This is the FTS-4008 Time zone information (TZUTC) file added by me to the ftsc section of the documentation
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<title>Untitled Document</title>
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<body>
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**********************************************************************<br>
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FTSC FIDONET TECHNICAL STANDARDS COMMITTEE<br>
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**********************************************************************
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<p>Publication: FTS-4008<br>
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Revision: 2<br>
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Title: Time zone information (TZUTC)<br>
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Author: FTSC<br>
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Issue Date: 16 May 2003<br>
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Review Date: 16 May 2005<br>
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Obsoletes: FTS-0010.001<br>
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----------------------------------------------------------------------<br>
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Contents:<br>
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1. Introduction<br>
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2. Scope<br>
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3. Current practice<br>
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4. Control paragraph specification<br>
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5. Time zone table<br>
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6. Examples<br>
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A. References<br>
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B. History<br>
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----------------------------------------------------------------------</p>
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<p><br>
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Status of this document<br>
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-----------------------</p>
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<p> This document is a Fidonet Technical Standard (FTS), issued by the<br>
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FTSC for the benefit of the Fidonet community.</p>
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<p> This document is based on the FSP-1001 proposal by Odinn Sorensen,<br>
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2:236/77.<br>
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<br>
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This document is released to the public domain, and may be used,<br>
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copied or modified for any purpose whatsoever.</p>
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<p><br>
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1. Introduction<br>
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---------------</p>
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<p> Current practice in FidoNet is to transmit message times in local<br>
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time. This document specifies a standard for transmission of time<br>
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zone information in FidoNet messages, in the form of a control<br>
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paragraph (also known as a "control line" or "kludge") named
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TZUTC.</p>
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<p><br>
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2. Scope<br>
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--------</p>
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<p> This standard is specified for the transmission of FidoNet messages<br>
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in any form where time zone information is not integrated into the<br>
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transport format, specifically any form where the information would<br>
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be lost if not transmitted in a control paragraph, eg. Type 2 packed<br>
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messages. [1]</p>
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<p><br>
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3. Current practice<br>
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-------------------</p>
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<p> Some control paragraphs already exist to specify the time zone of<br>
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messages, notably "TZUTC" and "TZUTCINFO". From observations
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of<br>
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these control paragraphs in actual messages, TZUTC and TZUTCINFO are<br>
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identical except for the name. TZUTCINFO is probably named after<br>
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the JAM message base's [2] subfield of the same name.</p>
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<p> This document adopts the TZUTC control paragraph because is the<br>
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shortest ("TZUTC" vs "TZUTCINFO"). However, software<br>
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implementations should be prepared to read and interpret the<br>
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TZUTCINFO control paragraph as well.</p>
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<p> The TZUTC control paragraph is inserted before the message body<br>
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upon initial message creation, or export from a format containing<br>
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time zone information, such as the aforementioned JAM message base.</p>
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<p><br>
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4. Control paragraph specification<br>
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-----------------------------</p>
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<p> Messages which conform to this specification must add the following<br>
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control paragraph:</p>
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<p> ^aTZUTC: <current offset from UTC></p>
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<p> Where ^a is ASCII 1, 01h.</p>
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<p> The offset has the format <[-]hhmm>, where hhmm is the number of<br>
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hours and minutes, zero-padded to two digits each, that local time<br>
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is offset from UTC. If local time is WEST of UTC, then the offset<br>
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is NEGATIVE. See the table below for typical offsets.</p>
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<p> Note that the hh in a time zone offset is not limited to a maximum<br>
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of 12. This is because the International Date Line does not run<br>
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exactly along the boundary between zone -1200 and +1200. The<br>
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minutes part is 00 for most time zones.</p>
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<p> All four digits must be present. If the offset is negative, there<br>
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must be a minus ('-', ASCII 45, 2Dh) in front of the offset.</p>
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<p> Implementations must NOT put a plus ('+', ASCII 43, 2Bh) in front of<br>
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the offset for positive numbers, but robust implementations should<br>
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be prepared to find (and ignore) a plus if it exists.</p>
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<p> If local time changes as a result of, for example, daylight savings<br>
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time, then the offset in the TZUTC control paragraph should change<br>
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to reflect this.</p>
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<p><br>
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5. Time zone table<br>
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------------------</p>
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<p> This table gives examples of typical time zones.</p>
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<p> -1000 Alaska-Hawaii Standard Time (United States)<br>
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-0900 Hawaii Daylight Time<br>
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-0800 Pacific Standard Time<br>
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-0700 Pacific Daylight Time<br>
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-0700 Mountain Standard Time<br>
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-0600 Mountain Daylight Time<br>
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-0600 Central Standard Time<br>
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-0500 Central Daylight Time<br>
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-0500 Eastern Standard Time<br>
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-0400 Eastern Daylight Time<br>
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-0400 Atlantic Standard Time<br>
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-0330 Newfoundland Standard Time<br>
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-0300 Atlantic Daylight Time<br>
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-0100 West Africa Time<br>
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0000 Universal Time Coordinated (UTC)<br>
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0000 Greenwich Mean Time<br>
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0100 Central European Time<br>
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0100 British Summer Time<br>
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0200 Central European Summer Time<br>
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0200 Eastern European Time<br>
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0800 Australian Western Standard Time<br>
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0800 China Coast Time<br>
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0900 Japan Standard Time<br>
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0900 Australian Western Daylight Time<br>
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0930 Australian Central Standard Time<br>
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1000 Australian Eastern Standard Time<br>
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1030 Australian Central Daylight Time<br>
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1100 Australian Eastern Daylight Time<br>
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1200 New Zealand Standard Time<br>
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1300 New Zealand Daylight Time</p>
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<p><br>
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6. Examples<br>
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-----------</p>
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<p> ^aTZUTC: 0000<br>
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^aTZUTC: 0200<br>
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^aTZUTC: -0700</p>
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<p><br>
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A. References<br>
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-------------</p>
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<p> [1] "A Basic FidoNet(r) Technical Standard Revision 16", Randy Bush.<br>
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September 1995.</p>
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<p> [2] "The JAM message base proposal", Joaquim Homrighausen, Andrew<br>
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Milner, Mats Birch and Mats Wallin. July 1993.</p>
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<p><br>
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B. History<br>
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----------</p>
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<p> Rev.1, 20030409: First release (revised from FSP-1001 by FTSC)<br>
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Rev.2, 20030516: Corrected status; clarified Section 2 on insertion<br>
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position and export practice; fixed terminology.</p>
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<p>**********************************************************************<br>
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</p>
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</body>
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</html>
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