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time zone data
by Christina Lawrence Nov. 8, 2001

Nov. 8, 2001

Would it be possible to include me in your mailing lists? Thank you! Christina

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IERS Message No. 15: Call for Proposals
by central_bureau＠iers.org Oct. 31, 2001

Oct. 31, 2001

*************************************************************************** IERS Message No. 15 October 31, 2001 *************************************************************************** Call for Proposals Establishing the Special Bureau for Loading (SBL) in the Global Geophysical Fluids Center (GGFC), International Earth Rotation Service (IERS) Under the direction of its Directing Board, the IERS Central Bureau is releasing this Call for Proposal, whose purpose is to establish a new Special Bureau for Loading (SBL) in the IERS Global Geophysical Fluids Center (GGFC). What is solicited is the "willingness, readiness, and capability" that will take the leadership role in this effort and the ensuing service functions and operations. The lead proposer, under his/her organizational/institutional support, is expected to become the Head of the new SBL, joining GGFC and working very closely with the existing seven other Special Bureaus (SBs). Note that IERS itself assumes no direct financial responsibility. The complete text of the call with detailed information on objectives, guidelines, deadline for submission, and background information about IERS GGFC can be found at http://www.iers.org/documents/sblcfp/sblcfp.pdf (PDF document) or http://www.iers.org/documents/sblcfp/sblcfp.doc (WORD document) or is available on request. IERS Central Bureau Bundesamt fuer Kartographie und Geodaesie Richard-Strauss-Allee 11 60598 Frankfurt am Main Germany phone : +49-69-6333-273/261/250 fax : +49-69-6333-425 e-mail: central_bureau(a)iers.org URL : www.iers.org *************************************************************************** IERS Messages are edited and distributed by the IERS Central Bureau. To subscribe or unsubscribe, please write to <central_bureau(a)iers.org>. Archives: http://www.iers.org/iers/publications/messages/ ***************************************************************************

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Location of `Theory' file
by Garrett Wollman Oct. 30, 2001

Oct. 30, 2001

Back in the mists of ancient time, the rules for time zone names were stated at the beginning of the `africa' file in tzdata. At some point, this explanatory text was moved to the `Theory' file, which lives in tzcode. Since many people use only the data and not the code, I'd like to suggest that the `Theory' file be moved to tzdata so that it is more closely linked with the information it describes. -GAWollman

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WHEN IS DAYLIGHT SAVINGS TIME
by SFlores886113207＠aol.com Oct. 22, 2001

Oct. 22, 2001

JUST TRYING TO FIND OUT WHEN WE CHANGE ARE CLOCKS

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reading time zone information
by qmk Oct. 20, 2001

Oct. 20, 2001

Hi There I need to obtain the current time zone information (including DST start/end dates) for about 6 cities, so I downloaded your comprehensive database. However, I'm having difficulty understanding the format. I was wondering if the database comes in a simple text file format that can be easily understood. For example, a list of city names, and for each city, the following information (only the current information, I don't need historical information): * UTC difference (for example, plus 10 hours) * DST difference (plus 1 hour) * DST starting day (for example, second Sunday in January at 2am) * DST ending day (in standard local time) That would be really helpful. Alternatively, if it's not too much trouble, could I give you the city names and you could tell me the above info for each city? I tried to read the text files myself but I can't understand it. Even if I get what I think is the correct DST start/end dates, I have no idea whether I've read it correctly because the format is too complicated. Thanks. --

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Possible tiny bug in tzcode
by Damon Chaplin Oct. 19, 2001

Oct. 19, 2001

While testing my iCalendar timezone code against mktime/localtime I think I found a tiny error. (This is on RedHat Linux 7.1, with tzcode/data2001a) In Asia/Bishkek, when converting 11 Apr 1992 18:30:00 UTC into local time it outputs 'Sun Apr 12 00:30:00 1992'. (Any UTC time between 18:00 and 19:00 seems to be incorrect.) But clocks go forward at 0:00 local time by 1 hour, so I don't think that time should exist. (I may have missed something, though. This timezone stuff does get a bit too confusing!) I've attached a little test program. Damon

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tzcode2001d.tar.gz and tzdata2001d.tar.gz
by Olson, Arthur David (NCI) Oct. 13, 2001

Oct. 13, 2001

The files ftp://elsie.nci.nih.gov/pub/tzcode2001d.tar.gz and ftp://elsie.nci.nih.gov/pub/tzdata2001d.tar.gz are now available. These incorporate the changes circulated last week on the time zone mailing list by Paul Eggert. --ado

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FW: corrections to the Brazil timezone data
by Olson, Arthur David (NCI) Oct. 13, 2001

