2006-07-25 05:51:23 +02:00
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#
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# NOTE:
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# This file is NOT loaded by the PostgreSQL database. It just serves as
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# a template for timezones you could need. See the `Date/Time Support'
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# appendix in the PostgreSQL documentation for more information.
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#
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2010-09-20 22:08:53 +02:00
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# src/timezone/tznames/Atlantic.txt
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2006-07-25 15:49:21 +02:00
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#
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2006-07-25 05:51:23 +02:00
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ADT -10800 D # Atlantic Daylight Time
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# (America/Glace_Bay)
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# (America/Goose_Bay)
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# (America/Halifax)
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# (America/Thule)
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# (Atlantic/Bermuda)
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# CONFLICT! AST is not unique
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# Other timezones:
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# - AST: Arabic Standard Time (Asia)
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# - AST: Al Manamah Standard Time (Asia) same offset as Arabia Standard Time
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# - AST/ACT: Acre Standard Time (America) listed as ACT
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# - AST: Anguilla Standard Time (America) same offset
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# - AST: Antigua Standard Time (America) same offset
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# - AST: Antilles Standard Time (America) same offset
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AST -14400 # Atlantic Standard Time
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# (America/Anguilla)
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# (America/Antigua)
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# (America/Aruba)
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# (America/Curacao)
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# (America/Dominica)
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# (America/Glace_Bay)
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# (America/Goose_Bay)
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# (America/Grenada)
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# (America/Guadeloupe)
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# (America/Halifax)
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# (America/Martinique)
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# (America/Montserrat)
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# (America/Port_of_Spain)
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# (America/Puerto_Rico)
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# (America/Santo_Domingo)
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# (America/St_Kitts)
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# (America/St_Lucia)
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# (America/St_Thomas)
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# (America/St_Vincent)
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# (America/Thule)
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# (America/Tortola)
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# (Atlantic/Bermuda)
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Update time zone data files to tzdata release 2017b.
DST law changes in Chile, Haiti, and Mongolia. Historical corrections for
Ecuador, Kazakhstan, Liberia, and Spain.
The IANA crew continue their campaign to replace invented time zone
abbrevations with numeric GMT offsets. This update changes numerous zones
in South America, the Pacific and Indian oceans, and some Asian and Middle
Eastern zones. I kept these abbreviations in the tznames/ data files,
however, so that we will still accept them for input. (We may want to
start trimming those files someday, but I think we should wait for the
upstream dust to settle before deciding what to do.)
In passing, add MESZ (Mitteleuropaeische Sommerzeit) to the tznames lists;
since we accept MEZ (Mitteleuropaeische Zeit) it seems rather strange not
to take the other one. And fix some incorrect, or at least obsolete,
comments that certain abbreviations are not traceable to the IANA data.
2017-05-01 17:52:59 +02:00
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AZOST 0 D # Azores Summer Time (obsolete)
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AZOT -3600 # Azores Time (obsolete)
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CVT Atlantic/Cape_Verde # Cape Verde Time (obsolete)
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FKST Atlantic/Stanley # Falkland Islands Summer/Standard Time (obsolete)
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Support timezone abbreviations that sometimes change.
Up to now, PG has assumed that any given timezone abbreviation (such as
"EDT") represents a constant GMT offset in the usage of any particular
region; we had a way to configure what that offset was, but not for it
to be changeable over time. But, as with most things horological, this
view of the world is too simplistic: there are numerous regions that have
at one time or another switched to a different GMT offset but kept using
the same timezone abbreviation. Almost the entire Russian Federation did
that a few years ago, and later this month they're going to do it again.
And there are similar examples all over the world.
To cope with this, invent the notion of a "dynamic timezone abbreviation",
which is one that is referenced to a particular underlying timezone
(as defined in the IANA timezone database) and means whatever it currently
means in that zone. For zones that use or have used daylight-savings time,
the standard and DST abbreviations continue to have the property that you
can specify standard or DST time and get that time offset whether or not
DST was theoretically in effect at the time. However, the abbreviations
mean what they meant at the time in question (or most recently before that
time) rather than being absolutely fixed.
