From olsona@lecserver.nci.nih.gov Sat Dec 12 10:12:58 2009 From: Arthur David Olson To: tz@iana.org Subject: proposed time zone package changes Date: Sat, 12 Dec 2009 10:12:58 -0500 Message-ID: <200912121512.nBCFCwWP007591@lecserver.nci.nih.gov> MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="===============8741757879426970891==" --===============8741757879426970891== Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Below are proposed changes to the time zone package; none of these changes affect binary files. The executive summary: Theory "Calendrical Calculations" updated (thanks to Steve Ward). asia Hong Kong comments corrected; Xinjiang comments added. europe Russian region comments updated (thanks to Oscar van Vlijmen) tz-art.htm Added Luciana Souza's "Tide." tz-link.htm Added "Simple Timer + Clocks" (thanks to George Bradt). tzfile.5 Typo fixed (thanks to Steve Ward). zone.tab version change only If no problems are found, these changes will appear in the ftpable packages on 2009-12-21. --ado diff -r -c old/Theory new/Theory *** old/Theory Wed Oct 21 09:12:41 2009 --- new/Theory Sat Dec 12 09:11:32 2009 *************** *** 1,4 **** ! @(#)Theory 8.3 This file is in the public domain, so clarified as of 2009-05-17 by Arthur David Olson. =20 --- 1,4 ---- ! @(#)Theory 8.4 This file is in the public domain, so clarified as of 2009-05-17 by Arthur David Olson. =20 *************** *** 360,369 **** Calendrical issues are a bit out of scope for a time zone database, but they indicate the sort of problems that we would run into if we extended the time zone database further into the past. An excellent ! resource in this area is Edward M. Reingold and Nachum Dershowitz, ! ! Calendrical Calculations: The Millennium Edition ! , Cambridge University Press (2001). Other information and sources are given below. They sometimes disagree. =20 =20 --- 360,369 ---- Calendrical issues are a bit out of scope for a time zone database, but they indicate the sort of problems that we would run into if we extended the time zone database further into the past. An excellent ! resource in this area is Nachum Dershowitz and Edward M. Reingold, ! ! Calendrical Calculations: Third Edition ! , Cambridge University Press (2008). Other information and sources are given below. They sometimes disagree. =20 =20 diff -r -c old/asia new/asia *** old/asia Thu Oct 29 07:12:14 2009 --- new/asia Sat Dec 12 08:39:40 2009 *************** *** 1,4 **** ! # @(#)asia 8.44 # This file is in the public domain, so clarified as of # 2009-05-17 by Arthur David Olson. =20 --- 1,4 ---- ! # @(#)asia 8.48 # This file is in the public domain, so clarified as of # 2009-05-17 by Arthur David Olson. =20 *************** *** 363,368 **** --- 363,431 ---- # West Xinjiang, including Aksu, Atushi, Yining, Hetian, Cele, Luopu, Nilek= e, # Zhaosu, Tekesi, Gongliu, Chabuchaer, Huocheng, Bole, Pishan, Suiding, # and Yarkand. +=20 + # From Luther Ma (2009-10-17): + # Almost all (>99.9%) ethnic Chinese (properly ethnic Han) living in + # Xinjiang use Chinese Standard Time. Some are aware of Xinjiang time, + # but have no need of it. All planes, trains, and schools function on + # what is called "Beijing time." When Han make an appointment in Chinese + # they implicitly use Beijing time. + # + # On the other hand, ethnic Uyghurs, who make up about half the + # population of Xinjiang, typically use "Xinjiang time" which is two + # hours behind Beijing time, or UTC +0600. The government of the Xinjiang + # Uyghur Autonomous Region, (XAUR, or just Xinjiang for short) as well as + # local governments such as the Urumqi city government use both