Import tzdata 2018c
Changes: https://github.com/eggert/tz/blob/2018c/NEWS MFC after: 3 days
This commit is contained in:
Philip Paeps
commit
afb91be3c9
@ -455,14 +455,15 @@ WEB_PAGES= tz-art.html tz-how-to.html tz-link.html
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DOCS= $(MANS) date.1 $(MANTXTS) $(WEB_PAGES)
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PRIMARY_YDATA= africa antarctica asia australasia \
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europe northamerica southamerica
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YDATA= $(PRIMARY_YDATA) etcetera $(BACKWARD)
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YDATA= $(PRIMARY_YDATA) etcetera
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NDATA= systemv factory
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TDATA= $(YDATA) $(NDATA)
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TDATA_TO_CHECK= $(YDATA) $(NDATA) backward pacificnew
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TDATA= $(YDATA) $(NDATA) $(BACKWARD)
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ZONETABLES= zone1970.tab zone.tab
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TABDATA= iso3166.tab $(TZDATA_TEXT) $(ZONETABLES)
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LEAP_DEPS= leapseconds.awk leap-seconds.list
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TZDATA_ZI_DEPS= zishrink.awk version $(TDATA) $(PACKRATDATA)
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DATA= $(YDATA) $(NDATA) backzone iso3166.tab leap-seconds.list \
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DATA= $(TDATA_TO_CHECK) backzone iso3166.tab leap-seconds.list \
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leapseconds yearistype.sh $(ZONETABLES)
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AWK_SCRIPTS= checklinks.awk checktab.awk leapseconds.awk zishrink.awk
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MISC= $(AWK_SCRIPTS) zoneinfo2tdf.pl
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@ -670,7 +671,7 @@ check_character_set: $(ENCHILADA)
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$(MISC) $(SOURCES) $(WEB_PAGES) \
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CONTRIBUTING LICENSE Makefile README \
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version tzdata.zi && \
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! grep -Env $(SAFE_SHARP_LINE) $(TDATA) backzone \
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! grep -Env $(SAFE_SHARP_LINE) $(TDATA_TO_CHECK) backzone \
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leapseconds yearistype.sh zone.tab && \
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! grep -Env $(OK_LINE) $(ENCHILADA); \
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}
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@ -678,14 +679,16 @@ check_character_set: $(ENCHILADA)
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check_white_space: $(ENCHILADA)
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patfmt=' \t|[\f\r\v]' && pat=`printf "$$patfmt\\n"` && \
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! grep -En "$$pat" $(ENCHILADA)
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! grep -n '[[:space:]]$$' $(ENCHILADA)
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! grep -n '[[:space:]]$$' \
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$$(ls $(ENCHILADA) | grep -Fvx leap-seconds.list)
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PRECEDES_FILE_NAME = ^(Zone|Link[[:space:]]+[^[:space:]]+)[[:space:]]+
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FILE_NAME_COMPONENT_TOO_LONG = \
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$(PRECEDES_FILE_NAME)[^[:space:]]*[^/[:space:]]{15}
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check_name_lengths: $(TDATA) backzone
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! grep -En '$(FILE_NAME_COMPONENT_TOO_LONG)' $(TDATA) backzone
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check_name_lengths: $(TDATA_TO_CHECK) backzone
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! grep -En '$(FILE_NAME_COMPONENT_TOO_LONG)' \
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$(TDATA_TO_CHECK) backzone
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CHECK_CC_LIST = { n = split($$1,a,/,/); for (i=2; i<=n; i++) print a[1], a[i]; }
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@ -699,8 +702,8 @@ check_sorted: backward backzone iso3166.tab zone.tab zone1970.tab
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$(AWK) '/^[^#]/ $(CHECK_CC_LIST)' zone1970.tab | \
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LC_ALL=C sort -cu
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check_links: checklinks.awk $(TDATA)
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$(AWK) -f checklinks.awk $(TDATA)
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check_links: checklinks.awk $(TDATA_TO_CHECK)
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$(AWK) -f checklinks.awk $(TDATA_TO_CHECK)
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$(AWK) -f checklinks.awk tzdata.zi
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check_tables: checktab.awk $(PRIMARY_YDATA) $(ZONETABLES)
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@ -803,10 +806,10 @@ check_public:
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$(MAKE) maintainer-clean
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$(MAKE) CFLAGS='$(GCC_DEBUG_FLAGS)' ALL
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mkdir -p public.dir
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for i in $(TDATA) tzdata.zi; do \
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for i in $(TDATA_TO_CHECK) tzdata.zi; do \
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$(zic) -v -d public.dir $$i 2>&1 || exit; \
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done
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$(zic) -v -d public.dir $(TDATA)
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$(zic) -v -d public.dir $(TDATA_TO_CHECK)
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rm -fr public.dir
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# Check that the code works under various alternative
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@ -1,5 +1,51 @@
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News for the tz database
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Release 2018c - 2018-01-22 23:00:44 -0800
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Briefly:
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Revert Irish changes that relied on negative DST offsets.
