--- a/make/data/tzdata/VERSION Tue Jan 30 19:13:26 2018 -0800
+++ b/make/data/tzdata/VERSION Wed Jan 31 22:55:12 2018 -0800
@@ -21,4 +21,4 @@
# or visit www.oracle.com if you need additional information or have any
# questions.
#
-tzdata2017c
+tzdata2018c
--- a/make/data/tzdata/africa Tue Jan 30 19:13:26 2018 -0800
+++ b/make/data/tzdata/africa Wed Jan 31 22:55:12 2018 -0800
@@ -181,7 +181,6 @@
Link Africa/Abidjan Africa/Lome # Togo
Link Africa/Abidjan Africa/Nouakchott # Mauritania
Link Africa/Abidjan Africa/Ouagadougou # Burkina Faso
-Link Africa/Abidjan Africa/Sao_Tome # São Tomé and Príncipe
Link Africa/Abidjan Atlantic/St_Helena # St Helena
# Djibouti
@@ -448,7 +447,7 @@
#
# The Nautical Almanac for the Year 1970, p 264, is the source for -0:44:30.
#
-# In 1972 Liberia was the last country to switch from a UTC offset
+# In 1972 Liberia was the last country to switch from a UT offset
# that was not a multiple of 15 or 20 minutes. The 1972 change was on
# 1972-01-07, according to an entry dated 1972-01-04 on p 330 of:
# Presidential Papers: First year of the administration of
@@ -1060,6 +1059,19 @@
# Inaccessible, Nightingale: uninhabited
# São Tomé and Príncipe
+
+# From Steffen Thorsen (2018-01-08):
+# Multiple sources tell that São Tomé changed from UTC to UTC+1 as
+# they entered the year 2018.
+# From Michael Deckers (2018-01-08):
+# the switch is from 01:00 to 02:00 ... [Decree No. 25/2017]
+# http://www.mnec.gov.st/index.php/publicacoes/documentos/file/90-decreto-lei-n-25-2017
+
+Zone Africa/Sao_Tome 0:26:56 - LMT 1884
+ -0:36:45 - LMT 1912 # Lisbon Mean Time
+ 0:00 - GMT 2018 Jan 1 01:00
+ 1:00 - WAT
+
# Senegal
# See Africa/Abidjan.
--- a/make/data/tzdata/asia Tue Jan 30 19:13:26 2018 -0800
+++ b/make/data/tzdata/asia Wed Jan 31 22:55:12 2018 -0800
@@ -73,7 +73,7 @@
# 9:00 KST KDT Korea when at +09
# 9:30 ACST Australian Central Standard Time
# Otherwise, these tables typically use numeric abbreviations like +03
-# and +0330 for integer hour and minute UTC offsets. Although earlier
+# and +0330 for integer hour and minute UT offsets. Although earlier
# editions invented alphabetic time zone abbreviations for every
# offset, this did not reflect common practice.
#
@@ -670,17 +670,17 @@
# time", in which abolished the adoption of Western Standard Time in
# western islands (listed above), which means the whole Japan
# territory, including later occupations, adopt Japan Central Time
-# (UTC+9). The adoption began on Oct 1, 1937. The original text can
+# (UT+9). The adoption began on Oct 1, 1937. The original text can
# be found on Wikisource:
# https://ja.wikisource.org/wiki/明治二十八年勅令第百六十七號標準時ニ關スル件中改正ノ件
#
-# That is, the time zone of Taipei switched to UTC+9 on Oct 1, 1937.
+# That is, the time zone of Taipei switched to UT+9 on Oct 1, 1937.
# From Yu-Cheng Chuang (2014-07-02):
-# I've found more evidence about when the time zone was switched from UTC+9
-# back to UTC+8 after WW2. I believe it was on Sep 21, 1945. In a document
+# I've found more evidence about when the time zone was switched from UT+9
+# back to UT+8 after WW2. I believe it was on Sep 21, 1945. In a document
# during Japanese era [1] in which the officer told the staff to change time
-# zone back to Western Standard Time (UTC+8) on Sep 21. And in another
+# zone back to Western Standard Time (UT+8) on Sep 21. And in another
# history page of National Cheng Kung University [2], on Sep 21 there is a
# note "from today, switch back to Western Standard Time". From these two
# materials, I believe that the time zone change happened on Sep 21. And
@@ -1487,17 +1487,17 @@
# of the Japanese wanted to scrap daylight-saving time, as opposed to 30% who
# wanted to keep it.)
-# From Paul Eggert (2006-03-22):
-# Shanks & Pottenger write that DST in Japan during those years was as follows:
+# From Takayuki Nikai (2018-01-19):
+# The source of information is Japanese law.
+# http://www.shugiin.go.jp/internet/itdb_housei.nsf/html/houritsu/00219480428029.htm
+# http://www.shugiin.go.jp/internet/itdb_housei.nsf/html/houritsu/00719500331039.htm
+# ... In summary, it is written as follows. From 24:00 on the first Saturday
+# in May, until 0:00 on the day after the second Saturday in September.
# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
-Rule Japan 1948 only - May Sun>=1 2:00 1:00 D
-Rule Japan 1948 1951 - Sep Sat>=8 2:00 0 S
-Rule Japan 1949 only - Apr Sun>=1 2:00 1:00 D
-Rule Japan 1950 1951 - May Sun>=1 2:00 1:00 D
-# but the only locations using it (for birth certificates, presumably, since
-# their audience is astrologers) were US military bases. For now, assume
-# that for most purposes daylight-saving time was observed; otherwise, what
-# would have been the point of the 1951 poll?
+Rule Japan 1948 only - May Sat>=1 24:00 1:00 D
+Rule Japan 1948 1951 - Sep Sun>=9 0:00 0 S
+Rule Japan 1949 only - Apr Sat>=1 24:00 1:00 D
+Rule Japan 1950 1951 - May Sat>=1 24:00 1:00 D
# From Hideyuki Suzuki (1998-11-09):
# 'Tokyo' usually stands for the former location of Tokyo Astronomical
@@ -1528,7 +1528,7 @@
#
# ...the Showa Emperor announced Ordinance No. 529 of Showa Year 12 ... which
# means the whole Japan territory, including later occupations, adopt Japan
-# Central Time (UTC+9). The adoption began on Oct 1, 1937.
+# Central Time (UT+9). The adoption began on Oct 1, 1937.
# https://ja.wikisource.org/wiki/明治二十八年勅令第百六十七號標準時ニ關スル件中改正ノ件
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
@@ -2089,8 +2089,8 @@
# Maldives
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
-Zone Indian/Maldives 4:54:00 - LMT 1880 # Male
- 4:54:00 - MMT 1960 # Male Mean Time
+Zone Indian/Maldives 4:54:00 - LMT 1880 # Malé
+ 4:54:00 - MMT 1960 # Malé Mean Time
5:00 - +05
# Mongolia
--- a/make/data/tzdata/australasia Tue Jan 30 19:13:26 2018 -0800
+++ b/make/data/tzdata/australasia Wed Jan 31 22:55:12 2018 -0800
@@ -706,8 +706,8 @@
# From Steffen Thorsen (2012-07-25)
# ... we double checked by calling hotels and offices based in Tokelau asking
# about the time there, and they all told a time that agrees with UTC+13....
-# Shanks says UTC-10 from 1901 [but] ... there is a good chance the change
-# actually was to UTC-11 back then.
+# Shanks says UT-10 from 1901 [but] ... there is a good chance the change
+# actually was to UT-11 back then.
#
# From Paul Eggert (2012-07-25)
# A Google Books snippet of Appendix to the Journals of the House of
@@ -1473,7 +1473,7 @@
#
# From Paul Eggert (2006-03-22):
# The Department of Internal Affairs (DIA) maintains a brief history,
-# as does Carol Squires; see tz-link.htm for the full references.
+# as does Carol Squires; see tz-link.html for the full references.
