Internet Calendaring and Scheduling Core Object Specification (iCalendar)
RFC 5545
Document | Type |
RFC - Proposed Standard
(September 2009; Errata)
Obsoletes RFC 2445
|
|
---|---|---|---|
Author | Bernard Desruisseaux | ||
Last updated | 2020-01-21 | ||
Stream | IETF | ||
Formats | plain text html pdf htmlized with errata bibtex | ||
Reviews | |||
Stream | WG state | (None) | |
Document shepherd | No shepherd assigned | ||
IESG | IESG state | RFC 5545 (Proposed Standard) | |
Consensus Boilerplate | Unknown | ||
Telechat date | |||
Responsible AD | Lisa Dusseault | ||
Send notices to | (None) |
Network Working Group B. Desruisseaux, Ed. Request for Comments: 5545 Oracle Obsoletes: 2445 September 2009 Category: Standards Track Internet Calendaring and Scheduling Core Object Specification (iCalendar) Abstract This document defines the iCalendar data format for representing and exchanging calendaring and scheduling information such as events, to-dos, journal entries, and free/busy information, independent of any particular calendar service or protocol. Status of This Memo This document specifies an Internet standards track protocol for the Internet community, and requests discussion and suggestions for improvements. Please refer to the current edition of the "Internet Official Protocol Standards" (STD 1) for the standardization state and status of this protocol. Distribution of this memo is unlimited. Copyright and License Notice Copyright (c) 2009 IETF Trust and the persons identified as the document authors. All rights reserved. This document is subject to BCP 78 and the IETF Trust's Legal Provisions Relating to IETF Documents (http://trustee.ietf.org/license-info) in effect on the date of publication of this document. Please review these documents carefully, as they describe your rights and restrictions with respect to this document. Code Components extracted from this document must include Simplified BSD License text as described in Section 4.e of the Trust Legal Provisions and are provided without warranty as described in the BSD License. This document may contain material from IETF Documents or IETF Contributions published or made publicly available before November 10, 2008. The person(s) controlling the copyright in some of this material may not have granted the IETF Trust the right to allow modifications of such material outside the IETF Standards Process. Without obtaining an adequate license from the person(s) controlling the copyright in such materials, this document may not be modified outside the IETF Standards Process, and derivative works of it may not be created outside the IETF Standards Process, except to format Desruisseaux Standards Track [Page 1] RFC 5545 iCalendar September 2009 it for publication as an RFC or to translate it into languages other than English. Table of Contents 1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 5 2. Basic Grammar and Conventions . . . . . . . . . . . . . . . . 6 2.1. Formatting Conventions . . . . . . . . . . . . . . . . . 6 2.2. Related Memos . . . . . . . . . . . . . . . . . . . . . . 7 3. iCalendar Object Specification . . . . . . . . . . . . . . . 8 3.1. Content Lines . . . . . . . . . . . . . . . . . . . . . . 8 3.1.1. List and Field Separators . . . . . . . . . . . . . . 11 3.1.2. Multiple Values . . . . . . . . . . . . . . . . . . . 11 3.1.3. Binary Content . . . . . . . . . . . . . . . . . . . 11 3.1.4. Character Set . . . . . . . . . . . . . . . . . . . . 12 3.2. Property Parameters . . . . . . . . . . . . . . . . . . . 12 3.2.1. Alternate Text Representation . . . . . . . . . . . . 13 3.2.2. Common Name . . . . . . . . . . . . . . . . . . . . . 15 3.2.3. Calendar User Type . . . . . . . . . . . . . . . . . 15 3.2.4. Delegators . . . . . . . . . . . . . . . . . . . . . 16 3.2.5. Delegatees . . . . . . . . . . . . . . . . . . . . . 16 3.2.6. Directory Entry Reference . . . . . . . . . . . . . . 17 3.2.7. Inline Encoding . . . . . . . . . . . . . . . . . . . 17 3.2.8. Format Type . . . . . . . . . . . . . . . . . . . . . 18 3.2.9. Free/Busy Time Type . . . . . . . . . . . . . . . . . 19 3.2.10. Language . . . . . . . . . . . . . . . . . . . . . . 20 3.2.11. Group or List Membership . . . . . . . . . . . . . . 20 3.2.12. Participation Status . . . . . . . . . . . . . . . . 21 3.2.13. Recurrence Identifier Range . . . . . . . . . . . . . 22 3.2.14. Alarm Trigger Relationship . . . . . . . . . . . . . 23 3.2.15. Relationship Type . . . . . . . . . . . . . . . . . . 24 3.2.16. Participation Role . . . . . . . . . . . . . . . . . 25 3.2.17. RSVP Expectation . . . . . . . . . . . . . . . . . . 25 3.2.18. Sent By . . . . . . . . . . . . . . . . . . . . . . . 26 3.2.19. Time Zone Identifier . . . . . . . . . . . . . . . . 26 3.2.20. Value Data Types . . . . . . . . . . . . . . . . . . 28 3.3. Property Value Data Types . . . . . . . . . . . . . . . . 29 3.3.1. Binary . . . . . . . . . . . . . . . . . . . . . . . 29 3.3.2. Boolean . . . . . . . . . . . . . . . . . . . . . . . 30Show full document text