INTERNET-DRAFT         expires 18 April 2005         Pedro Zorzenon Neto
draft-zorzenon-brazil-tz-00.txt                          18 October 2004





                Abbreviations for Brazilian Time Zones





Intellectual property rights (IPR) statement:



  By submitting this Internet-Draft, I certify that any applicable
  patent or other IPR claims of which I am aware have been disclosed, or
  will be disclosed, and any of which I become aware will be disclosed,
  in accordance with RFC 3668.




Status of this Memo



  Internet-Drafts are working documents of the Internet Engineering
  Task Force (IETF), its areas, and its working groups.  Note that other
  groups may also distribute working documents as Internet-Drafts.


  Internet-Drafts are draft documents valid for a maximum of six months
  and may be updated, replaced, or obsoleted by other documents at any
  time.  It is inappropriate to use Internet-Drafts as reference
  material or to cite them other than a "work in progress."


  The list of current Internet-Drafts can be accessed at
  http://www.ietf.org/1id-abstracts.html


  The list of Internet-Draft Shadow Directories can be accessed at
  http://www.ietf.org/shadow.html"


  Distribution of this document is unlimited.  Please send comments to
  the author.




Abstract



   There are lots of diferent abbreviations used in computer world for
   Brazilian timezones.  This document intend to standardize them.








Pedro Zorzenon Neto                                             [Page 1]
Internet Draft     Abbreviations for Brazilian Time Zones    18 Oct 2004
1 Time Zone Abbreviations
1.1 Commonly used abbreviations


   Some commonly abbreviations used for Brazilian timezones are: EST,
   EDT, BRT, BRST, BRDT and others.
   There is even an ambiguity, in some implementations BRST is -3:00,
   in others BRST is -2:00.


1.2 Recommended Abbreviations


   This document recommends the usage of the following abbreviations:


   Standard-Time  Daylight-Saving-Time  Example-Cities
   BREST -2:00    BREDT -1:00           Some eastern islands
   BRST  -3:00    BRDT  -2:00           Brasilia, Sao Paulo, Rio de
                                        Janeiro, Belo Horizonte
   BRWST -4:00    BRWDT -3:00           Manaus, Cuiaba
   BRAST -5:00    BRADT -4:00           Rio Branco


   Abbreaviations meaning are:
     BRE..  ->  BRazil East
     BR..   ->  BRazil (standard Brazilian time, Brasilia city)
     BRW..  ->  BRazil West
     BRA..  ->  BRazil Acre state
     ...ST  ->  Standard Time
     ...DT  ->  Daylight-saving Time


2 References


   - Information about the recommended abbreviations:
      - http://www.tldp.org/HOWTO/TimePrecision-HOWTO/tz.html#tz.dst
      - http://www.rnp.br/cais/alertas/2003/cais-alr-06102003a.html
   - Brazilian government site, Observatorio Nacional, Clock Service:
      - http://pcdsh01.on.br


3 Author's Address


      Pedro Zorzenon Neto
      Email: pzn@debian.org
      Rua Jesuino de Arruda, 3040 B
      Sao Carlos - SP
      Brazil


4 Copyright


   Copyright (C) The Internet Society (2004).  This document is subject
   to the rights, licenses and restrictions contained in BCP 78, and
   except as set forth therein, the authors retain all their rights.


   This document and the information contained herein are provided on an
   "AS IS" basis and THE CONTRIBUTOR, THE ORGANIZATION HE/SHE REPRESENTS
   OR IS SPONSORED BY (IF ANY), THE INTERNET SOCIETY AND THE INTERNET
   ENGINEERING TASK FORCE DISCLAIM ALL WARRANTIES, EXPRESS OR IMPLIED,
   INCLUDING BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF THE
   INFORMATION HEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED
   WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.


Pedro Zorzenon Neto       expires 18 April 2005                 [Page 2]
Internet Draft     Abbreviations for Brazilian Time Zones    18 Oct 2004