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NEX-17697 update tzdata to 2018e
Reviewed by: Dan Fields <dan.fields@nexenta.com>
Reviewed by: Roman Strashkin <roman.strashkin@nexenta.com>
8968 update tzdata to 2018a
Reviewed by: Toomas Soome <tsoome@me.com>
Reviewed by: Robert Mustacchi <rm@joyent.com>
Approved by: Richard Lowe <richlowe@richlowe.net>
NEX-15458 update zoneinfo to 2017c
Reviewed by: Roman Strashkin <roman.strashkin@nexenta.com>
NEX-15458 update zoneinfo to 2017c
Reviewed by: Roman Strashkin <roman.strashkin@nexenta.com>

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          --- old/usr/src/data/zoneinfo/africa
          +++ new/usr/src/data/zoneinfo/africa
   1    1  # This file is in the public domain, so clarified as of
   2    2  # 2009-05-17 by Arthur David Olson.
   3    3  
   4    4  # This file is by no means authoritative; if you think you know better,
   5    5  # go ahead and edit the file (and please send any changes to
   6    6  # tz@iana.org for general use in the future).  For more, please see
   7    7  # the file CONTRIBUTING in the tz distribution.
   8    8  
   9      -# From Paul Eggert (2017-02-20):
        9 +# From Paul Eggert (2017-04-09):
  10   10  #
  11   11  # Unless otherwise specified, the source for data through 1990 is:
  12   12  # Thomas G. Shanks and Rique Pottenger, The International Atlas (6th edition),
  13   13  # San Diego: ACS Publications, Inc. (2003).
  14   14  # Unfortunately this book contains many errors and cites no sources.
  15   15  #
  16   16  # Many years ago Gwillim Law wrote that a good source
  17   17  # for time zone data was the International Air Transport
  18   18  # Association's Standard Schedules Information Manual (IATA SSIM),
  19   19  # published semiannually.  Law sent in several helpful summaries
↓ open down ↓ 25 lines elided ↑ open up ↑
  45   45  #        +00    GMT     Greenwich Mean Time
  46   46  #        +02    CAT     Central Africa Time
  47   47  #        +02    SAST    South Africa Standard Time
  48   48  # and Murray suggested the following abbreviation:
  49   49  #        +01    WAT     West Africa Time
  50   50  # Murray's suggestion seems to have caught on in news reports and the like.
  51   51  # I vaguely recall 'WAT' also being used for -01 in the past but
  52   52  # cannot now come up with solid citations.
  53   53  #
  54   54  # I invented the following abbreviations; corrections are welcome!
  55      -#        +02    WAST    West Africa Summer Time
       55 +#        +02    WAST    West Africa Summer Time (no longer used)
  56   56  #        +03    CAST    Central Africa Summer Time (no longer used)
  57   57  #        +03    SAST    South Africa Summer Time (no longer used)
  58   58  #        +03    EAT     East Africa Time
  59   59  # 'EAT' also seems to have caught on; the others are rare but are paired
  60   60  # with better-attested non-DST abbreviations.
  61   61  
  62   62  # Algeria
  63   63  # Rule  NAME    FROM    TO      TYPE    IN      ON      AT      SAVE    LETTER/S
  64   64  Rule    Algeria 1916    only    -       Jun     14      23:00s  1:00    S
  65   65  Rule    Algeria 1916    1919    -       Oct     Sun>=1  23:00s  0       -
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 108  108  # See Africa/Abidjan.
 109  109  
 110  110  # Burundi
 111  111  # See Africa/Maputo.
 112  112  
 113  113  # Cameroon
 114  114  # See Africa/Lagos.
 115  115  
 116  116  # Cape Verde / Cabo Verde
 117  117  #
      118 +# From Paul Eggert (2018-02-16):
 118  119  # Shanks gives 1907 for the transition to +02.
 119      -# Perhaps the 1911-05-26 Portuguese decree
 120      -# https://dre.pt/pdf1sdip/1911/05/12500/23132313.pdf
 121      -# merely made it official?