times in + # publications, referring to what is popularly called Xinjiang time as + # "Urumqi time." When Uyghurs make an appointment in the Uyghur language + # they almost invariably use Xinjiang time. + # + # (Their ethnic Han compatriots would typically have no clue of its + # widespread use, however, because so extremely few of them are fluent in + # Uyghur, comparable to the number of Anglo-Americans fluent in Navajo.) + # + # (...As with the rest of China there was a brief interval ending in 1990 + # or 1991 when summer time was in use. The confusion was severe, with + # the province not having dual times but four times in use at the same + # time. Some areas remained on standard Xinjiang time or Beijing time and + # others moving their clocks ahead.) + # + # ...an example of an official website using of Urumqi time. + # + # The first few lines of the Google translation of + # + # http://www.fjysgl.gov.cn/show.aspx?id=3D2379&cid=3D39 + # + # (retrieved 2009-10-13) + # > Urumqi fire seven people are missing the alleged losses of at least + # > 500 million yuan + # > + # > (Reporter Dong Liu) the day before 20:20 or so (Urumqi Time 18:20), + # > Urumqi City Department of International Plaza Luther Qiantang River + # > burst fire. As of yesterday, 18:30, Urumqi City Fire officers and men + # > have worked continuously for 22 hours... +=20 + # From Luther Ma (2009-11-19): + # With the risk of being redundant to previous answers these are the most c= ommon + # English "transliterations" (w/o using non-English symbols): + # + # 1. Wulumuqi... + # 2. Kashi... + # 3. Urumqi... + # 4. Kashgar... + # ... + # 5. It seems that Uyghurs in Urumqi has been using Xinjiang since at least= the + # 1960's. I know of one Han, now over 50, who grew up in the surrounding + # countryside and used Xinjiang time as a child. + # + # 6. Likewise for Kashgar and the rest of south Xinjiang I don't know of any + # start date for Xinjiang time. + # + # Without having access to local historical records, nor the ability to leg= ally + # publish them, I would go with October 1, 1949, when Xinjiang became the U= yghur + # Autonomous Region under the PRC. (Before that Uyghurs, of course, would a= lso + # not be using Beijing time, but some local time.) +=20 Zone Asia/Kashgar 5:03:56 - LMT 1928 # or Kashi or Kaxgar 5:30 - KAST 1940 # Kashgar Time 5:00 - KAST 1980 May *************** *** 370,377 **** =20 =20 # From Lee Yiu Chung (2009-10-24): ! # I found there are some mistakes for the historial DST rule for Hong ! # Kong. Accoring to the DST record from Hong Kong Observatory (actually, # it is not [an] observatory, but the official meteorological agency of HK, # and also serves as the official timing agency), there are some missing # and incorrect rules. Although the exact switch over time is missing, I --- 433,440 ---- =20 =20 # From Lee Yiu Chung (2009-10-24): ! # I found there are some mistakes for the...DST rule for Hong ! # Kong. [According] to the DST record from Hong Kong Observatory (actually, # it is not [an] observatory, but the official meteorological agency of HK, # and also serves as the official timing agency), there are some missing # and incorrect rules. Although the exact switch over time is missing, I diff -r -c old/europe new/europe *** old/europe Thu Oct 29 07:14:18 2009 --- new/europe Sat Dec 12 10:02:17 2009 *************** *** 1,5 **** #
! # @(#)europe	8.24
  # This file is in the public domain, so clarified as of
  # 2009-05-17 by Arthur David Olson.
 =20
--- 1,5 ----
  # 
! # @(#)europe	8.25
  # This file is in the public domain, so clarified as of
  # 2009-05-17 by Arthur David Olson.
 =20