# Use these sources in preference to Shanks & Pottenger.
#
# For Chatham, IATA SSIM (1991/1999) gives the NZ rules but with
--- a/make/data/tzdata/europe Tue Jan 30 19:13:26 2018 -0800
+++ b/make/data/tzdata/europe Wed Jan 31 22:55:12 2018 -0800
@@ -91,14 +91,15 @@
# 0:00 WET WEST WEMT Western Europe
# 0:19:32.13 AMT* NST* Amsterdam, Netherlands Summer (1835-1937)
# 1:00 BST British Standard (1968-1971)
+# 1:00 IST GMT Irish Standard (1968-) with winter DST
# 1:00 CET CEST CEMT Central Europe
# 1:00:14 SET Swedish (1879-1899)
# 1:36:34 RMT* LST* Riga, Latvian Summer (1880-1926)*
# 2:00 EET EEST Eastern Europe
# 3:00 MSK MSD MDST* Moscow
-# From Peter Ilieve (1994-12-04),
-# The original six [EU members]: Belgium, France, (West) Germany, Italy,
+# From Peter Ilieve (1994-12-04), re EEC/EC/EU members:
+# The original six: Belgium, France, (West) Germany, Italy,
# Luxembourg, the Netherlands.
# Plus, from 1 Jan 73: Denmark, Ireland, United Kingdom.
# Plus, from 1 Jan 81: Greece.
@@ -301,16 +302,31 @@
# The following claim by Shanks & Pottenger is possible though doubtful;
# we'll ignore it for now.
# * Dublin's 1971-10-31 switch was at 02:00, even though London's was 03:00.
-#
+
+# From Paul Eggert (2017-12-04):
#
-# Whitman says Dublin Mean Time was -0:25:21, which is more precise than
-# Shanks & Pottenger.
-# Perhaps this was Dunsink Observatory Time, as Dunsink Observatory
-# (8 km NW of Dublin's center) seemingly was to Dublin as Greenwich was
-# to London. For example:
+# Dunsink Observatory (8 km NW of Dublin's center) was to Dublin as
+# Greenwich was to London. For example:
#
# "Timeball on the ballast office is down. Dunsink time."
# -- James Joyce, Ulysses
+#
+# The abbreviation DMT stood for "Dublin Mean Time" or "Dunsink Mean Time";
+# this being Ireland, opinions differed.
+#
+# Whitman says Dublin/Dunsink Mean Time was UT-00:25:21, which agrees
+# with measurements of recent visitors to the Meridian Room of Dunsink
+# Observatory; see Malone D. Dunsink and timekeeping. 2016-01-24.
+# <https://www.maths.tcd.ie/~dwmalone/time/dunsink.html>. Malone
+# writes that the Nautical Almanac listed UT-00:25:22 until 1896, when
+# it moved to UT-00:25:21.1 (I confirmed that the 1893 edition used
+# the former and the 1896 edition used the latter). Evidently the
+# news of this change propagated slowly, as Milne 1899 still lists
+# UT-00:25:22 and cites the International Telegraph Bureau. As it is
+# not clear that there was any practical significance to the change
+# from UT-00:25:22 to UT-00:25:21.1 in civil timekeeping, omit this
+# transition for now and just use the latter value, omitting its
+# fraction since our format cannot represent fractions.
# "Countess Markievicz ... claimed that the [1916] abolition of Dublin Mean Time
# was among various actions undertaken by the 'English' government that
@@ -370,12 +386,28 @@
# regulations. I spoke this morning with the Secretary of the Department of
# Justice (tel +353 1 678 9711) who confirmed to me that the correct name is
# "Irish Summer Time", abbreviated to "IST".
+#
+# From Paul Eggert (2017-12-07):
+# The 1996 anonymous contributor's goal was to determine the correct
+# abbreviation for summer time in Dublin and so the contributor
+# focused on the "IST", not on the "Irish Summer Time". Though the
+# "IST" was correct, the "Irish Summer Time" appears to have been an
+# error, as Ireland's Standard Time (Amendment) Act, 1971 states that
+# standard time in Ireland remains at UT +01 and is observed in
+# summer, and that Greenwich mean time is observed in winter. (Thanks
+# to Derick Rethans for pointing out the error.) That is, when
+# Ireland amended the 1968 act that established UT +01 as Irish
+# Standard Time, it left standard time unchanged and established GMT
+# as a negative daylight saving time in winter. So, in this database
+# IST stands for Irish Summer Time for timestamps before 1968, and for
+# Irish Standard Time after that. See:
+# http://www.irishstatutebook.ie/eli/1971/act/17/enacted/en/print
# Michael Deckers (2017-06-01) gave the following URLs for Ireland's
# Summer Time Act, 1925 and Summer Time Orders, 1926 and 1947:
-# http://www.irishstatutebook.ie/eli/1925/act/8/enacted/en/print.html
-# http://www.irishstatutebook.ie/eli/1926/sro/919/made/en/print.html
-# http://www.irishstatutebook.ie/eli/1947/sro/71/made/en/print.html
+# http://www.irishstatutebook.ie/eli/1925/act/8/enacted/en/print
+# http://www.irishstatutebook.ie/eli/1926/sro/919/made/en/print
+# http://www.irishstatutebook.ie/eli/1947/sro/71/made/en/print
# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
# Summer Time Act, 1916
@@ -499,9 +531,23 @@
Link Europe/London Europe/Guernsey
Link Europe/London Europe/Isle_of_Man
+# From Paul Eggert (2018-01-19):
+# The following is like GB-Eire and EU, except with standard time in
+# summer and negative daylight saving time in winter.
+# Although currently commented out, this will need to become uncommented
+# once the ICU/OpenJDK workaround is removed; see below.
+# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
+#Rule Eire 1971 only - Oct 31 2:00u -1:00 GMT
+#Rule Eire 1972 1980 - Mar Sun>=16 2:00u 0 IST
+#Rule Eire 1972 1980 - Oct Sun>=23 2:00u -1:00 GMT
+#Rule Eire 1981 max - Mar lastSun 1:00u 0 IST
+#Rule Eire 1981 1989 - Oct Sun>=23 1:00u -1:00 GMT
+#Rule Eire 1990 1995 - Oct Sun>=22 1:00u -1:00 GMT
+#Rule Eire 1996 max - Oct lastSun 1:00u -1:00 GMT
+
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
Zone Europe/Dublin -0:25:00 - LMT 1880 Aug 2
- -0:25:21 - DMT 1916 May 21 2:00s # Dublin MT
+ -0:25:21 - DMT 1916 May 21 2:00s
-0:25:21 1:00 IST 1916 Oct 1 2:00s
0:00 GB-Eire %s 1921 Dec 6 # independence
0:00 GB-Eire GMT/IST 1940 Feb 25 2:00s
@@ -510,16 +556,33 @@
0:00 1:00 IST 1947 Nov 2 2:00s
0:00 - GMT 1948 Apr 18 2:00s
0:00 GB-Eire GMT/IST 1968 Oct 27
+# From Paul Eggert (2018-01-18):
+# The next line should look like this:
+# 1:00 Eire IST/GMT
+# However, in January 2018 we discovered that the Eire rules cause
+# problems with tests for ICU:
+# https://mm.icann.org/pipermail/tz/2018-January/025825.html
+# and with tests for OpenJDK:
+# https://mm.icann.org/pipermail/tz/2018-January/025822.html
+# To work around this problem, use a traditional approximation for
+# time stamps after 1971-10-31 02:00 UTC, to give ICU and OpenJDK
+# developers breathing room to fix bugs. This approximation has
+# correct UTC offsets, but results in tm_isdst flags are the reverse
+# of what they should be. This workaround is temporary and should be
+# removed reasonably soon.
1:00 - IST 1971 Oct 31 2:00u
0:00 GB-Eire GMT/IST 1996
0:00 EU GMT/IST
+# End of workaround for ICU and OpenJDK bugs.
+
###############################################################################
# Europe
-# EU rules are for the European Union, previously known as the EC, EEC,
-# Common Market, etc.
+# The following rules are for the European Union and for its
+# predecessor organization, the European Communities.
+# For brevity they are called "EU rules" elsewhere in this file.
# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
Rule EU 1977 1980 - Apr Sun>=1 1:00u 1:00 S
@@ -952,7 +1015,7 @@
# The page http://www.retsinfo.dk/_GETDOCI_/ACCN/A18930008330-REGL
# confirms this, and states that the law was put forth 1893-03-29.
#
-# The EU treaty with effect from 1973:
+# The EU [actually, EEC and Euratom] treaty with effect from 1973:
# http://www.retsinfo.dk/_GETDOCI_/ACCN/A19722110030-REGL
#
# This provoked a new law from 1974 to make possible summer time changes
@@ -1008,9 +1071,10 @@
# East Greenland and Franz Josef Land, but we don't know their time zones.
# My source for this is Wilhelm Dege's book mentioned under Svalbard.
#
-# From Paul Eggert (2006-03-22):
-# Greenland joined the EU as part of Denmark, obtained home rule on 1979-05-01,
-# and left the EU on 1985-02-01. It therefore should have been using EU
+# From Paul Eggert (2017-12-10):
+# Greenland joined the European Communities as part of Denmark,
+# obtained home rule on 1979-05-01, and left the European Communities
+# on 1985-02-01. It therefore should have been using EU
# rules at least through 1984. Shanks & Pottenger say Scoresbysund and Godthåb
# used C-Eur rules after 1980, but IATA SSIM (1991/1996) says they use EU
# rules since at least 1991. Assume EU rules since 1980.
@@ -1324,7 +1388,7 @@
# From Markus Kuhn (1998-09-29):
# The German time zone web site by the Physikalisch-Technische
# Bundesanstalt contains DST information back to 1916.
-# [See tz-link.htm for the URL.]
+# [See tz-link.html for the URL.]
# From Jörg Schilling (2002-10-23):
# In 1945, Berlin was switched to Moscow Summer time (GMT+4) by
@@ -1421,7 +1485,7 @@
1:00 Greece CE%sT 1944 Apr 4
2:00 Greece EE%sT 1981
# Shanks & Pottenger say it switched to C-Eur in 1981;
- # go with EU instead, since Greece joined it on Jan 1.
+ # go with EU rules instead, since Greece joined Jan 1.
2:00 EU EE%sT
# Hungary
@@ -2120,7 +2184,7 @@
# IATA SSIM (1991/1992) reports that the Azores were at -1:00.
# IATA SSIM (1993-02) says +0:00; later issues (through 1996-09) say -1:00.
# Guess that the Azores changed to EU rules in 1992 (since that's when Portugal
-# harmonized with the EU), and that they stayed +0:00 that winter.
+# harmonized with EU rules), and that they stayed +0:00 that winter.
#
# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
# DSH writes that despite Decree 1,469 (1915), the change to the clocks was not
@@ -2795,9 +2859,9 @@
#
# https://regnum.ru/news/society/1957270.html
# has some historical data for Altai Krai:
-# before 1957: west part on UTC+6, east on UTC+7
-# after 1957: UTC+7
-# since 1995: UTC+6
+# before 1957: west part on UT+6, east on UT+7
+# after 1957: UT+7
+# since 1995: UT+6
# http://barnaul.rusplt.ru/index/pochemu_altajskij_kraj_okazalsja_v_neprivychnom_chasovom_pojase-17648.html
# confirms that and provides more details including 1995-05-28 transition date.
@@ -3605,6 +3669,17 @@
# The change is permanent, so this is the new standard time in Turkey.
# It takes effect today, which is not much notice.
+# From Kıvanç Yazan (2017-10-28):
+# Turkey will go back to Daylight Saving Time starting 2018-10.
+# http://www.resmigazete.gov.tr/eskiler/2017/10/20171028-5.pdf
+#
+# From Even Scharning (2017-11-08):
+# ... today it was announced that the DST will become "continuous":
+# http://www.hurriyet.com.tr/son-dakika-yaz-saati-uygulamasi-surekli-hale-geldi-40637482
+# From Paul Eggert (2017-11-08):
+# Although Google Translate misfires on that source, it looks like
+# Turkey reversed last month's decision, and so will stay at +03.
+
# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
Rule Turkey 1916 only - May 1 0:00 1:00 S
Rule Turkey 1916 only - Oct 1 0:00 0 -
--- a/make/data/tzdata/leapseconds Tue Jan 30 19:13:26 2018 -0800
+++ b/make/data/tzdata/leapseconds Wed Jan 31 22:55:12 2018 -0800
@@ -80,5 +80,5 @@
Leap 2015 Jun 30 23:59:60 + S
Leap 2016 Dec 31 23:59:60 + S
-# Updated through IERS Bulletin C54
-# File expires on: 28 June 2018
+# Updated through IERS Bulletin C55
+# File expires on: 28 December 2018
--- a/make/data/tzdata/northamerica Tue Jan 30 19:13:26 2018 -0800
+++ b/make/data/tzdata/northamerica Wed Jan 31 22:55:12 2018 -0800
@@ -371,6 +371,18 @@
# Nebraska, eastern North Dakota, Oklahoma, eastern South Dakota,
# western Tennessee, most of Texas, Wisconsin
+# From Paul Eggert (2018-01-07):
+# In 1869 the Chicago Astronomical Society contracted with the city to keep
+# time. Though delayed by the Great Fire, by 1880 a wire ran from the
+# Dearborn Observatory (on the University of Chicago campus) to City Hall,
+# which then sent signals to police and fire stations. However, railroads got
+# their time signals from the Allegheny Observatory, the Madison Observatory,
+# the Ann Arbor Observatory, etc., so their clocks did not agree with each
+# other or with the city's official time. The confusion took some years to
+# clear up. See:
+# Moser M. How Chicago gave America its time zones. Chicago. 2018-01-04.
+# http://www.chicagomag.com/city-life/January-2018/How-Chicago-Gave-America-Its-Time-Zones/
+
# From Larry M. Smith (2006-04-26) re Wisconsin:
# https://docs.legis.wisconsin.gov/statutes/statutes/175.pdf
# is currently enforced at the 01:00 time of change. Because the local
@@ -1919,7 +1931,7 @@
# manager of the Creston & District Museum. The article was written in May 2009.
# http://www.ilovecreston.com/?p=articles&t=spec&ar=260
# According to the article, Creston has not changed its clocks since June 1918.
-# i.e. Creston has been stuck on UTC-7 for 93 years.
+# i.e. Creston has been stuck on UT-7 for 93 years.
# Dawson Creek, on the other hand, changed its clocks as recently as April 1972.
# Unfortunately the exact date for the time change in June 1918 remains
--- a/make/data/tzdata/southamerica Tue Jan 30 19:13:26 2018 -0800
+++ b/make/data/tzdata/southamerica Wed Jan 31 22:55:12 2018 -0800
@@ -48,7 +48,7 @@
# https://www.jstor.org/stable/1774359
#
# These tables use numeric abbreviations like -03 and -0330 for
-# integer hour and minute UTC offsets. Although earlier editions used
+# integer hour and minute UT offsets. Although earlier editions used
# alphabetic time zone abbreviations, these abbreviations were
# invented and did not reflect common practice.
@@ -602,7 +602,7 @@
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
Zone America/La_Paz -4:32:36 - LMT 1890
-4:32:36 - CMT 1931 Oct 15 # Calamarca MT
- -4:32:36 1:00 BOST 1932 Mar 21 # Bolivia ST
+ -4:32:36 1:00 BST 1932 Mar 21 # Bolivia ST
-4:00 - -04
# Brazil
@@ -931,12 +931,25 @@
# [t]he DST period in Brazil now on will be from the 3rd Oct Sunday to the
# 3rd Feb Sunday. There is an exception on the return date when this is
# the Carnival Sunday then the return date will be the next Sunday...
-Rule Brazil 2008 max - Oct Sun>=15 0:00 1:00 S
+Rule Brazil 2008 2017 - Oct Sun>=15 0:00 1:00 S
Rule Brazil 2008 2011 - Feb Sun>=15 0:00 0 -
+# Decree 7,584 <http://pcdsh01.on.br/HVdecreto7584_20111013.jpg> (2011-10-13)
+# added Bahia.
Rule Brazil 2012 only - Feb Sun>=22 0:00 0 -
+# Decree 7,826 <http://pcdsh01.on.br/HVdecreto7826_20121015.jpg> (2012-10-15)
+# removed Bahia and added Tocantins.
+# Decree 8,112 <http://pcdsh01.on.br/HVdecreto8112_20130930.JPG> (2013-09-30)
+# removed Tocantins.
