September 2008 - tz - lists.iana.org

Olsen DB implementation issues
by Ian Davies Sept. 10, 2008

Sept. 10, 2008

Greetings, Any assistance and/or further leads on this matter would be greatly appreciated. I have some issues with implementing DST rules from the Olsen DB via the data fetched from the JRE 6.0 Olsen says that DST change in Central Europe is at 1am, however in Germany and all other countries in this time zone convention says it is always at 3am, when the time moves to 2am Central European Time [Europe/Paris, UTC+1hrs] Olsen/JRE DST end rule >>>> Last Sunday of Oct at 0100 hrs MicroSoft DST end rule >>>> 26/10/2008 03:00 (apparently correct also) This appears to be the Olsen DB in error, or are the Olsen times actually in UTC? This would explain as at that time UTC 0100 would in fact be CET 0300 at the point when CET is rolled back one hour? Best regards, Ian Davies ------------------------------------------------- Ian Davies Manager, Internationalisation & Localisation PartyGaming iand(a)partygaming.com Yahoo! IM: ianbingofish Mobile: +34 687898027 Office +350 200 78700 ext7060 http://www.partygaming.com <http://www.partygaming.com/> ------------------------------------------------- ------------------------------------------------- Ian Davies Product Manager, Internationalisation PartyGaming iand(a)partygaming.com Yahoo! IM: ianbingofish Mobile: +34 687898027 Office +350 200 78700 ext7060 http://www.partygaming.com <http://www.partygaming.com/> -------------------------------------------------

1 0

Brazil changes - new "perennial" DST rules
by Frederico A C Neves Sept. 10, 2008

Sept. 10, 2008

Acording to this decree http://www.planalto.gov.br/ccivil_03/_Ato2007-2010/2008/Decreto/D6558.htm The DST period in Brazil now on will be from the 3rd Oct Sunday to the 3rd Feb Sunday. There is an exception on the return date when this is the Carnival Sunday then the return date will be the next Sunday. Attached proposed diffs for the current Southamerica file and a script to calculate the exceptions. Regards, Frederico Neves

1 0

Uncertain usage/scope of a possibly standard timezone name 'MEZ-1MSZ'
by Stephen A Hellberg Sept. 10, 2008

Sept. 10, 2008

Hello, I'm not a member of the distribution list, although I believe my enquiry is covered by its scope, and I wonder whether you might be able to circulate my enquiry (and return any replies) as my own research has failed to identify an answer. I'm trying to service a request to recognise the standard timezone name of 'MEZ-1MSZ', but I've so far not found any documentation to support or define the scope if this is an acceptable POSIX TZ value and a standard timezone name. The suggestion has been made that MSZ is a widely(?) employed alias (in some region(s) of the Gernan speaking world?) for MESZ that is standardly defined for "Mitteleuropäische Sommerzeit" (GMT+0200); MEZ being an accepted acronym for "Mitteleuropäische Zeit". And, I whilst I can find instances for the use of the standard(?) 'MEZ-1MSZ-2' I have been unsuccessful in locating any equivalence for 'MEZ-1MSZ' itself. Is MSZ equivalent and a widely accepted acronym matching MESZ, and if so where and how typical is its use? How does it differ to the 'MEZ-1MSZ-2' standard? Can you/anyone advise on the practice of employing 'MEZ-1MSZ' as a POSIX TZ value or indeed how prevalent its use is, or in which region (likely related to honouring DST somewhere in the vicinity of Berlin?) and whether this is directly equivalent to other common/standard names, such as CET-1CEST? What should its Olson equivalent be? (Whilst my inconclusive researches have been more extensive, support for the above statement appears available readily here (amongst other places): http://www.timeanddate.com/library/abbreviations/timezones/eu/cet.html http://www.timeanddate.com/library/abbreviations/timezones/eu/cest.html http://www.all-acronyms.com/special/time_zone_acronyms_and_abbreviations.asp http://de.wikipedia.org/wiki/Zeitzone ) Thank you in anticipation, Stephen --- Stephen Hellberg Java L3 Service, IBM Hursley Email: hellbes(a)uk.ibm.com Unless stated otherwise above: IBM United Kingdom Limited - Registered in England and Wales with number 741598. Registered office: PO Box 41, North Harbour, Portsmouth, Hampshire PO6 3AU