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Changes to tm_isdst
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Revert the 2018a change to Europe/Dublin. As before, this change
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does not affect UT offsets or abbreviations; it affects only
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whether timestamps are considered to be standard time or
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daylight-saving time, as expressed in the tm_isdst flag of C's
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struct tm type. This reversion is intended to be a temporary
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workaround for problems discovered with downstream uses of
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releases 2018a and 2018b, which implemented Irish time by using
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negative DST offsets in the Eire rules of the 'europe' file.
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Although negative DST offsets have been part of tzcode for many
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years and are supported by many platforms, they were not
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documented before 2018a and ICU and OpenJDK do not currently
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support them. A mechanism to export data to platforms lacking
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support for negative DST is planned to be developed before the
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change is reapplied. (Problems reported by Deborah Goldsmith and
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Stephen Colebourne.)
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Changes to past time stamps
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Japanese DST transitions (1948-1951) were Sundays at 00:00, not
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Saturdays or Sundays at 02:00. (Thanks to Takayuki Nikai.)
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Changes to build procedure
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The build procedure now works around mawk 1.3.3's lack of support
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for character class expressions. (Problem reported by Ohyama.)
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Release 2018b - 2018-01-17 23:24:48 -0800
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Briefly:
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Fix a packaging problem in tz2018a, which was missing 'pacificnew'.
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Changes to build procedure
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The distribution now contains the file 'pacificnew' again.
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This file was inadvertantly omitted in the 2018a distribution.
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(Problem reported by Matias Fonzo.)
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Release 2018a - 2018-01-12 22:29:21 -0800
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Briefly:
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@ -18,7 +18,7 @@ platform other than GNU/Linux. Then run the following commands,
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substituting your desired installation directory for "$HOME/tzdir":
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make TOPDIR=$HOME/tzdir install
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$HOME/tzdir/etc/zdump -v America/Los_Angeles
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$HOME/tzdir/usr/bin/zdump -v America/Los_Angeles
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Historical local time information has been included here to:
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@ -1464,17 +1464,17 @@ Zone Asia/Jerusalem 2:20:54 - LMT 1880
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# of the Japanese wanted to scrap daylight-saving time, as opposed to 30% who
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# wanted to keep it.)
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# From Paul Eggert (2006-03-22):
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# Shanks & Pottenger write that DST in Japan during those years was as follows:
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# From Takayuki Nikai (2018-01-19):
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# The source of information is Japanese law.
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# http://www.shugiin.go.jp/internet/itdb_housei.nsf/html/houritsu/00219480428029.htm
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# http://www.shugiin.go.jp/internet/itdb_housei.nsf/html/houritsu/00719500331039.htm
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# ... In summary, it is written as follows. From 24:00 on the first Saturday
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# in May, until 0:00 on the day after the second Saturday in September.
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# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
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Rule Japan 1948 only - May Sun>=1 2:00 1:00 D
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Rule Japan 1948 1951 - Sep Sat>=8 2:00 0 S
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Rule Japan 1949 only - Apr Sun>=1 2:00 1:00 D
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Rule Japan 1950 1951 - May Sun>=1 2:00 1:00 D
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# but the only locations using it (for birth certificates, presumably, since
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# their audience is astrologers) were US military bases. For now, assume
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# that for most purposes daylight-saving time was observed; otherwise, what
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# would have been the point of the 1951 poll?