Rule Brazil 2013 2014 - Feb Sun>=15 0:00 0 -
Rule Brazil 2015 only - Feb Sun>=22 0:00 0 -
Rule Brazil 2016 2022 - Feb Sun>=15 0:00 0 -
+# From Steffen Thorsen (2017-12-18):
+# According to many media sources, next year's DST start in Brazil will move to
+# the first Sunday of November, and it will stay like that for the years after.
+# ... https://www.timeanddate.com/news/time/brazil-delays-dst-2018.html
+# From Steffen Thorsen (2017-12-20):
+# http://www.planalto.gov.br/ccivil_03/_ato2015-2018/2017/decreto/D9242.htm
+Rule Brazil 2018 max - Nov Sun>=1 0:00 1:00 S
Rule Brazil 2023 only - Feb Sun>=22 0:00 0 -
Rule Brazil 2024 2025 - Feb Sun>=15 0:00 0 -
Rule Brazil 2026 only - Feb Sun>=22 0:00 0 -
@@ -1091,7 +1104,7 @@
# From Paul Eggert (2015-04-03):
# Shanks & Pottenger says America/Santiago introduced standard time in
-# 1890 and rounds its UTC offset to 70W40; guess that in practice this
+# 1890 and rounds its UT offset to 70W40; guess that in practice this
# was the same offset as in 1916-1919. It also says Pacific/Easter
# standardized on 109W22 in 1890; assume this didn't change the clocks.
#
--- a/make/data/tzdata/zone.tab Tue Jan 30 19:13:26 2018 -0800
+++ b/make/data/tzdata/zone.tab Wed Jan 31 22:55:12 2018 -0800
@@ -395,7 +395,7 @@
SN +1440-01726 Africa/Dakar
SO +0204+04522 Africa/Mogadishu
SR +0550-05510 America/Paramaribo
-SS +0451+03136 Africa/Juba
+SS +0451+03137 Africa/Juba
ST +0020+00644 Africa/Sao_Tome
SV +1342-08912 America/El_Salvador
SX +180305-0630250 America/Lower_Princes
--- a/src/java.base/share/classes/java/time/format/ZoneName.java Tue Jan 30 19:13:26 2018 -0800
+++ b/src/java.base/share/classes/java/time/format/ZoneName.java Wed Jan 31 22:55:12 2018 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2013, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2013, 2018, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -411,7 +411,7 @@
"Pacific/Wake", "Wake", "Pacific/Wake",
"Pacific/Pago_Pago", "Samoa", "Pacific/Apia",
"America/Moncton", "Atlantic", "America/Halifax",
- "Africa/Sao_Tome", "GMT", "Atlantic/Reykjavik",
+ "Africa/Sao_Tome", "Africa_Western", "Africa/Lagos",
"America/Glace_Bay", "Atlantic", "America/Halifax",
"Asia/Jakarta", "Indonesia_Western", "Asia/Jakarta",
"Africa/Asmera", "Africa_Eastern", "Africa/Nairobi",
@@ -494,7 +494,6 @@
"America/Kralendijk", "Atlantic", "America/Halifax",
};
private static final String[] mzoneMap = new String[] {
- "GMT", "ST", "Africa/Sao_Tome",
"GMT", "ML", "Africa/Bamako",
"GMT", "IE", "Europe/Dublin",
"GMT", "SN", "Africa/Dakar",
@@ -509,6 +508,7 @@
"GMT", "GB", "Europe/London",
"GMT", "LR", "Africa/Monrovia",
"GMT", "TG", "Africa/Lome",
+ "Africa_Western", "ST", "Africa/Sao_Tome",
"Africa_Western", "CF", "Africa/Bangui",
"Africa_Western", "NE", "Africa/Niamey",
"Africa_Western", "CM", "Africa/Douala",
--- a/src/java.base/share/classes/sun/util/resources/TimeZoneNames.java Tue Jan 30 19:13:26 2018 -0800
+++ b/src/java.base/share/classes/sun/util/resources/TimeZoneNames.java Wed Jan 31 22:55:12 2018 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 1996, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1996, 2018, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -370,7 +370,7 @@
{"Africa/Nouakchott", GMT},
{"Africa/Ouagadougou", GMT},
{"Africa/Porto-Novo", WAT},
- {"Africa/Sao_Tome", GMT},
+ {"Africa/Sao_Tome", WAT},
{"Africa/Timbuktu", GMT},
{"Africa/Tripoli", EET},
{"Africa/Tunis", CET},
--- a/src/jdk.localedata/share/classes/sun/util/resources/ext/TimeZoneNames_de.java Tue Jan 30 19:13:26 2018 -0800
+++ b/src/jdk.localedata/share/classes/sun/util/resources/ext/TimeZoneNames_de.java Wed Jan 31 22:55:12 2018 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 1997, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2018, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -371,7 +371,7 @@
{"Africa/Nouakchott", GMT},
{"Africa/Ouagadougou", GMT},
{"Africa/Porto-Novo", WAT},
- {"Africa/Sao_Tome", GMT},
+ {"Africa/Sao_Tome", WAT},
{"Africa/Timbuktu", GMT},
{"Africa/Tripoli", EET},
{"Africa/Tunis", CET},
--- a/src/jdk.localedata/share/classes/sun/util/resources/ext/TimeZoneNames_es.java Tue Jan 30 19:13:26 2018 -0800
+++ b/src/jdk.localedata/share/classes/sun/util/resources/ext/TimeZoneNames_es.java Wed Jan 31 22:55:12 2018 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 1997, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2018, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -371,7 +371,7 @@
{"Africa/Nouakchott", GMT},
{"Africa/Ouagadougou", GMT},
{"Africa/Porto-Novo", WAT},
- {"Africa/Sao_Tome", GMT},
+ {"Africa/Sao_Tome", WAT},
{"Africa/Timbuktu", GMT},
{"Africa/Tripoli", EET},
{"Africa/Tunis", CET},
--- a/src/jdk.localedata/share/classes/sun/util/resources/ext/TimeZoneNames_fr.java Tue Jan 30 19:13:26 2018 -0800
+++ b/src/jdk.localedata/share/classes/sun/util/resources/ext/TimeZoneNames_fr.java Wed Jan 31 22:55:12 2018 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 1997, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2018, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -371,7 +371,7 @@
{"Africa/Nouakchott", GMT},
{"Africa/Ouagadougou", GMT},
{"Africa/Porto-Novo", WAT},
- {"Africa/Sao_Tome", GMT},
+ {"Africa/Sao_Tome", WAT},
{"Africa/Timbuktu", GMT},
{"Africa/Tripoli", EET},
{"Africa/Tunis", CET},
--- a/src/jdk.localedata/share/classes/sun/util/resources/ext/TimeZoneNames_it.java Tue Jan 30 19:13:26 2018 -0800
+++ b/src/jdk.localedata/share/classes/sun/util/resources/ext/TimeZoneNames_it.java Wed Jan 31 22:55:12 2018 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 1997, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2018, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -371,7 +371,7 @@
{"Africa/Nouakchott", GMT},
{"Africa/Ouagadougou", GMT},
{"Africa/Porto-Novo", WAT},
- {"Africa/Sao_Tome", GMT},
+ {"Africa/Sao_Tome", WAT},
{"Africa/Timbuktu", GMT},
{"Africa/Tripoli", EET},
{"Africa/Tunis", CET},
--- a/src/jdk.localedata/share/classes/sun/util/resources/ext/TimeZoneNames_ja.java Tue Jan 30 19:13:26 2018 -0800
+++ b/src/jdk.localedata/share/classes/sun/util/resources/ext/TimeZoneNames_ja.java Wed Jan 31 22:55:12 2018 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 1997, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2018, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -371,7 +371,7 @@