1 0

Database
by Bruce E. McCormick Sept. 9, 2008

Sept. 9, 2008

1 0

Geographical extent of some tz timezones
by Eric Muller Sept. 9, 2008

Sept. 9, 2008

I am trying to clarify the geographical extent of tz timezones. For the most part, the data files provide this information, but there are a few cases which are not entirely clear. Here are a few questions; once we figure out the answers, I'll be happy to propose updates to the tz files to capture the results (in comments, of course). Thanks in advance, Eric. --- Democratic Republic of Congo. Is it correct that: The zone Africa/Kinshasa covers the (pre-2009) provinces of Bas-Congo, Kinshasa, Bandundu, and Equateur. The zone Africa/Lubumbashi covers the remainder of the Democratic Republic of Congo. ---- Kazakhstan, using the names at <http://en.wikipedia.org/wiki/Kazakstan#Provinces>. Is it correct that: Asia/Almaty = Kostanay, Karagandy, South Kaz and everything east of them Asia/Qyzylorda = Kyzylorda Asia/Aqtobe = Aktobe Asia/Aqtau = Mangystau Asia/Oral = West Kazakhstan The Atyrau province is not mentioned explictly, and given its location, it should be in one of the last three time zones, but which one? --- Indonesia. Is it correct that: Asia/Jakarta is the island of Sumatra, the island of Java. Asia/Pontianak is the provinces of West Kalimantan (Kalimantan Barat) and Central Kalimantan (Kalimantan Tengah). Asia/Makassar is the island of Sulawesi, the Lesser Sunda islands (Bali, East Nusa Tenggara, West Nusa Tenggara), the provinces of East Kalimantan, South Kalimantan. Asia/Jayapura is the provinces of Maluku, North Maluku, Papua and West Papua. --- Uzbekistan. What is the boundary between Asia/Samarkand and Asia/Tashkent? --- Marshall Islands. What is the division into Pacific/Majuro and Pacific/Kwajalein? is the later just the Kwajalein island, as this 1993 NY Times article suggests? <http://query.nytimes.com/gst/fullpage.html?res=9F0CE1D6163EF931A1575BC0A965…> --- Ukraine: what is the division of Ukraine in its four time zones, preferably in terms of the administrative divisions (e.g. <http://en.wikipedia.org/wiki/Administrative_divisions_of_Ukraine>)? --- Spain: Does the Africa/Ceuta timezone apply to all the "Plazas de soberania" or just to Ceuta proper? If the later, what is the time zone for the other places? (See <http://en.wikipedia.org/wiki/Plaza_de_soberan%C3%ADa> for a map.) --- China: the descriptions of Asia/Chongqing and Asia/Urumqui both include "west Qinghai". Shouldn't it be "east Qinghai" for Asia/Chongqing? The Asia/Urumqi zone is described as including counties of Guangdong. That seems awfully far to the east of the other areas included in that time zone. Inner Mongolia is divided between Asia/Chongqing and Asia/Shanghai. What is the division in terms of the administrative regions at <http://en.wikipedia.org/wiki/List_of_administrative_divisions_of_Inner_Mong…>? Tibet and Xinjiang are divided between Asia/Urumqi and Asia/Kashgar. What is their division in terms of the administrative regions at <http://en.wikipedia.org/wiki/List_of_administrative_divisions_of_Tibet_Auto…> and <http://en.wikipedia.org/wiki/List_of_administrative_divisions_of_Xinjiang>? --- Greenland and Antartica: what would good areas for the zones? Should they be narrow (i.e. around "inhabited" places) or wide (i.e. form a partition of the land)? --- PS. I am still nibbling at a shapefile of tz timezones for the world, which I will make available eventually. Right now, I managed to reconstruct the bulk of it from the VMAP0 data, and thereby establish a clear traceability of the map.

5 6

Argentina will start DST on Sunday October 19, 2008
by Alexander Krivenyshev Sept. 5, 2008

Sept. 5, 2008

As per message from Carlos Alberto Fonseca Arauz (Nicaragua), Argentina will start DST on Sunday October 19, 2008. http://www.worldtimezone.com/dst_news/dst_news_argentina03.html OR http://www.impulsobaires.com.ar/nota.php?id=57832 (in spanish) Regards, Alexander Krivenyshev, http://www.WorldTimeZone.com

1 0

Olson Time Zone Database Converted to Windows Standard Time
by Tim Davis Sept. 3, 2008

Sept. 3, 2008

Hi Guys, Thought you might find this interesting. As part of an OpenID implementation I am doing, I needed the Olson TZ Database converted to Windows 'Standard' Format. I couldn't find anything online so I did it myself and have released it under an ISC Licence (http://en.wikipedia.org/wiki/ISC_license) Basically, you are free to with it what you will as long as this notice remains. I'm sure there are going to errors here and there and if you do use it - I'd appreciate a quick email with anything that is wrong or that you have updated so I can update the file and share these updates with everyone else. It's available via the link below for download as a *.xls or *.xlsx. http://www.timdavis.com.au/2008/09/03/olson-time-zone-database-to-standard-… Any feedback is welcomed and appreciated. Cheers, Tim

2 1

tz database's FTP distribution
by Roman Sept. 3, 2008

Sept. 3, 2008

Greetings! At the page http://www.twinsun.com/tz/tz-link.htm there is a reference to FTP distribution <ftp://elsie.nci.nih.gov/pub> location from where tz db can be downloaded. Currently the folder ftp://elsie.nci.nih.gov/pub is empty. Could you please fix the ftp location link to enable downloading the db? Thanks, Roman

1 0

RE: Pakistan extends DST through end of October?
by Paul Goyette Sept. 1, 2008

Sept. 1, 2008

> I don't remember anyone posting about this recently, but one of > my customers indicates that Pakistan has extended their observance > of Daylight/Summer time through October 31st. Current data has > DST expiring a few hours ago, at 0:00 this morning, local time. I > don't have any official reference at which I can point to document > the extension. > > Does anyone know if this is official? And if so, when might we > see an update tzdata distribution? I found the following reference which seems to confirm my customer's information: http://www.timeanddate.com/news/time/pakistan-extends-dst-2008.html

1 0

Pakistan extends DST through end of October?
by Paul Goyette Sept. 1, 2008

Sept. 1, 2008

I don't remember anyone posting about this recently, but one of my customers indicates that Pakistan has extended their observance of Daylight/Summer time through October 31st. Current data has DST expiring a few hours ago, at 0:00 this morning, local time. I don't have any official reference at which I can point to document the extension. Does anyone know if this is official? And if so, when might we see an update tzdata distribution? Paul Goyette Juniper Networks Customer Service JTAC Senior Escalation Engineer Juniper Security Incident Response Team PGP Key ID 0x53BA7731 Fingerprint: FA29 0E3B 35AF E8AE 6651 0786 F758 55DE 53BA 7731

1 0

Pakistan (Asia/Karachi) Time zone updated settings
by Lal Kumar Sept. 1, 2008

Sept. 1, 2008

Hello; Kindly incorporate this updated file in the tzdata.tar.gz for the updated settings for Pakistan as due to Day Light Time savings the time will be at GMT + 5 +1 (Day Light Time savings) till October 31st' 2008. Regards

1 0