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parser: Add descriptions for 3-4 letter TZ abbreviations (#1687)
Signed-off-by: Hiroshi Hatake <[email protected]>
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‎pipeline/parsers/configuring-parser.md‎

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@@ -72,3 +72,127 @@ In addition, we extended our time resolution to support fractional seconds like
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> Note: The option %L is only valid when used after seconds \(`%S`\) or seconds since the Epoch \(`%s`\), e.g: `%S.%L` or `%s.%L`
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## Supported Timezone Abbreviations
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The current supported time zone labels of 3-4 letter abbreviated strings:
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### UTC/GMT and Zulu
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| Abbreviation | UTC Offset (HH:MM) | Offset (Seconds) | Is DST | Description |
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| :----------- | :----------------- | :--------------- | :----- | :------------------------- |
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| `GMT` | +00:00 | 0 | 0 | Greenwich Mean Time |
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| `UTC` | +00:00 | 0 | 0 | Coordinated Universal Time |
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| `Z` | +00:00 | 0 | 0 | Zulu Time (UTC) |
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| `UT` | +00:00 | 0 | 0 | Universal Time |
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### North American Timezones
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| Abbreviation | UTC Offset (HH:MM) | Offset (Seconds) | Is DST | Description |
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| :----------- | :----------------- | :--------------- | :----- | :------------------------------------------------------- |
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| `EST` | -05:00 | -18000 | 0 | Eastern Standard Time |
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| `EDT` | -04:00 | -14400 | 1 | Eastern Daylight Time |
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| `CST` | -06:00 | -21600 | 0 | Central Standard Time (North America) |
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| `CDT` | -05:00 | -18000 | 1 | Central Daylight Time (North America) |
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| `MST` | -07:00 | -25200 | 0 | Mountain Standard Time |
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| `MDT` | -06:00 | -21600 | 1 | Mountain Daylight Time |
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| `PST` | -08:00 | -28800 | 0 | Pacific Standard Time |
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| `PDT` | -07:00 | -25200 | 1 | Pacific Daylight Time |
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| `AKST` | -09:00 | -32400 | 0 | Alaska Standard Time |
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| `AKDT` | -08:00 | -28800 | 1 | Alaska Daylight Time |
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| `HST` | -10:00 | -36000 | 0 | Hawaii Standard Time |
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| `HADT` | -09:00 | -32400 | 1 | Hawaii-Aleutian Daylight Time (rarely used for Hawaii) |
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| `AST` | -04:00 | -14400 | 0 | Atlantic Standard Time (e.g., Canada, Caribbean) |
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| `ADT` | -03:00 | -10800 | 1 | Atlantic Daylight Time |
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| `NST` | -03:30 | -12600 | 0 | Newfoundland Standard Time |
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| `NDT` | -02:30 | -9000 | 1 | Newfoundland Daylight Time |
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### European Timezones
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| Abbreviation | UTC Offset (HH:MM) | Offset (Seconds) | Is DST | Description |
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| :----------- | :----------------- | :--------------- | :----- | :------------------------------- |
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| `WET` | +00:00 | 0 | 0 | Western European Time |
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| `WEST` | +01:00 | 3600 | 1 | Western European Summer Time |
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| `CET` | +01:00 | 3600 | 0 | Central European Time |
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| `CEST` | +02:00 | 7200 | 1 | Central European Summer Time |
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| `EET` | +02:00 | 7200 | 0 | Eastern European Time |
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| `EEST` | +03:00 | 10800 | 1 | Eastern European Summer Time |
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| `MSK` | +03:00 | 10800 | 0 | Moscow Standard Time |
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### South American Timezones
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| Abbreviation | UTC Offset (HH:MM) | Offset (Seconds) | Is DST | Description |
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| :----------- | :----------------- | :--------------- | :----- | :----------------------------------------------------------------------- |
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| `ART` | -03:00 | -10800 | 0 | Argentina Time |
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| `BRT` | -03:00 | -10800 | 0 | Brazil Time (main population areas, can vary by region/DST) |
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| `BRST` | -02:00 | -7200 | 1 | Brazil Summer Time (historical, not currently observed by all) |
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| `CLT` | -04:00 | -14400 | 0 | Chile Standard Time |
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| `CLST` | -03:00 | -10800 | 1 | Chile Summer Time |
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### Australasian / Oceanian Timezones
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| Abbreviation | UTC Offset (HH:MM) | Offset (Seconds) | Is DST | Description |
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| :----------- | :----------------- | :--------------- | :----- | :--------------------------------- |
