|
|
| (5 intermediate revisions by the same user not shown) |
| Line 1: |
Line 1: |
| | {{IANA time zone database}} |
| == Abbreviations == | | == Abbreviations == |
| * proposal to change to [[Internationalized time point unique time zone abbreviations]] at http://mm.icann.org/pipermail/tz/2012-October/018362.html
| | [[IANA time zone database - time zone acronyms]] |
|
| |
|
| | == Bugs == |
| | [[IANA time zone database - bugs]] |
|
| |
|
| === Components that specify a location === | | ==Zone terminology== |
| * Sometimes the ISO 3166-1 alpha-2 country code (cc) is used, then the format often is ccT.
| | ---- |
| * Two letters for locality - xxT
| | Guy Harris 2013-09-18 23:37:48 http://mm.icann.org/pipermail/tz/2013-September/020284.html |
| ** Brazil - Fernando Noronha: FNT
| |
| * Two letter for locality - xxST
| |
| ** Lord Howe : LHST
| |
| * Two letters for locality - xx%sT
| |
| ** Several zone in Brazil that use Brasilia BRT (BR is also the country code)
| |
| | |
| Other:
| |
| Kampala:
| |
| 3:00 - EAT 1930
| |
| 2:30 - BEAT 1948
| |
| 2:45 - BEAUT 1957
| |
| Aruba (in ISO 3166-1 AW)
| |
| -4:00 - AST
| |
| GBGT 1966 May 26 # Br Guiana Time
| |
| NEGT 1975 Nov 20 # Dutch Guiana Time
| |
| | |
| === Components that do not specify a location ===
| |
| {| class="wikitable"
| |
| ! position from right
| |
| ! Letter
| |
| ! Meaning
| |
| ! Save
| |
| ! Occurrence
| |
| |-
| |
| | 1
| |
| | T
| |
| | Time
| |
| | N/A
| |
| | always
| |
| |-
| |
| | 2
| |
| | D
| |
| | Daylight (Saving)
| |
| | 1:00
| |
| | several
| |
| |-
| |
| | 2
| |
| | S
| |
| | Standard
| |
| | N/A
| |
| | several
| |
| |-
| |
| | 2
| |
| | S
| |
| | Summer
| |
| | 1:00
| |
| | europe file: e.g. BST British Summer Time, CEST Central European Summer Time
| |
| |-
| |
| | 2
| |
| | W
| |
| | War
| |
| | 1:00
| |
| | northamerica file: US and Mexico
| |
| |-
| |
| | 2
| |
| | P
| |
| | Peace
| |
| | 1:00
| |
| | northamerica file: US
| |
| |-
| |
| | 2
| |
| | M
| |
| | Mean
| |
| | N/A
| |
| |
| |
| * africa file: LMT # Lisbon Mean Time, FMT # Freetown Mean Time, PMT # Paris Mean Time
| |
| * europe file: MMT # Moscow Mean Time
| |
| * southamerica file: CMT # Cordoba Mean Time, CMT # Calamarca MT(!), QMT # Quito Mean Time, BMT # Bogota Mean Time, SMT # Stanley Mean Time, SMT # Santiago Mean Time, MMT # Montevideo MT(!), PMT # Paramaribo Mean Time, CMT # Caracas Mean Time
| |
| |-
| |
| | 2
| |
| | M
| |
| | Midsummer
| |
| | 2:00
| |
| | europe file: Moscow - M # Midsummer, also for Spain, France, Germany/SovietZone
| |
| |-
| |
| | 32
| |
| | LM
| |
| | Local Mean
| |
| | N/A
| |
| | several
| |
| |-
| |
| | 32
| |
| | DS
| |
| | Double Summer
| |
| | 2:00
| |
| | europe file: MDST # Moscow Double Summer Time, BDST - British Double Summer Time
| |
| |-
| |
| | 32
| |
| | DD
| |
| | Double Daylight (Saving)
| |
| | 2:00
| |
| | northamerica file: StJohns 1988)
| |
| |-
| |
| | 32
| |
| | HS
| |
| | Half Summer
| |
| | 0:30
| |
| |
| |
| * australasia file: Pacific/Rarotonga CK%sT and "HS"
| |
| * southamerica file: Uruguay
| |
| |-
| |
| | 32
| |
| | HS
| |
| | Half Summer
| |
| | 0:20
| |
| |
| |
| * africa file: Rule Ghana 1936-1942
| |
| |-
| |
| | 32
| |
| | HD
| |
| | Half Daylight (Saving)
| |
| | 0:30
| |
| |
| |
| * northamerica file: Rule Belize 1918-1942
| |
| * northamerica file: Rule DR 1969-1973
| |
| |}
| |
| | |
| == Bugs ==
| |
| Some fixes can be found at [[ANNA time zone database]].