***************
*** 2130,2141 ****
  # From Oscar van Vlijmen (2003-10-18): [This region consists of]
  # Aginskij Buryatskij avtonomnyj okrug, Amurskaya oblast',
  # [parts of] Respublika Sakha (Yakutiya), Chitinskaya oblast'.
  # The Sakha districts are: Aldanskij, Amginskij, Anabarskij,
! # Bulunskij, Verkhnekolymskij, Verkhnevilyujskij, Vilyujskij, Gornyj,
  # Zhiganskij, Kobyajskij, Lenskij, Megino-Kangalasskij, Mirninskij,
! # Namskij, Nyurbinskij, Olenekskij, Olekminskij, Srednekolymskij,
  # Suntarskij, Tattinskij, Ust'-Aldanskij, Khangalasskij,
! # Churapchinskij, Eveno-Bytantajskij.
  Zone Asia/Yakutsk	 8:38:40 -	LMT	1919 Dec 15
  			 8:00	-	YAKT	1930 Jun 21 # Yakutsk Time
  			 9:00	Russia	YAK%sT	1991 Mar 31 2:00s
--- 2130,2149 ----
  # From Oscar van Vlijmen (2003-10-18): [This region consists of]
  # Aginskij Buryatskij avtonomnyj okrug, Amurskaya oblast',
  # [parts of] Respublika Sakha (Yakutiya), Chitinskaya oblast'.
+=20
+ # From Oscar van Vlijmen (2009-11-29):
+ # ...some regions of RUssia were merged with others since 2005...
+ # Some names were changed, no big deal, except for one instance: a new name.
+ # YAK/YAKST: UTC+9 Zabajkal'skij kraj.
+=20
+ # From Oscar van Vlijmen (2009-11-29):
  # The Sakha districts are: Aldanskij, Amginskij, Anabarskij,
! # Verkhnevilyujskij, Vilyujskij, Gornyj,
  # Zhiganskij, Kobyajskij, Lenskij, Megino-Kangalasskij, Mirninskij,
! # Namskij, Nyurbinskij, Olenyokskij, Olyokminskij,
  # Suntarskij, Tattinskij, Ust'-Aldanskij, Khangalasskij,
! # Churapchinskij, Eveno-Bytantajskij Natsional'nij.
!=20
  Zone Asia/Yakutsk	 8:38:40 -	LMT	1919 Dec 15
  			 8:00	-	YAKT	1930 Jun 21 # Yakutsk Time
  			 9:00	Russia	YAK%sT	1991 Mar 31 2:00s
***************
*** 2145,2151 ****
  # From Oscar van Vlijmen (2003-10-18): [This region consists of]
  # Evrejskaya avtonomnaya oblast', Khabarovskij kraj, Primorskij kraj,
  # [parts of] Respublika Sakha (Yakutiya).
! # The Sakha districts are: Verkhoyanskij, Tomponskij, Ust'-Majskij,
  # Ust'-Yanskij.
  Zone Asia/Vladivostok	 8:47:44 -	LMT	1922 Nov 15
  			 9:00	-	VLAT	1930 Jun 21 # Vladivostok Time
--- 2153,2161 ----
  # From Oscar van Vlijmen (2003-10-18): [This region consists of]
  # Evrejskaya avtonomnaya oblast', Khabarovskij kraj, Primorskij kraj,
  # [parts of] Respublika Sakha (Yakutiya).
!=20
! # From Oscar van Vlijmen (2009-11-29):
! # The Sakha districts are: Bulunskij, Verkhoyanskij, Tomponskij, Ust'-Majsk=
ij,
  # Ust'-Yanskij.
  Zone Asia/Vladivostok	 8:47:44 -	LMT	1922 Nov 15
  			 9:00	-	VLAT	1930 Jun 21 # Vladivostok Time
***************
*** 2166,2173 ****
  # From Oscar van Vlijmen (2003-10-18): [This region consists of]
  # Magadanskaya oblast', Respublika Sakha (Yakutiya).
  # Probably also: Kuril Islands.
! # The Sakha districts are: Abyjskij, Allaikhovskij, Momskij,
! # Nizhnekolymskij, Ojmyakonskij.
  Zone Asia/Magadan	10:03:12 -	LMT	1924 May  2
  			10:00	-	MAGT	1930 Jun 21 # Magadan Time
  			11:00	Russia	MAG%sT	1991 Mar 31 2:00s
--- 2176,2185 ----
  # From Oscar van Vlijmen (2003-10-18): [This region consists of]
  # Magadanskaya oblast', Respublika Sakha (Yakutiya).
  # Probably also: Kuril Islands.
!=20
! # From Oscar van Vlijmen (2009-11-29):
! # The Sakha districts are: Abyjskij, Allaikhovskij, Verkhhhnekolymskij, Mom=
skij,
! # Nizhnekolymskij, Ojmyakonskij, Srednekolymskij.
  Zone Asia/Magadan	10:03:12 -	LMT	1924 May  2
  			10:00	-	MAGT	1930 Jun 21 # Magadan Time
  			11:00	Russia	MAG%sT	1991 Mar 31 2:00s
diff -r -c old/tz-art.htm new/tz-art.htm
*** old/tz-art.htm	Wed Oct 28 13:19:00 2009
--- new/tz-art.htm	Sat Dec 12 10:04:50 2009
***************
*** 9,15 ****
  