{"Africa/Nouakchott", GMT},
{"Africa/Ouagadougou", GMT},
{"Africa/Porto-Novo", WAT},
- {"Africa/Sao_Tome", GMT},
+ {"Africa/Sao_Tome", WAT},
{"Africa/Timbuktu", GMT},
{"Africa/Tripoli", EET},
{"Africa/Tunis", CET},
--- a/src/jdk.localedata/share/classes/sun/util/resources/ext/TimeZoneNames_ko.java Tue Jan 30 19:13:26 2018 -0800
+++ b/src/jdk.localedata/share/classes/sun/util/resources/ext/TimeZoneNames_ko.java Wed Jan 31 22:55:12 2018 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 1997, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2018, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -371,7 +371,7 @@
{"Africa/Nouakchott", GMT},
{"Africa/Ouagadougou", GMT},
{"Africa/Porto-Novo", WAT},
- {"Africa/Sao_Tome", GMT},
+ {"Africa/Sao_Tome", WAT},
{"Africa/Timbuktu", GMT},
{"Africa/Tripoli", EET},
{"Africa/Tunis", CET},
--- a/src/jdk.localedata/share/classes/sun/util/resources/ext/TimeZoneNames_pt_BR.java Tue Jan 30 19:13:26 2018 -0800
+++ b/src/jdk.localedata/share/classes/sun/util/resources/ext/TimeZoneNames_pt_BR.java Wed Jan 31 22:55:12 2018 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 1997, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2018, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -371,7 +371,7 @@
{"Africa/Nouakchott", GMT},
{"Africa/Ouagadougou", GMT},
{"Africa/Porto-Novo", WAT},
- {"Africa/Sao_Tome", GMT},
+ {"Africa/Sao_Tome", WAT},
{"Africa/Timbuktu", GMT},
{"Africa/Tripoli", EET},
{"Africa/Tunis", CET},
--- a/src/jdk.localedata/share/classes/sun/util/resources/ext/TimeZoneNames_sv.java Tue Jan 30 19:13:26 2018 -0800
+++ b/src/jdk.localedata/share/classes/sun/util/resources/ext/TimeZoneNames_sv.java Wed Jan 31 22:55:12 2018 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 1997, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2018, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -371,7 +371,7 @@
{"Africa/Nouakchott", GMT},
{"Africa/Ouagadougou", GMT},
{"Africa/Porto-Novo", WAT},
- {"Africa/Sao_Tome", GMT},
+ {"Africa/Sao_Tome", WAT},
{"Africa/Timbuktu", GMT},
{"Africa/Tripoli", EET},
{"Africa/Tunis", CET},
--- a/src/jdk.localedata/share/classes/sun/util/resources/ext/TimeZoneNames_zh_CN.java Tue Jan 30 19:13:26 2018 -0800
+++ b/src/jdk.localedata/share/classes/sun/util/resources/ext/TimeZoneNames_zh_CN.java Wed Jan 31 22:55:12 2018 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 1997, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2018, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -371,7 +371,7 @@
{"Africa/Nouakchott", GMT},
{"Africa/Ouagadougou", GMT},
{"Africa/Porto-Novo", WAT},
- {"Africa/Sao_Tome", GMT},
+ {"Africa/Sao_Tome", WAT},
{"Africa/Timbuktu", GMT},
{"Africa/Tripoli", EET},
{"Africa/Tunis", CET},
--- a/src/jdk.localedata/share/classes/sun/util/resources/ext/TimeZoneNames_zh_TW.java Tue Jan 30 19:13:26 2018 -0800
+++ b/src/jdk.localedata/share/classes/sun/util/resources/ext/TimeZoneNames_zh_TW.java Wed Jan 31 22:55:12 2018 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 1997, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2018, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -371,7 +371,7 @@
{"Africa/Nouakchott", GMT},
{"Africa/Ouagadougou", GMT},
{"Africa/Porto-Novo", WAT},
- {"Africa/Sao_Tome", GMT},
+ {"Africa/Sao_Tome", WAT},
{"Africa/Timbuktu", GMT},
{"Africa/Tripoli", EET},
{"Africa/Tunis", CET},
--- a/test/jdk/java/time/test/java/time/format/ZoneName.java Tue Jan 30 19:13:26 2018 -0800
+++ b/test/jdk/java/time/test/java/time/format/ZoneName.java Wed Jan 31 22:55:12 2018 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2013, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2013, 2018, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -194,7 +194,7 @@
"Pacific/Rarotonga", "Cook", "Pacific/Rarotonga",
"America/Louisville", "America_Eastern", "America/New_York",
"Africa/El_Aaiun", "Europe_Western", "Atlantic/Canary",
- "Africa/Sao_Tome", "GMT", "Atlantic/Reykjavik",
+ "Africa/Sao_Tome", "Africa_Western", "Africa/Lagos",
"Pacific/Fiji", "Fiji", "Pacific/Fiji",
"Asia/Damascus", "Europe_Eastern", "Europe/Bucharest",
"Asia/Ulaanbaatar", "Mongolia", "Asia/Ulaanbaatar",
@@ -508,6 +508,7 @@
"Africa_Central", "CD", "Africa/Lubumbashi",
"Africa_Central", "BI", "Africa/Bujumbura",
"Africa_Central", "RW", "Africa/Kigali",
+ "Africa_Western", "ST", "Africa/Sao_Tome",
"Africa_Western", "CF", "Africa/Bangui",
"Africa_Western", "AO", "Africa/Luanda",
"Africa_Western", "NE", "Africa/Niamey",
@@ -549,7 +550,6 @@
"GMT", "GN", "Africa/Conakry",
"GMT", "SL", "Africa/Freetown",
"GMT", "BF", "Africa/Ouagadougou",
- "GMT", "ST", "Africa/Sao_Tome",
"GMT", "SN", "Africa/Dakar",
"GMT", "CI", "Africa/Abidjan",
"GMT", "IE", "Europe/Dublin",
--- a/test/jdk/sun/util/calendar/zi/tzdata/VERSION Tue Jan 30 19:13:26 2018 -0800
+++ b/test/jdk/sun/util/calendar/zi/tzdata/VERSION Wed Jan 31 22:55:12 2018 -0800
@@ -21,4 +21,4 @@
# or visit www.oracle.com if you need additional information or have any
# questions.
#
-tzdata2017c
+tzdata2018c
--- a/test/jdk/sun/util/calendar/zi/tzdata/africa Tue Jan 30 19:13:26 2018 -0800
+++ b/test/jdk/sun/util/calendar/zi/tzdata/africa Wed Jan 31 22:55:12 2018 -0800
@@ -181,7 +181,6 @@
Link Africa/Abidjan Africa/Lome # Togo
Link Africa/Abidjan Africa/Nouakchott # Mauritania
Link Africa/Abidjan Africa/Ouagadougou # Burkina Faso
-Link Africa/Abidjan Africa/Sao_Tome # São Tomé and Príncipe
Link Africa/Abidjan Atlantic/St_Helena # St Helena
# Djibouti
@@ -448,7 +447,7 @@
#
# The Nautical Almanac for the Year 1970, p 264, is the source for -0:44:30.
#
-# In 1972 Liberia was the last country to switch from a UTC offset
+# In 1972 Liberia was the last country to switch from a UT offset
# that was not a multiple of 15 or 20 minutes. The 1972 change was on
# 1972-01-07, according to an entry dated 1972-01-04 on p 330 of:
# Presidential Papers: First year of the administration of
@@ -1060,6 +1059,19 @@
# Inaccessible, Nightingale: uninhabited
# São Tomé and Príncipe
+
+# From Steffen Thorsen (2018-01-08):
+# Multiple sources tell that São Tomé changed from UTC to UTC+1 as
+# they entered the year 2018.