Oct. 13, 2001

Otavio Exel is not on the time zone mailing list; direct replies appropriately. --ado -----Original Message----- From: Otavio Exel [mailto:oexel@economatica.com.br] Sent: Wednesday, October 10, 2001 8:26 AM To: tz(a)elsie.nci.nih.gov Subject: corrections to the Brazil timezone data dear TZ, I'm reporting an error in the Brazil timezone data I just downloaded from ftp://elsie.nci.nih.gov/pub/tzdata2001d.tar.gz according to the <a href="http://pcdsh01.on.br/HvInic01.htm">Brazilian official page</a> on the subject of DST: DST start: 2001-10-14T00:00:00 DST end: 2002-02-17T00:00:00 unfortunately I'm not familiar with the format of this file so I don't dare send you a corrected version; my best guess is that the corrections needed are: $ diff -u southamerica.orig southamerica --- southamerica.orig Wed Oct 10 09:51:50 2001 +++ southamerica Wed Oct 10 10:11:53 2001 @@ -414,8 +414,14 @@ # # For dates after mid-2002, the following rules are guesses # and are quite possibly wrong, but are more likely than no DST at all. -Rule Brazil 2000 max - Oct Sun>=8 0:00 1:00 S -Rule Brazil 2001 max - Feb Sun>=15 0:00 0 - +Rule Brazil 2000 only - Oct Sun>=15 0:00 1:00 S +Rule Brazil 2001 only - Feb Sun>=15 0:00 0 - +# +# From Otavio Exel <oexel(a)economatica.com.br> (2001-10-10): +# according to the <a href="http://pcdsh01.on.br/HvInic01.htm">Brazilian +# official page</a> on the subject of DST +Rule Brazil 2001 only - Oct Sun>=14 0:00 1:00 S +Rule Brazil 2002 only - Feb Sun>=17 0:00 0 - []s, -- Otavio Exel /<\oo/>\ oexel(a)economatica.com.br

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corrections to the Brazil timezone data
by Otavio Exel Oct. 10, 2001

Oct. 10, 2001

dear TZ, I'm reporting an error in the Brazil timezone data I just downloaded from ftp://elsie.nci.nih.gov/pub/tzdata2001d.tar.gz according to the <a href="http://pcdsh01.on.br/HvInic01.htm">Brazilian official page</a> on the subject of DST: DST start: 2001-10-14T00:00:00 DST end: 2002-02-17T00:00:00 unfortunately I'm not familiar with the format of this file so I don't dare send you a corrected version; my best guess is that the corrections needed are: $ diff -u southamerica.orig southamerica --- southamerica.orig Wed Oct 10 09:51:50 2001 +++ southamerica Wed Oct 10 10:11:53 2001 @@ -414,8 +414,14 @@ # # For dates after mid-2002, the following rules are guesses # and are quite possibly wrong, but are more likely than no DST at all. -Rule Brazil 2000 max - Oct Sun>=8 0:00 1:00 S -Rule Brazil 2001 max - Feb Sun>=15 0:00 0 - +Rule Brazil 2000 only - Oct Sun>=15 0:00 1:00 S +Rule Brazil 2001 only - Feb Sun>=15 0:00 0 - +# +# From Otavio Exel <oexel(a)economatica.com.br> (2001-10-10): +# according to the <a href="http://pcdsh01.on.br/HvInic01.htm">Brazilian +# official page</a> on the subject of DST +Rule Brazil 2001 only - Oct Sun>=14 0:00 1:00 S +Rule Brazil 2002 only - Feb Sun>=17 0:00 0 - []s, -- Otavio Exel /<\oo/>\ oexel(a)economatica.com.br

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FW: timezone
by Olson, Arthur David (NCI) Oct. 9, 2001

Oct. 9, 2001

German Iofis is not on the time zone mailing list; direct replies appropriately. (Note that "E-EurAsia" is used even in the most recent version of the "asia" file posted today.) --ado -----Original Message----- From: German.Iofis(a)elsi.kz [mailto:German.Iofis@elsi.kz] Sent: Tuesday, October 09, 2001 2:04 AM To: 'tz(a)elsie.nci.nih.gov' Subject: timezone Good day! When I`m setting timezone for Kazakhstan, I`m use file asia under Solaris 8 04/01 from dir: /usr/share/lib/timezone/src. This file not correct in part where discribed lower: # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Asia/Almaty 5:07:48 - LMT 1924 May 2 # or Alma-Ata 5:00 - ALMT 1957 Mar # Alma-Ata Time 6:00 RussiaAsia ALM%sT 1991 Mar 31 2:00s 5:00 1:00 ALMST 1991 Sep 29 2:00s 5:00 - ALMT 1992 Jan 19 2:00s 6:00 E-EurAsia ALM%sT Zone Asia/Aqtobe 3:48:40 - LMT 1924 May 2 4:00 - AKT 1957 Mar # Aktyubinsk Time 5:00 RussiaAsia AK%sT 1991 Mar 31 2:00s 4:00 1:00 AKTST 1991 Sep 29 2:00s 4:00 - AQTT 1992 Jan 19 2:00s # Aqtobe Time 5:00 E-EurAsia AQT%sT Zone Asia/Aqtau 3:21:04 - LMT 1924 May 2 # or Aktau 4:00 - SHET 1957 Mar # Fort Shevchenko Time 5:00 RussiaAsia SHE%sT 1991 Mar 31 2:00s 4:00 1:00 AQTST 1991 Sep 29 2:00s 4:00 - AQTT 1992 Jan 19 2:00s # Aqtau Time 5:00 E-EurAsia AQT%sT 1995 Sep lastSun 4:00 E-EurAsia AQT%sT I`m change E-EurAsia to RussiaAsia and now all right! See correct file: <<asia>> Best regards! ======================================= German Iofis, Chief Sun/Solaris division ELSI Tech Co., 13, Shevchenko St., Almaty, 480100, Kazakhstan Tel. 7-3272-919227 Fax. 7-3272-915979

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