since it was initially created.

 BEGIN:VCALENDAR
 VERSION:2.0
 PRODID:-//ABC Corporation//NONSGML My Product//EN
 BEGIN:VTODO
 DTSTAMP:19980130T134500Z
 SEQUENCE:2
 UID:uid4@example.com
 ORGANIZER:mailto:unclesam@example.com
 ATTENDEE;PARTSTAT=ACCEPTED:mailto:jqpublic@example.com
 DUE:19980415T000000
 STATUS:NEEDS-ACTION
 SUMMARY:Submit Income Taxes
 BEGIN:VALARM
 ACTION:AUDIO
 TRIGGER:19980403T120000Z
 ATTACH;FMTTYPE=audio/basic:http://example.com/pub/audio-
  files/ssbanner.aud
 REPEAT:4
 DURATION:PT1H
 END:VALARM
 END:VTODO
 END:VCALENDAR

The following is an example of a journal entry:

 BEGIN:VCALENDAR
 VERSION:2.0
 PRODID:-//ABC Corporation//NONSGML My Product//EN
 BEGIN:VJOURNAL
 DTSTAMP:19970324T120000Z
 UID:uid5@example.com
 ORGANIZER:mailto:jsmith@example.com
 STATUS:DRAFT
 CLASS:PUBLIC
 CATEGORIES:Project Report,XYZ,Weekly Meeting
 DESCRIPTION:Project xyz Review Meeting Minutes\n
  Agenda\n1. Review of project version 1.0 requirements.\n2.
   Definition
  of project processes.\n3. Review of project schedule.\n
  Participants: John Smith\, Jane Doe\, Jim Dandy\n-It was
   decided that the requirements need to be signed off by
   product marketing.\n-Project processes were accepted.\n
  -Project schedule needs to account for scheduled holidays
   and employee vacation time. Check with HR for specific
   dates.\n-New schedule will be distributed by Friday.\n-
  Next weeks meeting is cancelled. No meeting until 3/23.
 END:VJOURNAL
 END:VCALENDAR

The following is an example of published busy time information. The iCalendar object might be placed in the network resource http://www.example.com/calendar/busytime/jsmith.ifb.

 BEGIN:VCALENDAR
 VERSION:2.0
 PRODID:-//RDU Software//NONSGML HandCal//EN
 BEGIN:VFREEBUSY
 ORGANIZER:mailto:jsmith@example.com
 DTSTART:19980313T141711Z
 DTEND:19980410T141711Z
 FREEBUSY:19980314T233000Z/19980315T003000Z
 FREEBUSY:19980316T153000Z/19980316T163000Z
 FREEBUSY:19980318T030000Z/19980318T040000Z
 URL:http://www.example.com/calendar/busytime/jsmith.ifb
 END:VFREEBUSY
 END:VCALENDAR