      120 +# For now, ignore that and follow the 1911-05-26 Portuguese decree
      121 +# (see Europe/Lisbon).
 122  122  #
 123  123  # Zone  NAME            GMTOFF  RULES   FORMAT  [UNTIL]
 124      -Zone Atlantic/Cape_Verde -1:34:04 -     LMT     1907        # Praia
      124 +Zone Atlantic/Cape_Verde -1:34:04 -     LMT     1912 Jan 01  2:00u # Praia
 125  125                          -2:00   -       -02     1942 Sep
 126  126                          -2:00   1:00    -01     1945 Oct 15
 127  127                          -2:00   -       -02     1975 Nov 25  2:00
 128  128                          -1:00   -       -01
 129  129  
 130  130  # Central African Republic
 131  131  # See Africa/Lagos.
 132  132  
 133  133  # Chad
 134  134  # Zone  NAME            GMTOFF  RULES   FORMAT  [UNTIL]
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 363  363  # Ethiopia
 364  364  # See Africa/Nairobi.
 365  365  
 366  366  # Gabon
 367  367  # See Africa/Lagos.
 368  368  
 369  369  # Gambia
 370  370  # See Africa/Abidjan.
 371  371  
 372  372  # Ghana
 373      -# Rule  NAME    FROM    TO      TYPE    IN      ON      AT      SAVE    LETTER/S
      373 +
      374 +# From Paul Eggert (2018-01-30):
 374  375  # Whitman says DST was observed from 1931 to "the present";
 375      -# Shanks & Pottenger say 1936 to 1942;
 376      -# and September 1 to January 1 is given by:
 377      -# Scott Keltie J, Epstein M (eds), The Statesman's Year-Book,
 378      -# 57th ed. Macmillan, London (1920), OCLC 609408015, pp xxviii.
 379      -# For lack of better info, assume DST was observed from 1920 to 1942.
 380      -Rule    Ghana   1920    1942    -       Sep      1      0:00    0:20    GHST
 381      -Rule    Ghana   1920    1942    -       Dec     31      0:00    0       GMT
      376 +# Shanks & Pottenger say 1936 to 1942 with 20 minutes of DST,
      377 +# with transitions on 09-01 and 12-31 at 00:00.
      378 +# Page 33 of Parish GCB, Colonial Reports - Annual. No. 1066. Gold
      379 +# Coast. Report for 1919. (March 1921), OCLC 784024077
      380 +# http://libsysdigi.library.illinois.edu/ilharvest/africana/books2011-05/5530214/5530214_1919/5530214_1919_opt.pdf
      381 +# lists the Determination of the Time Ordinance, 1919, No. 18,
      382 +# "to advance the time observed locally by the space of twenty minutes
      383 +# during the last four months of each year; the object in view being
      384 +# to extend during those months the period of daylight-time available
      385 +# for evening recreation after office hours."
      386 +# Vanessa Ogle, The Global Transformation of Time, 1870-1950 (2015), p 33,
      387 +# writes "In 1919, the Gold Coast (Ghana as of 1957) made Greenwich
      388 +# time its legal time and simultaneously legalized a summer time of
      389 +# UTC - 00:20 minutes from March to October."; a footnote lists
      390 +# the ordinance as being dated 1919-11-24.
      391 +# The Crown Colonist, Volume 12 (1942), p 176, says "the Government
      392 +# intend advancing Gold Coast time half an hour ahead of G.M.T.
      393 +# The actual date of the alteration has not yet been announced."
      394 +# These sources are incomplete and contradictory.  Possibly what is
      395 +# now Ghana observed different DST regimes in different years.  For
      396 +# lack of better info, use Shanks except treat the minus sign as a
      397 +# typo, and assume DST started in 1920 not 1936.