  

Time and the Arts

! @(#)tz-art.htm 8.14

This file is in the public domain, so clarified as of --- 9,15 ----

Time and the Arts

! @(#)tz-art.htm 8.15

This file is in the public domain, so clarified as of *************** *** 227,233 **** --- 227,245 ---- AMG Rating4.5 stars ADO Rating1.5 stars NotesThe title song is also available on "Bob Dylan's Greatest = Hits" and "The Essential Bob Dylan." +   =20 + ArtistLuciana Souza + CDTide + Copyright Date2009 + LabelUniversal Jazz France + IDB0012688-02 + Total Time42:31 + AMG Rating3.5 stars + ADO Rating2.5 stars + NotesIncludes the song "Fire and Wood" with the lyric + "The clocks were turned back you remeber/Think it's still November." +   =20 TV episode titleThe Lost Hour diff -r -c old/tz-link.htm new/tz-link.htm *** old/tz-link.htm Wed Nov 4 10:00:47 2009 --- new/tz-link.htm Sat Dec 12 09:39:02 2009 *************** *** 18,24 ****

Sources for Time Zone and Daylight Saving Time Data

! @(#)tz-link.htm 8.23

This file is in the public domain, so clarified as of --- 18,24 ----

Sources for Time Zone and Daylight Saving Time Data

! @(#)tz-link.htm 8.24

This file is in the public domain, so clarified as of *************** *** 149,154 **** --- 149,157 ----

  • The World Time Engine also contains data about time zone boundaries; it supports queries via place names and shows location maps.
  • +
  • Simple Timer + Clocks<= /a> + is a Firefox add-on which uses a timezone data file generated from the + tz data files.
  • Other time zone database formats

      diff -r -c old/tzfile.5 new/tzfile.5 *** old/tzfile.5 Wed Oct 21 09:12:42 2009 --- new/tzfile.5 Sat Dec 12 09:05:09 2009 *************** *** 7,13 **** .SH DESCRIPTION The time zone information files used by .IR tzset (3) ! begin with the magic characters "TZif" to identify then as time zone information files, followed by a character identifying the version of the file's format (as of 2005, either an ASCII NUL or a '2') --- 7,13 ---- .SH DESCRIPTION The time zone information files used by .IR tzset (3) ! begin with the magic characters "TZif" to identify them as time zone information files, followed by a character identifying the version of the file's format (as of 2005, either an ASCII NUL or a '2') *************** *** 147,152 **** such instants). .SH SEE ALSO newctime(3) ! .\" @(#)tzfile.5 8.2 .\" This file is in the public domain, so clarified as of .\" 1996-06-05 by Arthur David Olson. --- 147,152 ---- such instants). .SH SEE ALSO newctime(3) ! .\" @(#)tzfile.5 8.3 .\" This file is in the public domain, so clarified as of .\" 1996-06-05 by Arthur David Olson. diff -r -c old/zone.tab new/zone.tab *** old/zone.tab Thu Oct 29 07:12:00 2009 --- new/zone.tab Sat Dec 12 09:57:09 2009 *************** *** 1,5 **** #
      ! # @(#)zone.tab	8.29
        # This file is in the public domain, so clarified as of
        # 2009-05-17 by Arthur David Olson.
        #
      --- 1,5 ----
        # 
      ! # @(#)zone.tab	8.31
        # This file is in the public domain, so clarified as of
        # 2009-05-17 by Arthur David Olson.
        #
      
      --===============8741757879426970891==--