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Commit204db56

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Update time zone data files to tzdata release 2009a: introduces Asia/Kathmandu
as the preferred spelling of that zone name, corrects historical DSTinformation for Switzerland and Cuba.
1 parent0d65eea commit204db56

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5 files changed

+78
-17
lines changed

5 files changed

+78
-17
lines changed

‎src/timezone/data/asia

Lines changed: 2 additions & 2 deletions
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@@ -1,4 +1,4 @@
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# @(#)asia8.24
1+
# @(#)asia8.25
22
# <pre>
33

44
# This data is by no means authoritative; if you think you know better,
@@ -1474,7 +1474,7 @@ ZoneAsia/Choibalsan7:38:00 -LMT1905 Aug
14741474

14751475
# Nepal
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# ZoneNAMEGMTOFFRULESFORMAT[UNTIL]
1477-
ZoneAsia/Katmandu5:41:16 -LMT1920
1477+
ZoneAsia/Kathmandu5:41:16 -LMT1920
14781478
5:30-IST1986
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5:45-NPT# Nepal Time
14801480

‎src/timezone/data/backward

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@@ -1,4 +1,4 @@
1-
# @(#)backward8.6
1+
# @(#)backward8.7
22

33
# This file provides links between current names for time zones
44
# and their old names. Many names changed in late 1993.
@@ -24,6 +24,7 @@ LinkAmerica/St_ThomasAmerica/Virgin
2424
LinkAsia/AshgabatAsia/Ashkhabad
2525
LinkAsia/ChongqingAsia/Chungking
2626
LinkAsia/DhakaAsia/Dacca
27+
LinkAsia/KathmanduAsia/Katmandu
2728
LinkAsia/KolkataAsia/Calcutta
2829
LinkAsia/MacauAsia/Macao
2930
LinkAsia/JerusalemAsia/Tel_Aviv

‎src/timezone/data/europe

Lines changed: 58 additions & 5 deletions
Original file line numberDiff line numberDiff line change
@@ -1,4 +1,4 @@
1-
# @(#)europe8.18
1+
# @(#)europe8.20
22
# <pre>
33

44
# This data is by no means authoritative; if you think you know better,
@@ -2313,11 +2313,64 @@ Zone Europe/Stockholm1:12:12 -LMT1879 Jan 1
23132313
# mean time in preference to apparent time -- Geneva from 1780 ....
23142314
# RuleNAMEFROMTOTYPEINONATSAVELETTER/S
23152315
# From Whitman (who writes ``Midnight?''):
2316-
RuleSwiss1940only-Nov 20:001:00S
2317-
RuleSwiss1940only-Dec310:000-
2316+
#RuleSwiss1940only-Nov 20:001:00S
2317+
#RuleSwiss1940only-Dec310:000-
23182318
# From Shanks & Pottenger:
2319-
RuleSwiss19411942-MaySun>=12:001:00S
2320-
RuleSwiss19411942-OctSun>=10:000-
2319+
# RuleSwiss19411942-MaySun>=12:001:00S
2320+
# RuleSwiss19411942-OctSun>=10:000-
2321+
2322+
# From Alois Treindl (2008-12-17):
2323+
# I have researched the DST usage in Switzerland during the 1940ies.
2324+
#
2325+
# As I wrote in an earlier message, I suspected the current tzdata values
2326+
# to be wrong. This is now verified.
2327+
#
2328+
# I have found copies of the original ruling by the Swiss Federal
2329+
# government, in 'Eidgen[o]ssische Gesetzessammlung 1941 and 1942' (Swiss
2330+
# federal law collection)...
2331+
#
2332+
# DST began on Monday 5 May 1941, 1:00 am by shifting the clocks to 2:00 am
2333+
# DST ended on Monday 6 Oct 1941, 2:00 am by shifting the clocks to 1:00 am.
2334+
#
2335+
# DST began on Monday, 4 May 1942 at 01:00 am
2336+
# DST ended on Monday, 5 Oct 1942 at 02:00 am
2337+
#
2338+
# There was no DST in 1940, I have checked the law collection carefully.
2339+
# It is also indicated by the fact that the 1942 entry in the law
2340+
# collection points back to 1941 as a reference, but no reference to any
2341+
# other years are made.
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#
2343+
# Newspaper articles I have read in the archives on 6 May 1941 reported
2344+
# about the introduction of DST (Sommerzeit in German) during the previous
2345+
# night as an absolute novelty, because this was the first time that such
2346+
# a thing had happened in Switzerland.
2347+
#
2348+
# I have also checked 1916, because one book source (Gabriel, Traite de
2349+
# l'heure dans le monde) claims that Switzerland had DST in 1916. This is
2350+
# false, no official document could be found. Probably Gabriel got misled
2351+
# by references to Germany, which introduced DST in 1916 for the first time.
2352+
#
2353+
# The tzdata rules for Switzerland must be changed to:
2354+
# Rule Swiss 1941 1942 - May Mon>=1 1:00 1:00 S
2355+
# Rule Swiss 1941 1942 - Oct Mon>=1 2:00 0 -
2356+
#
2357+
# The 1940 rules must be deleted.
2358+
#
2359+
# One further detail for Switzerland, which is probably out of scope for
2360+
# most users of tzdata:
2361+
# The zone file
2362+
# Zone Europe/Zurich 0:34:08 - LMT 1848 Sep 12
2363+
# 0:29:44 - BMT 1894 Jun #Bern Mean Time
2364+
# 1:00 Swiss CE%sT 1981
2365+
# 1:00 EU CE%sT
2366+
# describes all of Switzerland correctly, with the exception of
2367+
# the Cantone Geneve (Geneva, Genf). Between 1848 and 1894 Geneve did not
2368+
# follow Bern Mean Time but kept its own local mean time.
2369+
# To represent this, an extra zone would be needed.
2370+
2371+
# RuleNAMEFROMTOTYPEINONATSAVELETTER/S
2372+
RuleSwiss19411942-MayMon>=11:001:00S
2373+
RuleSwiss19411942-OctMon>=12:000-
23212374
# ZoneNAMEGMTOFFRULESFORMAT[UNTIL]
23222375
ZoneEurope/Zurich0:34:08 -LMT1848 Sep 12
23232376
0:29:44-BMT1894 Jun # Bern Mean Time

