IANA time zone database: Difference between revisions

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=== Composing parts ===
=== Composing parts ===
* final T = Time
{| class="wikitable"
* letters preceding final T, sometimes have one of these meanings:
! position from right
** D = Daylight Saving
! Letter
** S = Standard, sometimes Summer
! Meaning
** W = War (northamerica file)
! Occurrence
** P = Peace (northamerica file)
|-
** M = Mean (europe file: MMT # Moscow Mean Time)
| 1
** M = Midsummer (europe file: Moscow - M # Midsummer, also for Spain, France, Germany/SovietZone)
| T  
* two letters preceding final T sometimes have one of these meanings:
| Time
** DS = Double Summer (europe file: MDST # Moscow Double Summer Time, BDST - British Double Summer Time)
| always
** LM = Local Mean
|-
** HS = half summer time? (australasia file, Pacific/Rarotonga CK%sT and "HS")
| 2
| D  
| Daylight (Saving) (DST 1:00)
|
|-
| 2
| S  
| Standard
| several
|-
| 2
| S
| Summer
| europe file: e.g. BST British Summer Time, CEST Central European Summer Time
|-
| 2
| W  
| War  
| northamerica file: US and Mexico
|-
| 2
| P  
| Peace  
| northamerica file: US
|-
| 2
| M  
| Mean  
| europe file: MMT # Moscow Mean Time
|-
| 2
| M  
| Midsummer (DST 2:00)
| europe file: Moscow - M # Midsummer, also for Spain, France, Germany/SovietZone
|-
| 32
| LM
| Local Mean
| several
|-
| 32
| DS  
| Double Summer  
| europe file: MDST # Moscow Double Summer Time, BDST - British Double Summer Time
|-
| 32
| DD
| Double Daylight Saving Time
| northamerica file: StJohns 1988)
|-
| 32
| HS  
| half summer time? (DST 0:30)
| australasia file: Pacific/Rarotonga CK%sT and "HS"
|-
| 32
| HD
| half daylight saving time? (DST 0:30)
|
* northamerica file: Rule Belize 1918-1942
* northamerica file: Rule DR 1969-1973
|}


== Bugs ==
== Bugs ==

Revision as of 2013-04-11T07:58:10

Abbreviations


Special abbreviations

  • LMT - local mean time

Composing parts

position from right Letter Meaning Occurrence
1 T Time always
2 D Daylight (Saving) (DST 1:00)
2 S Standard several
2 S Summer europe file: e.g. BST British Summer Time, CEST Central European Summer Time
2 W War northamerica file: US and Mexico
2 P Peace northamerica file: US
2 M Mean europe file: MMT # Moscow Mean Time
2 M Midsummer (DST 2:00) europe file: Moscow - M # Midsummer, also for Spain, France, Germany/SovietZone
32 LM Local Mean several
32 DS Double Summer europe file: MDST # Moscow Double Summer Time, BDST - British Double Summer Time
32 DD Double Daylight Saving Time northamerica file: StJohns 1988)
32 HS half summer time? (DST 0:30) australasia file: Pacific/Rarotonga CK%sT and "HS"
32 HD half daylight saving time? (DST 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.

Country Description 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 [1] TZ coordinator (Paul Eggert) does not want to fix
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 [2] 2013-02-13 14:17:58 [3] TZ coordinator (Paul Eggert) does not fix
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 [4] 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 [5]
 2011-09-17 16:12:16 [6] TZ coordinator (Paul Eggert) does not fix - reason unknown

Localization

CLDR

http://unicode.org/repos/cldr/trunk/common/supplemental/metaZones.xml

  • territory 001 - might refer to the UN M.49 code for "World".
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