| |
| {| class="wikitable sortable"
| |
| ! Country
| |
| ! Description
| |
| ! width=64 | Open since at least
| |
| ! Why not fixed?
| |
| |-
| |
| | [[Australia]]
| |
| | EST and CST are used as acronyms for AEST/AEDT and CEST/CEDT, i.e. during DST one cannot tell from the acronym what zone is meant.
| |
| | 2006-06-02 04:08:36 [http://article.gmane.org/gmane.comp.time.tz/1042/match=est]
| |
| | under consideration
| |
| |-
| |
| | [[Indonesia]]
| |
| | WIT means Western Indonesian Time, but in local Indonesian language, WIT stands for Waktu Indonesia Timur (Eastern Indonesian Time), change requests - without mentioning the ambiguity - go back to 2003 [http://article.gmane.org/gmane.linux.debian.devel.glibc/12741/match=wita+wib+wit]
| |
| | 2013-02-13 14:17:58 [http://article.gmane.org/gmane.comp.time.tz/5839]
| |
| |
| |
| |-
| |
| | [[Norway]]
| |
| | No IANA zone defined for Bouvet Island while Norwegian law sets a standard time http://article.gmane.org/gmane.comp.time.tz/5218/
| |
| | 2012-05-29 18:32:23 [http://article.gmane.org/gmane.comp.time.tz/5218/]
| |
| | TZ coordinator (Paul Eggert) does not want to fix
| |
| |-
| |
| | [[Russia]]
| |
| |
| |
| *Zones in Siberia are wrong
| |
| * patch provided 2012-05-02 22:18:43 by Arthur David Olson [http://article.gmane.org/gmane.comp.time.tz/4905/match=barnaul+tomsk]
| |
| | 2011-09-17 16:12:16 [http://article.gmane.org/gmane.comp.time.tz/4872/match=siberia]
| |
| | 2013-04-18 under consideration
| |
| |-
| |
| | Australia
| |
| | tzid Antarctica/Macquarie is listed for Antarctica, but it is not near the landmass, and not even in the oceanic region included in the Antarctic Treaty. Suggested fix: Pacific/Macquarie. Bug introduced ca 2010 [https://github.com/eggert/tz/commit/13f3a82a08f860d9beac390426e582e5f89c6f6c#zone.tab]
| |
| | 2013-04
| |
| |
| |
| |-
| |
| | French Southern and Antarctic Land
| |
| | Zone missing:
| |
| *http://mm.icann.org/pipermail/tz/2012-May/017804.html
| |
| | 2012-05-12 [http://mm.icann.org/pipermail/tz/2012-May/017804.html]
| |
| |
| |
| |}
| |
|
| |
|
| ==Zone renaming==
| | So I prefer terms such as "tzdb zone" to refer to those things that have tzids. I'm not wedded to *that* term, but there should be *some* term other than "time zone" for that. |
| * Alma-Ata->Almaty https://github.com/eggert/tz/commit/ef92aeaad41598210a2d973fd653bed48166f913#zone.tab
| |
| * Ulan_Bator->Ulaanbaatar https://github.com/eggert/tz/commit/377789bf6b7491c661f2abd274ead292e20aa2d5#zone.tab | |
| * Thimbu->Thimphu, Ashkhabad->Ashgabat https://github.com/eggert/tz/commit/5fc6f6d97aba126b82e203373037ff0ddb77291e#zone.tab | |
| * Dacca->Dhaka https://github.com/eggert/tz/commit/d2a2377eb277c4185255248d7436363ce662e046#zone.tab | |
| * Porto_Acre->Rio_Branco https://github.com/eggert/tz/commit/b4823fa8d676cc4b72ca89a085358e17d18106a6#zone.tab | |
| * Macao->Macau https://github.com/eggert/tz/commit/0594b59cdab15ff1dcccdb64bcb6b32bc096fb5d#zone.tab
| |
| * Ujung_Pandang->Makassar https://github.com/eggert/tz/commit/59b22c72fd2ffe9245b269cb9634a9ccb6f89c18#zone.tab
