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Date and Time on the Internet: Timestamps (RFC3339)

IP.com Disclosure Number: IPCOM000009218D
Original Publication Date: 2002-Jul-01
Included in the Prior Art Database: 2002-Aug-13
Document File: 19 page(s) / 35K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

G. Klyne: AUTHOR [+2]

Abstract

This document defines a date and time format for use in Internet protocols that is a profile of the ISO 8601 standard for representation of dates and times using the Gregorian calendar.

This text was extracted from an ASCII text file.
This is the abbreviated version, containing approximately 8% of the total text.

Network Working Group                                           G. Klyne

Request for Comments: 3339                        Clearswift Corporation

Category: Standards Track                                      C. Newman

                                                        Sun Microsystems

                                                               July 2002

               Date and Time on the Internet: Timestamps

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 Notice

   Copyright (C) The Internet Society (2002).  All Rights Reserved.

Abstract

   This document defines a date and time format for use in Internet

   protocols that is a profile of the ISO 8601 standard for

   representation of dates and times using the Gregorian calendar.

Table of Contents

   1. Introduction ............................................ 2

   2. Definitions ............................................. 3

   3. Two Digit Years ......................................... 4

   4. Local Time .............................................. 4

   4.1. Coordinated Universal Time (UTC) ...................... 4

   4.2. Local Offsets ......................................... 5

   4.3. Unknown Local Offset Convention ....................... 5

   4.4. Unqualified Local Time ................................ 5

   5. Date and Time format .................................... 6

   5.1. Ordering .............................................. 6

   5.2. Human Readability ..................................... 6

   5.3. Rarely Used Options ................................... 7

   5.4. Redundant Information ................................. 7

   5.5. Simplicity ............................................ 7

   5.6. Internet Date/Time Format ............................. 8

   5.7. Restrictions .......................................... 9

   5.8. Examples ............................................. 10

   6. References ............................................. 10

   7. Security Considerations ................................ 11

Klyne, et. al.              Standards Track                     [Page 1]

RFC 3339       Date and Time on the Internet: Timestamps       July 2002

   Appendix A. ISO 8601 Collected ABNF ....................... 12

   Appendix B. Day of the Week ............................... 14

   Appendix C. Leap Years .......................................