The standard abbreviation-list files have been changed to use this behavior
for abbreviations that have actually varied in meaning since 1970. The
old simple-numeric definitions are kept for abbreviations that have not
changed, since they are a bit faster to resolve.
While this is clearly a new feature, it seems necessary to back-patch it
into all active branches, because otherwise use of Russian zone
abbreviations is going to become even more problematic than it already was.
This change supersedes the changes in commit 513d06ded et al to modify the
fixed meanings of the Russian abbreviations; since we've not shipped that
yet, this will avoid an undesirably incompatible (not to mention incorrect)
change in behavior for timestamps between 2011 and 2014.
This patch makes some cosmetic changes in ecpglib to keep its usage of
datetime lookup tables as similar as possible to the backend code, but
doesn't do anything about the increasingly obsolete set of timezone
abbreviation definitions that are hard-wired into ecpglib. Whatever we
do about that will likely not be appropriate material for back-patching.
Also, a potential free() of a garbage pointer after an out-of-memory
failure in ecpglib has been fixed.
This patch also fixes pre-existing bugs in DetermineTimeZoneOffset() that
caused it to produce unexpected results near a timezone transition, if
both the "before" and "after" states are marked as standard time. We'd
only ever thought about or tested transitions between standard and DST
time, but that's not what's happening when a zone simply redefines their
base GMT offset.
In passing, update the SGML documentation to refer to the Olson/zoneinfo/
zic timezone database as the "IANA" database, since it's now being
maintained under the auspices of IANA.
2014-10-16 21:22:10 +02:00
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FKT Atlantic/Stanley # Falkland Islands Time (obsolete)
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2006-07-25 05:51:23 +02:00
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GMT 0 # Greenwich Mean Time
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# (Africa/Abidjan)
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# (Africa/Bamako)
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# (Africa/Banjul)
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# (Africa/Bissau)
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# (Africa/Conakry)
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# (Africa/Dakar)
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# (Africa/Lome)
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# (Africa/Monrovia)
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# (Africa/Nouakchott)
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# (Africa/Ouagadougou)
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# (Africa/Sao_Tome)
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# (America/Danmarkshavn)
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# (Atlantic/Reykjavik)
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# (Atlantic/St_Helena)
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# (Etc/GMT)
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# (Europe/Dublin)
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# (Europe/London)
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# CONFLICT! GST is not unique
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# Other timezones:
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# - GST: Gulf Standard Time (Asia)
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Update time zone data files to tzdata release 2017b.
DST law changes in Chile, Haiti, and Mongolia. Historical corrections for
Ecuador, Kazakhstan, Liberia, and Spain.
The IANA crew continue their campaign to replace invented time zone
abbrevations with numeric GMT offsets. This update changes numerous zones
in South America, the Pacific and Indian oceans, and some Asian and Middle
Eastern zones. I kept these abbreviations in the tznames/ data files,
however, so that we will still accept them for input. (We may want to
start trimming those files someday, but I think we should wait for the
upstream dust to settle before deciding what to do.)
In passing, add MESZ (Mitteleuropaeische Sommerzeit) to the tznames lists;
since we accept MEZ (Mitteleuropaeische Zeit) it seems rather strange not
to take the other one. And fix some incorrect, or at least obsolete,
comments that certain abbreviations are not traceable to the IANA data.
2017-05-01 17:52:59 +02:00
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GST -7200 # South Georgia Time (Atlantic) (obsolete)
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2006-07-25 05:51:23 +02:00
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WEST 3600 D # Western Europe Summer Time
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# (Atlantic/Canary)
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# (Atlantic/Faeroe)
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# (Atlantic/Madeira)
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# (Europe/Lisbon)
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WET 0 # Western Europe Time
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# (Africa/Casablanca)
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# (Africa/El_Aaiun)
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# (Atlantic/Canary)
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# (Atlantic/Faeroe)
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# (Atlantic/Madeira)
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# (Europe/Lisbon)
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