‎src/timezone/data/northamerica

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@@ -1,4 +1,4 @@
1-
# @(#)northamerica8.24
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# @(#)northamerica8.26
22
# <pre>
33

44
# also includes Central America and the Caribbean
@@ -1742,9 +1742,13 @@ Zone America/Dawson_Creek -8:00:56 -LMT1884
17421742
# The individual that answered the phone confirmed that the clocks did not
17431743
# move at the end of daylight saving on October 29/2006. He also told me that
17441744
# the clocks did not move this past weekend (March 11/2007)....
1745-
#
1746-
# America/Resolute should use the "Canada" Rule up to October 29/2006.
1747-
# After that it should be fixed on Eastern Standard Time until further notice.
1745+
1746+
# From Chris Walton (2008-11-13):
1747+
# ...the residents of Resolute believe that they are changing "time zones"
1748+
# twice a year. In winter months, local time is qualified with "Eastern
1749+
# Time" which is really "Eastern Standard Time (UTC-5)". In summer
1750+
# months, local time is qualified with "Central Time" which is really
1751+
# "Central Daylight Time (UTC-5)"...
17481752

17491753
# RuleNAMEFROMTOTYPEINONATSAVELETTER/S
17501754
RuleNT_YK1918only-Apr142:001:00D
@@ -1772,11 +1776,14 @@ Zone America/Iqaluit0-zzz1942 Aug # Frobisher Bay est.
17721776
-6:00CanadaC%sT2000 Oct 29 2:00
17731777
-5:00CanadaE%sT
17741778
# aka Qausuittuq
1779+
# RuleNAMEFROMTOTYPEINONATSAVELETTER/S
1780+
RuleResolute 2006max-NovSun>=12:000ES
1781+
RuleResolute 2007max-MarSun>=82:000CD
17751782
Zone America/Resolute0-zzz1947 Aug 31 # Resolute founded
17761783
-6:00NT_YKC%sT2000 Oct 29 2:00
17771784
-5:00-EST2001 Apr 1 3:00
17781785
-6:00CanadaC%sT2006 Oct 29 2:00
1779-
-5:00-EST
1786+
-5:00Resolute%sT
17801787
# aka Kangiqiniq
17811788
Zone America/Rankin_Inlet 0-zzz1957 # Rankin Inlet founded
17821789
-6:00NT_YKC%sT2000 Oct 29 2:00
@@ -2280,7 +2287,7 @@ RuleCuba1996only-Oct 60:00s0S
22802287
RuleCuba1997only-Oct120:00s0S
22812288
RuleCuba19981999-MarlastSun0:00s1:00D
22822289
RuleCuba19982003-OctlastSun0:00s0S
2283-
RuleCuba20002006-AprSun>=10:00s1:00D
2290+
RuleCuba20002004-AprSun>=10:00s1:00D
22842291
RuleCuba2006max-OctlastSun0:00s0S
22852292
RuleCuba2007only-MarSun>=80:00s1:00D
22862293
RuleCuba2008max-MarSun>=150:00s1:00D

‎src/timezone/data/zone.tab

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@@ -1,4 +1,4 @@
1-
# @(#)zone.tab8.21
1+
# @(#)zone.tab8.26
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#
33
# TZ zone descriptions
44
#
@@ -116,7 +116,7 @@ CA+4901-08816America/NipigonEastern Time - Ontario & Quebec - places that did
116116
CA+4823-08915America/Thunder_BayEastern Time - Thunder Bay, Ontario
117117
CA+6344-06828America/IqaluitEastern Time - east Nunavut - most locations
118118
CA+6608-06544America/PangnirtungEastern Time - Pangnirtung, Nunavut
119-
CA+744144-0944945America/ResoluteEastern Time - Resolute, Nunavut
119+
CA+744144-0944945America/ResoluteEasternStandardTime - Resolute, Nunavut
120120
CA+484531-0913718America/AtikokanEastern Standard Time - Atikokan, Ontario and Southampton I, Nunavut
121121
CA+624900-0920459America/Rankin_InletCentral Time - central Nunavut
122122
CA+4953-09709America/WinnipegCentral Time - Manitoba & west Ontario
@@ -292,7 +292,7 @@ NG+0627+00324Africa/Lagos
292292
NI+1209-08617America/Managua
293293
NL+5222+00454Europe/Amsterdam
294294
NO+5955+01045Europe/Oslo
295-
NP+2743+08519Asia/Katmandu
295+
NP+2743+08519Asia/Kathmandu
296296
NR-0031+16655Pacific/Nauru
297297
NU-1901-16955Pacific/Niue
298298
NZ-3652+17446Pacific/Aucklandmost locations

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