+# From Michael Deckers (2018-01-08):
+# the switch is from 01:00 to 02:00 ... [Decree No. 25/2017]
+# http://www.mnec.gov.st/index.php/publicacoes/documentos/file/90-decreto-lei-n-25-2017
+
+Zone Africa/Sao_Tome 0:26:56 - LMT 1884
+ -0:36:45 - LMT 1912 # Lisbon Mean Time
+ 0:00 - GMT 2018 Jan 1 01:00
+ 1:00 - WAT
+
# Senegal
# See Africa/Abidjan.
--- a/test/jdk/sun/util/calendar/zi/tzdata/asia Tue Jan 30 19:13:26 2018 -0800
+++ b/test/jdk/sun/util/calendar/zi/tzdata/asia Wed Jan 31 22:55:12 2018 -0800
@@ -73,7 +73,7 @@
# 9:00 KST KDT Korea when at +09
# 9:30 ACST Australian Central Standard Time
# Otherwise, these tables typically use numeric abbreviations like +03
-# and +0330 for integer hour and minute UTC offsets. Although earlier
+# and +0330 for integer hour and minute UT offsets. Although earlier
# editions invented alphabetic time zone abbreviations for every
# offset, this did not reflect common practice.
#
@@ -670,17 +670,17 @@
# time", in which abolished the adoption of Western Standard Time in
# western islands (listed above), which means the whole Japan
# territory, including later occupations, adopt Japan Central Time
-# (UTC+9). The adoption began on Oct 1, 1937. The original text can
+# (UT+9). The adoption began on Oct 1, 1937. The original text can
# be found on Wikisource:
# https://ja.wikisource.org/wiki/明治二十八年勅令第百六十七號標準時ニ關スル件中改正ノ件
#
-# That is, the time zone of Taipei switched to UTC+9 on Oct 1, 1937.
+# That is, the time zone of Taipei switched to UT+9 on Oct 1, 1937.
# From Yu-Cheng Chuang (2014-07-02):
-# I've found more evidence about when the time zone was switched from UTC+9
-# back to UTC+8 after WW2. I believe it was on Sep 21, 1945. In a document
+# I've found more evidence about when the time zone was switched from UT+9
+# back to UT+8 after WW2. I believe it was on Sep 21, 1945. In a document
# during Japanese era [1] in which the officer told the staff to change time
-# zone back to Western Standard Time (UTC+8) on Sep 21. And in another
+# zone back to Western Standard Time (UT+8) on Sep 21. And in another
# history page of National Cheng Kung University [2], on Sep 21 there is a
# note "from today, switch back to Western Standard Time". From these two
# materials, I believe that the time zone change happened on Sep 21. And
@@ -1487,17 +1487,17 @@
# of the Japanese wanted to scrap daylight-saving time, as opposed to 30% who
# wanted to keep it.)
-# From Paul Eggert (2006-03-22):
-# Shanks & Pottenger write that DST in Japan during those years was as follows:
+# From Takayuki Nikai (2018-01-19):
+# The source of information is Japanese law.
+# http://www.shugiin.go.jp/internet/itdb_housei.nsf/html/houritsu/00219480428029.htm
+# http://www.shugiin.go.jp/internet/itdb_housei.nsf/html/houritsu/00719500331039.htm
+# ... In summary, it is written as follows. From 24:00 on the first Saturday
+# in May, until 0:00 on the day after the second Saturday in September.
# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
-Rule Japan 1948 only - May Sun>=1 2:00 1:00 D
-Rule Japan 1948 1951 - Sep Sat>=8 2:00 0 S
-Rule Japan 1949 only - Apr Sun>=1 2:00 1:00 D
-Rule Japan 1950 1951 - May Sun>=1 2:00 1:00 D
-# but the only locations using it (for birth certificates, presumably, since
-# their audience is astrologers) were US military bases. For now, assume
-# that for most purposes daylight-saving time was observed; otherwise, what
-# would have been the point of the 1951 poll?
+Rule Japan 1948 only - May Sat>=1 24:00 1:00 D
+Rule Japan 1948 1951 - Sep Sun>=9 0:00 0 S
+Rule Japan 1949 only - Apr Sat>=1 24:00 1:00 D
+Rule Japan 1950 1951 - May Sat>=1 24:00 1:00 D
# From Hideyuki Suzuki (1998-11-09):
# 'Tokyo' usually stands for the former location of Tokyo Astronomical
@@ -1528,7 +1528,7 @@
#
# ...the Showa Emperor announced Ordinance No. 529 of Showa Year 12 ... which
# means the whole Japan territory, including later occupations, adopt Japan
-# Central Time (UTC+9). The adoption began on Oct 1, 1937.
+# Central Time (UT+9). The adoption began on Oct 1, 1937.
# https://ja.wikisource.org/wiki/明治二十八年勅令第百六十七號標準時ニ關スル件中改正ノ件
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
@@ -2089,8 +2089,8 @@
# Maldives
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
-Zone Indian/Maldives 4:54:00 - LMT 1880 # Male
- 4:54:00 - MMT 1960 # Male Mean Time
+Zone Indian/Maldives 4:54:00 - LMT 1880 # Malé
+ 4:54:00 - MMT 1960 # Malé Mean Time
5:00 - +05
# Mongolia
--- a/test/jdk/sun/util/calendar/zi/tzdata/australasia Tue Jan 30 19:13:26 2018 -0800
+++ b/test/jdk/sun/util/calendar/zi/tzdata/australasia Wed Jan 31 22:55:12 2018 -0800
@@ -706,8 +706,8 @@
# From Steffen Thorsen (2012-07-25)
# ... we double checked by calling hotels and offices based in Tokelau asking
# about the time there, and they all told a time that agrees with UTC+13....
-# Shanks says UTC-10 from 1901 [but] ... there is a good chance the change
-# actually was to UTC-11 back then.
+# Shanks says UT-10 from 1901 [but] ... there is a good chance the change
+# actually was to UT-11 back then.
#
# From Paul Eggert (2012-07-25)
# A Google Books snippet of Appendix to the Journals of the House of
@@ -1473,7 +1473,7 @@
#
# From Paul Eggert (2006-03-22):
# The Department of Internal Affairs (DIA) maintains a brief history,
-# as does Carol Squires; see tz-link.htm for the full references.
+# as does Carol Squires; see tz-link.html for the full references.
# Use these sources in preference to Shanks & Pottenger.
#
# For Chatham, IATA SSIM (1991/1999) gives the NZ rules but with
--- a/test/jdk/sun/util/calendar/zi/tzdata/europe Tue Jan 30 19:13:26 2018 -0800
+++ b/test/jdk/sun/util/calendar/zi/tzdata/europe Wed Jan 31 22:55:12 2018 -0800
@@ -91,14 +91,15 @@
# 0:00 WET WEST WEMT Western Europe
# 0:19:32.13 AMT* NST* Amsterdam, Netherlands Summer (1835-1937)
# 1:00 BST British Standard (1968-1971)
+# 1:00 IST GMT Irish Standard (1968-) with winter DST
# 1:00 CET CEST CEMT Central Europe
# 1:00:14 SET Swedish (1879-1899)
# 1:36:34 RMT* LST* Riga, Latvian Summer (1880-1926)*
# 2:00 EET EEST Eastern Europe
# 3:00 MSK MSD MDST* Moscow
-# From Peter Ilieve (1994-12-04),
-# The original six [EU members]: Belgium, France, (West) Germany, Italy,
+# From Peter Ilieve (1994-12-04), re EEC/EC/EU members:
+# The original six: Belgium, France, (West) Germany, Italy,
# Luxembourg, the Netherlands.
# Plus, from 1 Jan 73: Denmark, Ireland, United Kingdom.
# Plus, from 1 Jan 81: Greece.
@@ -301,16 +302,31 @@
# The following claim by Shanks & Pottenger is possible though doubtful;
# we'll ignore it for now.
# * Dublin's 1971-10-31 switch was at 02:00, even though London's was 03:00.
-#
+
+# From Paul Eggert (2017-12-04):
#
-# Whitman says Dublin Mean Time was -0:25:21, which is more precise than
-# Shanks & Pottenger.
-# Perhaps this was Dunsink Observatory Time, as Dunsink Observatory
-# (8 km NW of Dublin's center) seemingly was to Dublin as Greenwich was
-# to London. For example:
+# Dunsink Observatory (8 km NW of Dublin's center) was to Dublin as
+# Greenwich was to London. For example:
#
# "Timeball on the ballast office is down. Dunsink time."
# -- James Joyce, Ulysses
+#
+# The abbreviation DMT stood for "Dublin Mean Time" or "Dunsink Mean Time";
+# this being Ireland, opinions differed.
+#
+# Whitman says Dublin/Dunsink Mean Time was UT-00:25:21, which agrees
+# with measurements of recent visitors to the Meridian Room of Dunsink
+# Observatory; see Malone D. Dunsink and timekeeping. 2016-01-24.
