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Approximate Troll's rules with just UTC and CEST.

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* antarctica (Antarctica/Troll), NEWS: Uncomment, but with an
approximation that uses only UTC and CEST.  (Thanks to Bengt-Inge
Larsson.)
* zone.tab (Antarctica/Troll): New entry.
This commit is contained in:
Paul Eggert
2014-03-21 08:52:27 -07:00
parent feb4476d27
commit 6285081401
3 changed files with 23 additions and 18 deletions
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10
NEWS
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@@ -8,6 +8,11 @@ Unreleased, experimental changes
Crimea switches to Moscow time on 2014-03-30 at 02:00 local time.
(Thanks to Alexander Krivenyshev.) Move its zone.tab entry from UA to RU.
New entry for Troll station, Antarctica. (Thanks to Paul-Inge Flakstad and
Bengt-Inge Larsson.) This is currently an approximation; a better version
will require the zic and localtime fixes mentioned below, and the plan is
to wait for a while until at least the zic fixes propagate.
Changes affecting code
'zic' and 'localtime' no longer reject locations needing four transitions
@@ -21,11 +26,6 @@ Unreleased, experimental changes
Changes affecting commentary and documentation
Add a commented-out entry for Troll station, Antarctica.
(Thanks to Paul-Inge Flakstad.) It requires the 'zic' and 'localtime'
fixes mentioned above, so the plan is to wait for a while until these
fixes propagate.
Fix Tuesday/Thursday typo in description of time in Israel.
(Thanks to Bert Katz via Pavel Kharitonov and Mike Frysinger.)

30
antarctica
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@@ -238,29 +238,33 @@ Zone Antarctica/Syowa 0 - zzz 1957 Jan 29
# Peter I Island (never inhabited)
#
# year-round base
# Troll, Jutulsessen, -720041+0023206, since 2005-02-11
# Troll, Queen Maud Land, -720041+0023206, since 2005-02-12
#
# From Paul-Inge Flakstad (2014-03-10):
# I recently had a long dialog about this with the developer of timegenie.com.
# In the absence of specific dates, he decided to choose some likely ones:
# GMT +1 — From March 1 to the last Sunday in March
# GMT +2 — From the last Sunday in March until the last Sunday in October
# GMT +1 — From the last Sunday in October until November 7
# GMT +0 — From November 7 until March 1
# GMT +1 - From March 1 to the last Sunday in March
# GMT +2 - From the last Sunday in March until the last Sunday in October
# GMT +1 - From the last Sunday in October until November 7
# GMT +0 - From November 7 until March 1
# The dates for switching to and from UTC+0 will probably not be absolutely
# correct, but they should be quite close to the actual dates.
#
# From Paul Eggert (2014-03-20):
# This entry requires tzcode 2014b or later, so comment it out for now.
# Uncomment it when 2014b is supported in more places.
## Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
# From Paul Eggert (2014-03-21):
# The CET-switching Troll rules require zic from tzcode 2014b or later, so as
# suggested by Bengt-Inge Larsson comment them out for now, and approximate
# with only UTC and CEST. Uncomment them when 2014b is more prevalent.
#
# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
#Rule Troll 2005 max - Mar 1 1:00u 1:00 CET
#Rule Troll 2005 max - Mar lastSun 1:00u 2:00 CEST
Rule Troll 2005 max - Mar lastSun 1:00u 2:00 CEST
#Rule Troll 2005 max - Oct lastSun 1:00u 1:00 CET
#Rule Troll 2004 max - Nov 7 1:00u 0:00 UTC
## Zone NAME GMTOFF RULES FORMAT [UNTIL]
#Zone Antarctica/Troll 0 - zzz 2005 Feb 11
# 0:00 Troll %s
# Remove the following line when uncommenting the above '#Rule' lines.
Rule Troll 2004 max - Oct lastSun 1:00u 0:00 UTC
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
Zone Antarctica/Troll 0 - zzz 2005 Feb 12
0:00 Troll %s
# Poland - year-round base
# Arctowski, King George Island, -620945-0582745, since 1977

1
zone.tab
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@@ -51,6 +51,7 @@ AQ -6617+11031 Antarctica/Casey Casey Station, Bailey Peninsula
AQ -7824+10654 Antarctica/Vostok Vostok Station, Lake Vostok
AQ -6640+14001 Antarctica/DumontDUrville Dumont-d'Urville Station, Terre Adelie
AQ -690022+0393524 Antarctica/Syowa Syowa Station, E Ongul I
AQ -720041+0023206 Antarctica/Troll Troll Station, Queen Maud Land
AR -3436-05827 America/Argentina/Buenos_Aires Buenos Aires (BA, CF)
AR -3124-06411 America/Argentina/Cordoba most locations (CB, CC, CN, ER, FM, MN, SE, SF)
AR -2447-06525 America/Argentina/Salta (SA, LP, NQ, RN)