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Rule Japan 1948 only - May Sat>=1 24:00 1:00 D
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Rule Japan 1948 1951 - Sep Sun>=9 0:00 0 S
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Rule Japan 1949 only - Apr Sat>=1 24:00 1:00 D
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Rule Japan 1950 1951 - May Sat>=1 24:00 1:00 D
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# From Hideyuki Suzuki (1998-11-09):
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# 'Tokyo' usually stands for the former location of Tokyo Astronomical
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@ -508,16 +508,19 @@ Link Europe/London Europe/Jersey
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Link Europe/London Europe/Guernsey
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Link Europe/London Europe/Isle_of_Man
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# From Paul Eggert (2018-01-19):
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# The following is like GB-Eire and EU, except with standard time in
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# summer and negative daylight saving time in winter.
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# Although currently commented out, this will need to become uncommented
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# once the ICU/OpenJDK workaround is removed; see below.
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# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
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Rule Eire 1971 only - Oct 31 2:00u -1:00 GMT
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Rule Eire 1972 1980 - Mar Sun>=16 2:00u 0 IST
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Rule Eire 1972 1980 - Oct Sun>=23 2:00u -1:00 GMT
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Rule Eire 1981 max - Mar lastSun 1:00u 0 IST
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Rule Eire 1981 1989 - Oct Sun>=23 1:00u -1:00 GMT
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Rule Eire 1990 1995 - Oct Sun>=22 1:00u -1:00 GMT
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Rule Eire 1996 max - Oct lastSun 1:00u -1:00 GMT
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#Rule Eire 1971 only - Oct 31 2:00u -1:00 GMT
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#Rule Eire 1972 1980 - Mar Sun>=16 2:00u 0 IST
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#Rule Eire 1972 1980 - Oct Sun>=23 2:00u -1:00 GMT
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#Rule Eire 1981 max - Mar lastSun 1:00u 0 IST
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#Rule Eire 1981 1989 - Oct Sun>=23 1:00u -1:00 GMT
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#Rule Eire 1990 1995 - Oct Sun>=22 1:00u -1:00 GMT
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#Rule Eire 1996 max - Oct lastSun 1:00u -1:00 GMT
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# Zone NAME GMTOFF RULES FORMAT [UNTIL]
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Zone Europe/Dublin -0:25:00 - LMT 1880 Aug 2
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@ -530,7 +533,25 @@ Zone Europe/Dublin -0:25:00 - LMT 1880 Aug 2
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0:00 1:00 IST 1947 Nov 2 2:00s
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0:00 - GMT 1948 Apr 18 2:00s
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0:00 GB-Eire GMT/IST 1968 Oct 27
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1:00 Eire IST/GMT
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# From Paul Eggert (2018-01-18):
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# The next line should look like this:
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# 1:00 Eire IST/GMT
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# However, in January 2018 we discovered that the Eire rules cause
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# problems with tests for ICU:
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# https://mm.icann.org/pipermail/tz/2018-January/025825.html
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# and with tests for OpenJDK:
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# https://mm.icann.org/pipermail/tz/2018-January/025822.html
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# To work around this problem, use a traditional approximation for
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# time stamps after 1971-10-31 02:00 UTC, to give ICU and OpenJDK
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# developers breathing room to fix bugs. This approximation has
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# correct UTC offsets, but results in tm_isdst flags are the reverse
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# of what they should be. This workaround is temporary and should be
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# removed reasonably soon.
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1:00 - IST 1971 Oct 31 2:00u
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0:00 GB-Eire GMT/IST 1996
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0:00 EU GMT/IST
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# End of workaround for ICU and OpenJDK bugs.
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###############################################################################
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@ -61,7 +61,12 @@
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# or
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# Terry Quinn, "The BIPM and the Accurate Measurement
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# of Time," Proc. of the IEEE, Vol. 79, pp. 894-905,
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# July, 1991.
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# July, 1991. <http://dx.doi.org/10.1109/5.84965>
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# reprinted in:
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# Christine Hackman and Donald B Sullivan (eds.)
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# Time and Frequency Measurement
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# American Association of Physics Teachers (1996)
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# <http://tf.nist.gov/general/pdf/1168.pdf>, pp. 75-86
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#
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# 4. The decision to insert a leap second into UTC is currently
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# the responsibility of the International Earth Rotation and
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@ -199,10 +204,10 @@
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# current -- the update time stamp, the data and the name of the file
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# will not change.