+# <https://www.maths.tcd.ie/~dwmalone/time/dunsink.html>. Malone
+# writes that the Nautical Almanac listed UT-00:25:22 until 1896, when
+# it moved to UT-00:25:21.1 (I confirmed that the 1893 edition used
+# the former and the 1896 edition used the latter). Evidently the
+# news of this change propagated slowly, as Milne 1899 still lists
+# UT-00:25:22 and cites the International Telegraph Bureau. As it is
+# not clear that there was any practical significance to the change
+# from UT-00:25:22 to UT-00:25:21.1 in civil timekeeping, omit this
+# transition for now and just use the latter value, omitting its
+# fraction since our format cannot represent fractions.
# "Countess Markievicz ... claimed that the [1916] abolition of Dublin Mean Time
# was among various actions undertaken by the 'English' government that
@@ -370,12 +386,28 @@
# regulations. I spoke this morning with the Secretary of the Department of
# Justice (tel +353 1 678 9711) who confirmed to me that the correct name is
# "Irish Summer Time", abbreviated to "IST".
+#
+# From Paul Eggert (2017-12-07):
+# The 1996 anonymous contributor's goal was to determine the correct
+# abbreviation for summer time in Dublin and so the contributor
+# focused on the "IST", not on the "Irish Summer Time". Though the
+# "IST" was correct, the "Irish Summer Time" appears to have been an
+# error, as Ireland's Standard Time (Amendment) Act, 1971 states that
+# standard time in Ireland remains at UT +01 and is observed in
+# summer, and that Greenwich mean time is observed in winter. (Thanks
+# to Derick Rethans for pointing out the error.) That is, when
+# Ireland amended the 1968 act that established UT +01 as Irish
+# Standard Time, it left standard time unchanged and established GMT
+# as a negative daylight saving time in winter. So, in this database
+# IST stands for Irish Summer Time for timestamps before 1968, and for
+# Irish Standard Time after that. See:
+# http://www.irishstatutebook.ie/eli/1971/act/17/enacted/en/print
# Michael Deckers (2017-06-01) gave the following URLs for Ireland's
# Summer Time Act, 1925 and Summer Time Orders, 1926 and 1947:
-# http://www.irishstatutebook.ie/eli/1925/act/8/enacted/en/print.html
-# http://www.irishstatutebook.ie/eli/1926/sro/919/made/en/print.html
-# http://www.irishstatutebook.ie/eli/1947/sro/71/made/en/print.html
+# http://www.irishstatutebook.ie/eli/1925/act/8/enacted/en/print
+# http://www.irishstatutebook.ie/eli/1926/sro/919/made/en/print
+# http://www.irishstatutebook.ie/eli/1947/sro/71/made/en/print
# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
# Summer Time Act, 1916
@@ -499,9 +531,23 @@
Link Europe/London Europe/Guernsey
Link Europe/London Europe/Isle_of_Man
+# From Paul Eggert (2018-01-19):
+# The following is like GB-Eire and EU, except with standard time in
+# summer and negative daylight saving time in winter.
+# Although currently commented out, this will need to become uncommented
+# once the ICU/OpenJDK workaround is removed; see below.
+# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
+#Rule Eire 1971 only - Oct 31 2:00u -1:00 GMT
+#Rule Eire 1972 1980 - Mar Sun>=16 2:00u 0 IST
+#Rule Eire 1972 1980 - Oct Sun>=23 2:00u -1:00 GMT
+#Rule Eire 1981 max - Mar lastSun 1:00u 0 IST
+#Rule Eire 1981 1989 - Oct Sun>=23 1:00u -1:00 GMT
+#Rule Eire 1990 1995 - Oct Sun>=22 1:00u -1:00 GMT
+#Rule Eire 1996 max - Oct lastSun 1:00u -1:00 GMT
+
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
Zone Europe/Dublin -0:25:00 - LMT 1880 Aug 2
- -0:25:21 - DMT 1916 May 21 2:00s # Dublin MT
+ -0:25:21 - DMT 1916 May 21 2:00s
-0:25:21 1:00 IST 1916 Oct 1 2:00s
0:00 GB-Eire %s 1921 Dec 6 # independence
0:00 GB-Eire GMT/IST 1940 Feb 25 2:00s
@@ -510,16 +556,33 @@
0:00 1:00 IST 1947 Nov 2 2:00s
0:00 - GMT 1948 Apr 18 2:00s
0:00 GB-Eire GMT/IST 1968 Oct 27
+# From Paul Eggert (2018-01-18):
+# The next line should look like this:
+# 1:00 Eire IST/GMT
+# However, in January 2018 we discovered that the Eire rules cause
+# problems with tests for ICU:
+# https://mm.icann.org/pipermail/tz/2018-January/025825.html
+# and with tests for OpenJDK:
+# https://mm.icann.org/pipermail/tz/2018-January/025822.html
+# To work around this problem, use a traditional approximation for
+# time stamps after 1971-10-31 02:00 UTC, to give ICU and OpenJDK
+# developers breathing room to fix bugs. This approximation has
+# correct UTC offsets, but results in tm_isdst flags are the reverse
+# of what they should be. This workaround is temporary and should be
+# removed reasonably soon.
1:00 - IST 1971 Oct 31 2:00u
0:00 GB-Eire GMT/IST 1996
0:00 EU GMT/IST
+# End of workaround for ICU and OpenJDK bugs.
+
###############################################################################
# Europe
-# EU rules are for the European Union, previously known as the EC, EEC,
-# Common Market, etc.
+# The following rules are for the European Union and for its
+# predecessor organization, the European Communities.
+# For brevity they are called "EU rules" elsewhere in this file.
# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
Rule EU 1977 1980 - Apr Sun>=1 1:00u 1:00 S
@@ -952,7 +1015,7 @@
# The page http://www.retsinfo.dk/_GETDOCI_/ACCN/A18930008330-REGL
# confirms this, and states that the law was put forth 1893-03-29.
#
-# The EU treaty with effect from 1973:
+# The EU [actually, EEC and Euratom] treaty with effect from 1973:
# http://www.retsinfo.dk/_GETDOCI_/ACCN/A19722110030-REGL
#
# This provoked a new law from 1974 to make possible summer time changes
@@ -1008,9 +1071,10 @@
# East Greenland and Franz Josef Land, but we don't know their time zones.
# My source for this is Wilhelm Dege's book mentioned under Svalbard.
#
-# From Paul Eggert (2006-03-22):
-# Greenland joined the EU as part of Denmark, obtained home rule on 1979-05-01,
-# and left the EU on 1985-02-01. It therefore should have been using EU
+# From Paul Eggert (2017-12-10):
+# Greenland joined the European Communities as part of Denmark,
+# obtained home rule on 1979-05-01, and left the European Communities
+# on 1985-02-01. It therefore should have been using EU
# rules at least through 1984. Shanks & Pottenger say Scoresbysund and Godthåb
# used C-Eur rules after 1980, but IATA SSIM (1991/1996) says they use EU
# rules since at least 1991. Assume EU rules since 1980.
@@ -1324,7 +1388,7 @@
# From Markus Kuhn (1998-09-29):
# The German time zone web site by the Physikalisch-Technische
# Bundesanstalt contains DST information back to 1916.
-# [See tz-link.htm for the URL.]
+# [See tz-link.html for the URL.]
# From Jörg Schilling (2002-10-23):
# In 1945, Berlin was switched to Moscow Summer time (GMT+4) by
@@ -1421,7 +1485,7 @@
1:00 Greece CE%sT 1944 Apr 4
2:00 Greece EE%sT 1981
# Shanks & Pottenger say it switched to C-Eur in 1981;
- # go with EU instead, since Greece joined it on Jan 1.
+ # go with EU rules instead, since Greece joined Jan 1.
2:00 EU EE%sT
# Hungary
@@ -2120,7 +2184,7 @@
# IATA SSIM (1991/1992) reports that the Azores were at -1:00.
# IATA SSIM (1993-02) says +0:00; later issues (through 1996-09) say -1:00.
# Guess that the Azores changed to EU rules in 1992 (since that's when Portugal
-# harmonized with the EU), and that they stayed +0:00 that winter.
+# harmonized with EU rules), and that they stayed +0:00 that winter.
