Internet Calendaring and Scheduling Core Object Specification (iCalendar)

Metadata

Publisher: IETF
Doc Type: Standard
Pages: 168
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. [STANDARDS-TRACK]
Publication Date: 2009-09-01
Status Note: Proposed Standard
DOI: 10.17487/RFC5545
Link: https://doi.org/10.17487/RFC5545
Author(s): Bernard Desruisseaux
Keyword(s): Calendaring, CalDAV, Schedule, Scheduling, iCalendar, ITIP, IMIP, xCalendar

Latest version of IETF RFC 5545

Document Versions — IETF RFC 5545

▶ IETF RFC 5545 (2009-09-01)

THIS DOC [ACTIVE] [LATEST VERSION]

Amended by:

RFC5546 — RFC5546 EXTERNAL
RFC6868 NOT IN REGISTRY
RFC7529 NOT IN REGISTRY
RFC7953 NOT IN REGISTRY
RFC7986 NOT IN REGISTRY
RFC9073 NOT IN REGISTRY
RFC9074 NOT IN REGISTRY
RFC9253 NOT IN REGISTRY

Normative Reference(s)

ANSI/INCITS X3.4:1986 (R1997) [Active]
International Organization for Standardization, "Data elements and interchange formats -- Information interchange -- Representation of dates and times", 2004. EXTERNAL
International Organization for Standardization, "Information Technology_SGML Support Facilities -- Registration Procedures for Public Text Owner Identifiers, Second Edition", April 1991. EXTERNAL
IETF RFC 2045 [Active*]
IETF RFC 2046 [Active, Amended*]
IETF RFC 2119 [Active*]
IETF RFC 2368 [Superseded*]
IETF RFC 3629 [Active*]
IETF RFC 3986 [Active, Amended*]
IETF RFC 4288 [Superseded*]
IETF RFC 4648 [Active*]
IETF RFC 5234 [Active, Amended*]
IETF RFC 5646 [Active*]

Bibliographic Reference(s)

ANSI.X3.61.1986 — ANSI INCITS 61-1986 EXTERNAL
Eggert, P. and A.D. Olson, "Sources for Time Zone and Daylight Saving Time Data", July 2009, < http://www.twinsun.com/tz/tz-link.htm >. EXTERNAL
Melnikov, A., "iCalendar Message-Based Interoperability Protocol (iMIP)", Work in Progress, June 2008. EXTERNAL
Daboo, C., "iCalendar Transport-Independent Interoperability Protocol (iTIP)", Work in Progress, April 2009. EXTERNAL
Internet Mail Consortium, "vCalendar: The Electronic Calendaring and Scheduling Exchange Format", September 1996, < http://www.imc.org/pdi/vcal-10.txt >. EXTERNAL
IETF RFC 1738 [Superseded*]
IETF RFC 2392 [Active*]
IETF RFC 2397 [Active*]
IETF RFC 2425 [Superseded*]
IETF RFC 2426 [Superseded*]
IETF RFC 2445 [Superseded*]
IETF RFC 2616 [Superseded*]
IETF RFC 2818 [Superseded*]
IETF RFC 4516 [Active*]
IETF RFC 4791 [Active*]

Source Data (JSON)

Full registry record with provenance metadata. Open directly: /api/doc/RFC5545.json

Reference Tree

Explore all references and references to this document, as a navigable tree.

Open Reference Tree

Reference this Doc

Plain text (ISO 690 compliant)

Preview:

IETF RFC 5545, Internet Calendaring and Scheduling Core Object Specification (iCalendar). Available at https://doi.org/10.17487/RFC5545

Snippet:

IETF RFC 5545, Internet Calendaring and Scheduling Core Object Specification (iCalendar). Available at https://doi.org/10.17487/RFC5545

HTML (ISO 690 compliant)

Preview:

IETF RFC 5545, Internet Calendaring and Scheduling Core Object Specification (iCalendar). Available at https://doi.org/10.17487/RFC5545

Snippet:

<span class="citation"><cite>IETF RFC 5545</cite>, Internet Calendaring and Scheduling Core Object Specification (iCalendar). Available at <a href="https://doi.org/10.17487/RFC5545" target="_blank" rel="noopener">https://doi.org/10.17487/RFC5545</a></span>

SMPTE's HTML Pub

Preview:

IETF RFC 5545, Internet Calendaring and Scheduling Core Object Specification (iCalendar)
doi: 10.17487/RFC5545
url: https://doi.org/10.17487/RFC5545

Snippet:

<li>
<cite id="bib-rfc5545">IETF RFC 5545</cite>, Internet Calendaring and Scheduling Core Object Specification (iCalendar)
<span class="doi">10.17487/RFC5545</span>
</li>

Referenced By

IETF RFC 6350 [Active*]
IETF RFC 6557 [Active*]
IETF RFC 6648 [Active*]