Talk:List of time zone abbreviations

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Many are missing please someone complete with the folowings.

by Alphabetics

ACDT Australian Central Daylight Time Australia UTC + 10:30 hours

ACST Australian Central Standard Time Australia UTC + 9:30 hours

ADT Atlantic Daylight Time North America UTC - 3 hours

AEDT Australian Eastern Daylight Time or Australian Eastern Summer Time Australia UTC + 11 hours

AEST Australian Eastern Standard Time Australia UTC + 10 hours

AKDT Alaska Daylight Time North America UTC - 8 hours

AKST Alaska Standard Time North America UTC - 9 hours

AST Atlantic Standard Time North America UTC - 4 hours

AWDT Australian Western Daylight Time Australia UTC + 9 hours

AWST Australian Western Standard Time Australia UTC + 8 hours

BST British Summer Time Europe UTC + 1 hour

CDT Central Daylight Time Australia UTC + 10:30 hours

CDT Central Daylight Time North America UTC - 5 hours

CEDT Central European Daylight Time Europe UTC + 2 hours

CEST Central European Summer Time Europe UTC + 2 hours

CET Central European Time Europe UTC + 1 hour

CST Central Summer Time Australia UTC + 10:30 hours

CST Central Standard Time Australia UTC + 9:30 hours

CST Central Standard Time North America UTC - 6 hours

CXT Christmas Island Time Australia UTC + 7 hours

EDT Eastern Daylight Time Australia UTC + 11 hours

EDT Eastern Daylight Time North America UTC - 4 hours

EEDT Eastern European Daylight Time Europe UTC + 3 hours

EEST Eastern European Summer Time Europe UTC + 3 hours

EET Eastern European Time Europe UTC + 2 hours

EST Eastern Summer Time Australia UTC + 11 hours

EST Eastern Standard Time Australia UTC + 10 hours

EST Eastern Standard Time North America UTC - 5 hours

GMT Greenwich Mean Time Europe UTC

HAA Heure Avancée de l'Atlantique North America UTC - 3 hours

HAC Heure Avancée du Centre North America UTC - 5 hours

HADT Hawaii-Aleutian Daylight Time North America UTC - 9 hours

HAE Heure Avancée de l'Est North America UTC - 4 hours

HAP Heure Avancée du Pacifique North America UTC - 7 hours

HAR Heure Avancée des Rocheuses North America UTC - 6 hours

HAST Hawaii-Aleutian Standard Time North America UTC - 10 hours

HAT Heure Avancée de Terre-Neuve North America UTC - 2:30 hours

HAY Heure Avancée du Yukon North America UTC - 8 hours

HNA Heure Normale de l'Atlantique North America UTC - 4 hours

HNC Heure Normale du Centre North America UTC - 6 hours

HNE Heure Normale de l'Est North America UTC - 5 hours

HNP Heure Normale du Pacifique North America UTC - 8 hours

HNR Heure Normale des Rocheuses North America UTC - 7 hours

HNT Heure Normale de Terre-Neuve North America UTC - 3:30 hours

HNY Heure Normale du Yukon North America UTC - 9 hours

HST Hawaii Standard Time North America UTC - 10 hours

IST Irish Summer Time Europe UTC + 1 hour

MDT Mountain Daylight Time North America UTC - 6 hours

MESZ Mitteleuroäische Sommerzeit Europe UTC + 2 hours

MEZ Mitteleuropäische Zeit Europe UTC + 1 hour

MSD Moscow Daylight Time Europe UTC + 4 hours

MSK Moscow Standard Time Europe UTC + 3 hours

MST Mountain Standard Time North America UTC - 7 hours

NDT Newfoundland Daylight Time North America UTC - 2:30 hours

NFT Norfolk (Island) Time Australia UTC + 11:30 hours

NST Newfoundland Standard Time North America UTC - 3:30 hours

PDT Pacific Daylight Time North America UTC - 7 hours

PST Pacific Standard Time North America UTC - 8 hours

UTC Coordinated Universal Time Europe UTC

WDT Western Daylight Time Australia UTC + 9 hours

WEDT Western European Daylight Time Europe UTC + 1 hour

WEST Western European Summer Time Europe UTC + 1 hour

WET Western European Time Europe UTC

WST Western Summer Time Australia UTC + 9 hours

WST Western Standard Time Australia UTC + 8 hours

— Preceding unsigned comment added by Transisto (talk • contribs) 17 March 2010

Zulu Time - Z[edit]

I note that UTC is referred-to as "Zulu Time" (abbreviated as "Z") on many meteorological sites, eg www.usno.navy.mil/NOOC/ . Their maps for instance refer to 1800UTC as 1800Z. Should "Z" be added to the list?

F Crompton-Roberts — Preceding unsigned comment added by 86.220.118.224 (talk) 10:35, 21 September 2013 (UTC)[reply]

Since nobody squealed, I've added it.
F Crompton-Roberts
— Preceding undated comment added 14:45, 22 September 2013 (UTC)

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Listing by UTC offset[edit]

When you sort by UTC offset it starts with UTC+1, UTC+2 etc. to UTC+14, then it goes UTC-12, UTC±0 then UTC -1 through to -12, I think this is the wrong order and should be corrected to UTC -12 to UTC +14 (ie from furthest behind UTC to furthest in front). SSSB (talk) 11:16, 5 May 2018 (UTC)[reply]

I've now added data-sort-value, where it takes the offset in hours and minutes without colon, and adding it to 10000. So +08:00 is 10800 and -08:00 is 09200. So all positive times are just "1HHMM" for easier input.
Liggliluff (talk) 11:43, 14 March 2021 (UTC)[reply]

relationship with "list of tz database time zones"[edit]

Hi, what is the relationship between this list and List of tz database time zones?--Richardson mcphillips (talk) 17:11, 11 March 2019 (UTC)[reply]

Two more problems with using time zone abbreviations[edit]

It currently only lists one issue, being the ambiguity. But there are two more main issues:

  • Some languages write the abbreviation differently in their language. Western European Time commonly being WET is WEZ in German, HEO in French, ZEČ in Czech, ΏΔΕ in Greek. So while the time and date would be fully readable in any language, the time zone might not: "2021-03-14 11:43 ZEČ".
  • The same code might be used for different offsets for the same region. Example is Samoa. Back when they used summer time, both summer and winter time had the same code, making 1 hour ambiguous when they went back to winter time. Another issue was in 1879 when they went from +12 to -12 and repeated one day; both used the same abbreviation, so you can't tell which day is which. They've also used -11:30, -11 and -10. Making their abbreviation represent +14, +13, -10, -11, -11:30.

Liggliluff (talk) 11:43, 14 March 2021 (UTC)[reply]

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