#
# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
# DSH writes that despite Decree 1,469 (1915), the change to the clocks was not
@@ -2795,9 +2859,9 @@
#
# https://regnum.ru/news/society/1957270.html
# has some historical data for Altai Krai:
-# before 1957: west part on UTC+6, east on UTC+7
-# after 1957: UTC+7
-# since 1995: UTC+6
+# before 1957: west part on UT+6, east on UT+7
+# after 1957: UT+7
+# since 1995: UT+6
# http://barnaul.rusplt.ru/index/pochemu_altajskij_kraj_okazalsja_v_neprivychnom_chasovom_pojase-17648.html
# confirms that and provides more details including 1995-05-28 transition date.
@@ -3605,6 +3669,17 @@
# The change is permanent, so this is the new standard time in Turkey.
# It takes effect today, which is not much notice.
+# From Kıvanç Yazan (2017-10-28):
+# Turkey will go back to Daylight Saving Time starting 2018-10.
+# http://www.resmigazete.gov.tr/eskiler/2017/10/20171028-5.pdf
+#
+# From Even Scharning (2017-11-08):
+# ... today it was announced that the DST will become "continuous":
+# http://www.hurriyet.com.tr/son-dakika-yaz-saati-uygulamasi-surekli-hale-geldi-40637482
+# From Paul Eggert (2017-11-08):
+# Although Google Translate misfires on that source, it looks like
+# Turkey reversed last month's decision, and so will stay at +03.
+
# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
Rule Turkey 1916 only - May 1 0:00 1:00 S
Rule Turkey 1916 only - Oct 1 0:00 0 -
--- a/test/jdk/sun/util/calendar/zi/tzdata/leapseconds Tue Jan 30 19:13:26 2018 -0800
+++ b/test/jdk/sun/util/calendar/zi/tzdata/leapseconds Wed Jan 31 22:55:12 2018 -0800
@@ -80,5 +80,5 @@
Leap 2015 Jun 30 23:59:60 + S
Leap 2016 Dec 31 23:59:60 + S
-# Updated through IERS Bulletin C54
-# File expires on: 28 June 2018
+# Updated through IERS Bulletin C55
+# File expires on: 28 December 2018
--- a/test/jdk/sun/util/calendar/zi/tzdata/northamerica Tue Jan 30 19:13:26 2018 -0800
+++ b/test/jdk/sun/util/calendar/zi/tzdata/northamerica Wed Jan 31 22:55:12 2018 -0800
@@ -371,6 +371,18 @@
# Nebraska, eastern North Dakota, Oklahoma, eastern South Dakota,
# western Tennessee, most of Texas, Wisconsin
+# From Paul Eggert (2018-01-07):
+# In 1869 the Chicago Astronomical Society contracted with the city to keep
+# time. Though delayed by the Great Fire, by 1880 a wire ran from the
+# Dearborn Observatory (on the University of Chicago campus) to City Hall,
+# which then sent signals to police and fire stations. However, railroads got
+# their time signals from the Allegheny Observatory, the Madison Observatory,
+# the Ann Arbor Observatory, etc., so their clocks did not agree with each
+# other or with the city's official time. The confusion took some years to
+# clear up. See:
+# Moser M. How Chicago gave America its time zones. Chicago. 2018-01-04.
+# http://www.chicagomag.com/city-life/January-2018/How-Chicago-Gave-America-Its-Time-Zones/
+
# From Larry M. Smith (2006-04-26) re Wisconsin:
# https://docs.legis.wisconsin.gov/statutes/statutes/175.pdf
# is currently enforced at the 01:00 time of change. Because the local
@@ -1919,7 +1931,7 @@
# manager of the Creston & District Museum. The article was written in May 2009.
# http://www.ilovecreston.com/?p=articles&t=spec&ar=260
# According to the article, Creston has not changed its clocks since June 1918.
-# i.e. Creston has been stuck on UTC-7 for 93 years.
+# i.e. Creston has been stuck on UT-7 for 93 years.
# Dawson Creek, on the other hand, changed its clocks as recently as April 1972.
# Unfortunately the exact date for the time change in June 1918 remains
--- a/test/jdk/sun/util/calendar/zi/tzdata/southamerica Tue Jan 30 19:13:26 2018 -0800
+++ b/test/jdk/sun/util/calendar/zi/tzdata/southamerica Wed Jan 31 22:55:12 2018 -0800
@@ -48,7 +48,7 @@
# https://www.jstor.org/stable/1774359
#
# These tables use numeric abbreviations like -03 and -0330 for
-# integer hour and minute UTC offsets. Although earlier editions used
+# integer hour and minute UT offsets. Although earlier editions used
# alphabetic time zone abbreviations, these abbreviations were
# invented and did not reflect common practice.
@@ -602,7 +602,7 @@
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
Zone America/La_Paz -4:32:36 - LMT 1890
-4:32:36 - CMT 1931 Oct 15 # Calamarca MT
- -4:32:36 1:00 BOST 1932 Mar 21 # Bolivia ST
+ -4:32:36 1:00 BST 1932 Mar 21 # Bolivia ST
-4:00 - -04
# Brazil
@@ -931,12 +931,25 @@
# [t]he DST period in Brazil now on will be from the 3rd Oct Sunday to the
# 3rd Feb Sunday. There is an exception on the return date when this is
# the Carnival Sunday then the return date will be the next Sunday...
-Rule Brazil 2008 max - Oct Sun>=15 0:00 1:00 S
+Rule Brazil 2008 2017 - Oct Sun>=15 0:00 1:00 S
Rule Brazil 2008 2011 - Feb Sun>=15 0:00 0 -
+# Decree 7,584 <http://pcdsh01.on.br/HVdecreto7584_20111013.jpg> (2011-10-13)
+# added Bahia.
Rule Brazil 2012 only - Feb Sun>=22 0:00 0 -
+# Decree 7,826 <http://pcdsh01.on.br/HVdecreto7826_20121015.jpg> (2012-10-15)
+# removed Bahia and added Tocantins.
+# Decree 8,112 <http://pcdsh01.on.br/HVdecreto8112_20130930.JPG> (2013-09-30)
+# removed Tocantins.
Rule Brazil 2013 2014 - Feb Sun>=15 0:00 0 -
Rule Brazil 2015 only - Feb Sun>=22 0:00 0 -
Rule Brazil 2016 2022 - Feb Sun>=15 0:00 0 -
+# From Steffen Thorsen (2017-12-18):
+# According to many media sources, next year's DST start in Brazil will move to
+# the first Sunday of November, and it will stay like that for the years after.
+# ... https://www.timeanddate.com/news/time/brazil-delays-dst-2018.html
+# From Steffen Thorsen (2017-12-20):
+# http://www.planalto.gov.br/ccivil_03/_ato2015-2018/2017/decreto/D9242.htm
+Rule Brazil 2018 max - Nov Sun>=1 0:00 1:00 S
Rule Brazil 2023 only - Feb Sun>=22 0:00 0 -
Rule Brazil 2024 2025 - Feb Sun>=15 0:00 0 -
Rule Brazil 2026 only - Feb Sun>=22 0:00 0 -
@@ -1091,7 +1104,7 @@
# From Paul Eggert (2015-04-03):
# Shanks & Pottenger says America/Santiago introduced standard time in
-# 1890 and rounds its UTC offset to 70W40; guess that in practice this
+# 1890 and rounds its UT offset to 70W40; guess that in practice this
# was the same offset as in 1916-1919. It also says Pacific/Easter
# standardized on 109W22 in 1890; assume this didn't change the clocks.
#
--- a/test/jdk/sun/util/calendar/zi/tzdata/zone.tab Tue Jan 30 19:13:26 2018 -0800
+++ b/test/jdk/sun/util/calendar/zi/tzdata/zone.tab Wed Jan 31 22:55:12 2018 -0800
@@ -395,7 +395,7 @@
SN +1440-01726 Africa/Dakar
SO +0204+04522 Africa/Mogadishu
SR +0550-05510 America/Paramaribo
-SS +0451+03136 Africa/Juba
+SS +0451+03137 Africa/Juba
ST +0020+00644 Africa/Sao_Tome
SV +1342-08912 America/El_Salvador
SX +180305-0630250 America/Lower_Princes