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#
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# Updated through IERS Bulletin C54
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# File expires on: 28 June 2018
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# Updated through IERS Bulletin C55
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# File expires on: 28 December 2018
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#
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#@ 3739132800
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#@ 3754944000
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#
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2272060800 10 # 1 Jan 1972
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2287785600 11 # 1 Jul 1972
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@ -247,4 +252,4 @@
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# the hash line is also ignored in the
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# computation.
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#
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#h 5101445a 69948b51 9153e2b 2086e3d8 d54561a3
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#h 44dcf58c e28d25aa b36612c8 f3d3e8b5 a8fdf478
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@ -57,5 +57,5 @@ Leap 2012 Jun 30 23:59:60 + S
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Leap 2015 Jun 30 23:59:60 + S
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Leap 2016 Dec 31 23:59:60 + S
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# Updated through IERS Bulletin C54
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# File expires on: 28 June 2018
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# Updated through IERS Bulletin C55
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# File expires on: 28 December 2018
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27
contrib/tzdata/pacificnew
Normal file
27
contrib/tzdata/pacificnew
Normal file
@ -0,0 +1,27 @@
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# This file is in the public domain, so clarified as of
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# 2009-05-17 by Arthur David Olson.
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# From Arthur David Olson (1989-04-05):
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# On 1989-04-05, the U. S. House of Representatives passed (238-154) a bill
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# establishing "Pacific Presidential Election Time"; it was not acted on
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# by the Senate or signed into law by the President.
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# You might want to change the "PE" (Presidential Election) below to
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# "Q" (Quadrennial) to maintain three-character zone abbreviations.
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# If you're really conservative, you might want to change it to "D".
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# Avoid "L" (Leap Year), which won't be true in 2100.
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# If Presidential Election Time is ever established, replace "XXXX" below
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# with the year the law takes effect and uncomment the "##" lines.
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# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
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## Rule Twilite XXXX max - Apr Sun>=1 2:00 1:00 D
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## Rule Twilite XXXX max uspres Oct lastSun 2:00 1:00 PE
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## Rule Twilite XXXX max uspres Nov Sun>=7 2:00 0 S
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## Rule Twilite XXXX max nonpres Oct lastSun 2:00 0 S
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# Zone NAME GMTOFF RULES/SAVE FORMAT [UNTIL]
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## Zone America/Los_Angeles-PET -8:00 US P%sT XXXX
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## -8:00 Twilite P%sT
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# For now...
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Link America/Los_Angeles US/Pacific-New ##
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@ -1065,7 +1065,7 @@ Sources:
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Michael Allison and Robert Schmunk,
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"<a href="https://www.giss.nasa.gov/tools/mars24/help/notes.html">Technical
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Notes on Mars Solar Time as Adopted by the Mars24 Sunclock</a>"
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(2012-08-08).
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(2015-06-30).
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</li>
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<li>
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Jia-Rui Chong,
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@ -1 +1 @@
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2018a
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2018c
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@ -37,7 +37,7 @@ function process_input_line(line, field, end, i, n, startdef)
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# Remove comments, normalize spaces, and append a space to each line.
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sub(/#.*/, "", line)
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line = line " "
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gsub(/[[:space:]]+/, " ", line)
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gsub(/[\f\r\t\v ]+/, " ", line)
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# Abbreviate keywords. Do not abbreviate "Link" to just "L",
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# as pre-2017c zic erroneously diagnoses "Li" as ambiguous.
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@ -94,7 +94,7 @@ function process_input_line(line, field, end, i, n, startdef)
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sub(/ 0+$/, "", line)
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# Remove unnecessary trailing days-of-month "1".
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if (match(line, /[[:alpha:]] 1$/))
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if (match(line, /[A-Za-z] 1$/))
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line = substr(line, 1, RSTART)
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# Remove unnecessary trailing " Ja" (for January).
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@ -148,7 +148,7 @@ BEGIN {
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print "# This zic input file is in the public domain."
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}
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/^[[:space:]]*[^#[:space:]]/ {
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/^[\f\r\t\v ]*[^#\f\r\t\v ]/ {
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process_input_line($0)
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}
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