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| `AEST` | +10:00 | 36000 | 0 | Australian Eastern Standard Time |
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| `AEDT` | +11:00 | 39600 | 1 | Australian Eastern Daylight Time |
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| `ACST` | +09:30 | 34200 | 0 | Australian Central Standard Time |
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| `ACDT` | +10:30 | 37800 | 1 | Australian Central Daylight Time |
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| `AWST` | +08:00 | 28800 | 0 | Australian Western Standard Time |
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| `NZST` | +12:00 | 43200 | 0 | New Zealand Standard Time |
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| `NZDT` | +13:00 | 46800 | 1 | New Zealand Daylight Time |
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### Asian Timezones
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| Abbreviation | UTC Offset (HH:MM) | Offset (Seconds) | Is DST | Description |
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| :----------- | :----------------- | :--------------- | :----- | :-------------------------------------------------------- |
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| `JST` | +09:00 | 32400 | 0 | Japan Standard Time |
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| `KST` | +09:00 | 32400 | 0 | Korea Standard Time |
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| `SGT` | +08:00 | 28800 | 0 | Singapore Time |
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| `IST` | +05:30 | 19800 | 0 | India Standard Time |
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| `GST` | +04:00 | 14400 | 0 | Gulf Standard Time (e.g., UAE, Oman) |
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| `ICT` | +07:00 | 25200 | 0 | Indochina Time (Thailand, Vietnam, Laos, Cambodia) |
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| `WIB` | +07:00 | 25200 | 0 | Western Indonesian Time |
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| `WITA` | +08:00 | 28800 | 0 | Central Indonesian Time |
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| `WIT` | +09:00 | 32400 | 0 | Eastern Indonesian Time |
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| `MYT` | +08:00 | 28800 | 0 | Malaysia Time |
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| `BDT` | +06:00 | 21600 | 0 | Bangladesh Standard Time |
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| `NPT` | +05:45 | 20700 | 0 | Nepal Time |
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### African Timezones
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| Abbreviation | UTC Offset (HH:MM) | Offset (Seconds) | Is DST | Description |
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| :----------- | :----------------- | :--------------- | :----- | :-------------------------- |
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| `WAT` | +01:00 | 3600 | 0 | West Africa Time |
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| `CAT` | +02:00 | 7200 | 0 | Central Africa Time |
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| `EAT` | +03:00 | 10800 | 0 | East Africa Time |
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| `SAST` | +02:00 | 7200 | 0 | South Africa Standard Time |
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### Military Timezones
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*These are single-letter UTC offset designators. 'J' (Juliett) represents local time and is not included. 'Z' (Zulu) is UTC and listed above.*
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| Abbreviation | UTC Offset (HH:MM) | Offset (Seconds) | Is DST | Description |
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| :----------- | :----------------- | :--------------- | :----- | :------------------------------------------------------ |
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| `A` | +01:00 | 3600 | 0 | Alpha Time Zone |
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| `B` | +02:00 | 7200 | 0 | Bravo Time Zone |
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| `C` | +03:00 | 10800 | 0 | Charlie Time Zone |
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| `D` | +04:00 | 14400 | 0 | Delta Time Zone |
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| `E` | +05:00 | 18000 | 0 | Echo Time Zone |
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| `F` | +06:00 | 21600 | 0 | Foxtrot Time Zone |
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| `G` | +07:00 | 25200 | 0 | Golf Time Zone |
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| `H` | +08:00 | 28800 | 0 | Hotel Time Zone |
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| `I` | +09:00 | 32400 | 0 | India Time Zone (Military, not India Standard Time) |
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| `K` | +10:00 | 36000 | 0 | Kilo Time Zone |
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| `L` | +11:00 | 39600 | 0 | Lima Time Zone |
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| `M` | +12:00 | 43200 | 0 | Mike Time Zone |
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| `N` | -01:00 | -3600 | 0 | November Time Zone |
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| `O` | -02:00 | -7200 | 0 | Oscar Time Zone |
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| `P` | -03:00 | -10800 | 0 | Papa Time Zone |
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| `Q` | -04:00 | -14400 | 0 | Quebec Time Zone |
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| `R` | -05:00 | -18000 | 0 | Romeo Time Zone |
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| `S` | -06:00 | -21600 | 0 | Sierra Time Zone |
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| `T` | -07:00 | -25200 | 0 | Tango Time Zone |
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| `U` | -08:00 | -28800 | 0 | Uniform Time Zone |
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| `V` | -09:00 | -32400 | 0 | Victor Time Zone |
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| `W` | -10:00 | -36000 | 0 | Whiskey Time Zone |
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| `X` | -11:00 | -43200 | 0 | X-ray Time Zone |
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| `Y` | -12:00 | -46800 | 0 | Yankee Time Zone |

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