| |
| * /Argentina/ https://github.com/eggert/tz/commit/86ca028348fee535690202b5cbb73f93673cf2e2#zone.tab
| |
| * Coral_Harbour->Atikokan https://github.com/eggert/tz/commit/2436b01841ed68e63d5f72a2c1cacbce116a73d0#zone.tab
| |
| * Asmera->Asmara https://github.com/eggert/tz/commit/f7e6fba9999a45a8baf73b5b1aac139df99bf956#zone.tab
| |
| * Faeroe->Faroe https://github.com/eggert/tz/commit/e35b3358118ab6b2529a55e6d162a602f9dcf6d8#zone.tab
| |
| * Saigon->Ho_Chi_Minh https://github.com/eggert/tz/commit/6dfed6b7a0b4fc3ec96d36aba9cd6fc0153b362a#zone.tab
| |
| * Calcutta->Kolkata https://github.com/eggert/tz/commit/6ce4c9420f6746d9e06269a80381af29c555c558#zone.tab
| |
| * Kathmandu->Katmandu https://github.com/eggert/tz/commit/27bdceb8d4a40bf01ad30592e5c0b9060720c319#zone.tab
| |
| * Truk->Chuuk, Ponape->Pohnpei https://github.com/eggert/tz/commit/67b1c5f6929c1562ea68a5716ca136c0ee42b252#zone.tab
| |
|
| |
|
| Removal
| | The tzdb currently does not have a concept of "time zone" in the sense of a region with a specified base time offset; are you suggesting that it add one? |
| * Ensenada
| | ---- |
| ** https://github.com/eggert/tz/commit/3d8ce2fa1dcdd23a753ffc6dd5a7ebcefbfff92d#zone.tab
| |
| ** https://github.com/eggert/tz/commit/62250927e3cace5efd873f7817b363cb9d1588be#zone.tab
| |
| * ComodRivadavia https://github.com/eggert/tz/commit/63136721d64f6b5af8328f567c53308fa7e7f7c4#zone.tab
| |
| * Jan Mayen https://github.com/eggert/tz/commit/98c2234160bcc8d0045c67c3567ed2e916a0b356#zone.tab
| |
| * Geneva https://github.com/eggert/tz/commit/1d07c84f7a09468e16dc45df6cb0cf2bb8c59f2a#zone.tab
| |
| * Kashi, Wulumuqui https://github.com/eggert/tz/commit/b5a5341f46c01bd35cd9ba110b959c14d174de0a#zone.tab
| |
| * Tiraspol https://github.com/eggert/tz/commit/d7cc3a8a401b67dcb563f2bcf0c034f84b22e277#zone.tab
| |
|
| |
|
| ==Localization== | | ==Localization== |
Abbreviations
IANA time zone database - time zone acronyms
Bugs
IANA time zone database - bugs
Zone terminology
Guy Harris 2013-09-18 23:37:48 http://mm.icann.org/pipermail/tz/2013-September/020284.html
So I prefer terms such as "tzdb zone" to refer to those things that have tzids. I'm not wedded to *that* term, but there should be *some* term other than "time zone" for that.
The tzdb currently does not have a concept of "time zone" in the sense of a region with a specified base time offset; are you suggesting that it add one?
Localization
CLDR
http://unicode.org/repos/cldr/trunk/common/supplemental/metaZones.xml
- territory 001 - might refer to the UN M.49 code for "World".
Zone changes
2013-08-11
-AQ -7750+16636 Antarctica/McMurdo McMurdo Station, Ross Island
-AQ -9000+00000 Antarctica/South_Pole Amundsen-Scott Station, South Pole
+AQ -7750+16636 Pacific/Auckland McMurdo, South Pole, Scott (New Zealand time)
So Pacific/Auckland now has two pairs of coordinates, the new AQ-one and the old NZ-one.
NZ -3652+17446 Pacific/Auckland most locations
- Connecting Vaduz to Bern Mean Time