      398 +# Rule  NAME    FROM    TO      TYPE    IN      ON      AT      SAVE    LETTER/S
      399 +Rule    Ghana   1920    1942    -       Sep      1      0:00    0:20    -
      400 +Rule    Ghana   1920    1942    -       Dec     31      0:00    0       -
 382  401  # Zone  NAME            GMTOFF  RULES   FORMAT  [UNTIL]
 383  402  Zone    Africa/Accra    -0:00:52 -      LMT     1918
 384  403                           0:00   Ghana   GMT/+0020
 385  404  
 386  405  # Guinea
 387  406  # See Africa/Abidjan.
 388  407  
 389  408  # Guinea-Bissau
 390  409  #
      410 +# From Paul Eggert (2018-02-16):
 391  411  # Shanks gives 1911-05-26 for the transition to WAT,
 392  412  # evidently confusing the date of the Portuguese decree
 393      -# https://dre.pt/pdf1sdip/1911/05/12500/23132313.pdf
 394      -# with the date that it took effect, namely 1912-01-01.
      413 +# (see Europe/Lisbon) with the date that it took effect.
 395  414  #
 396  415  # Zone  NAME            GMTOFF  RULES   FORMAT  [UNTIL]
 397      -Zone    Africa/Bissau   -1:02:20 -      LMT     1912 Jan  1
      416 +Zone    Africa/Bissau   -1:02:20 -      LMT     1912 Jan  1  1:00u
 398  417                          -1:00   -       -01     1975
 399  418                           0:00   -       GMT
 400  419  
 401  420  # Kenya
 402  421  # Zone  NAME            GMTOFF  RULES   FORMAT  [UNTIL]
 403  422  Zone    Africa/Nairobi  2:27:16 -       LMT     1928 Jul
 404  423                          3:00    -       EAT     1930
 405  424                          2:30    -       +0230   1940
 406  425                          2:45    -       +0245   1960
 407  426                          3:00    -       EAT
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 583  602  #
 584  603  # Our wrap-up:
 585  604  # https://www.timeanddate.com/news/time/mauritius-dst-will-not-repeat.html
 586  605  
 587  606  # From Arthur David Olson (2009-07-11):
 588  607  # The "mauritius-dst-will-not-repeat" wrapup includes this:
 589  608  # "The trial ended on March 29, 2009, when the clocks moved back by one hour
 590  609  # at 2am (or 02:00) local time..."
 591  610  
 592  611  # Rule  NAME    FROM    TO      TYPE    IN      ON      AT      SAVE    LETTER/S
 593      -Rule Mauritius  1982    only    -       Oct     10      0:00    1:00    S
      612 +Rule Mauritius  1982    only    -       Oct     10      0:00    1:00    -
 594  613  Rule Mauritius  1983    only    -       Mar     21      0:00    0       -
 595      -Rule Mauritius  2008    only    -       Oct     lastSun 2:00    1:00    S
      614 +Rule Mauritius  2008    only    -       Oct     lastSun 2:00    1:00    -
 596  615  Rule Mauritius  2009    only    -       Mar     lastSun 2:00    0       -
 597  616  # Zone  NAME            GMTOFF  RULES   FORMAT  [UNTIL]
 598  617  Zone Indian/Mauritius   3:50:00 -       LMT     1907 # Port Louis
 599  618                          4:00 Mauritius  +04/+05
 600  619  # Agalega Is, Rodriguez
 601  620  # no information; probably like Indian/Mauritius
 602  621  
 603  622  # Mayotte
 604  623  # See Africa/Nairobi.
 605  624  
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 941  960  
 942  961  # From Arthur David Olson (2017-08-09):
 943  962  # The text of the "Namibia Time Act, 1994" is available online at
 944  963  # www.lac.org.na/laws/1994/811.pdf
 945  964  # and includes this nugget:
 946  965  # Notwithstanding the provisions of subsection (2) of section 1, the
 947  966  # first winter period after the commencement of this Act shall
 948  967  # commence at OOhOO on Monday 21 March 1994 and shall end at 02h00 on
 949  968  # Sunday 4 September 1994.
 950  969  
      970 +# From Michael Deckers (2017-04-06):
      971 +# ... both summer and winter time are called "standard"
      972 +# (which differs from the use in Ireland) ...
      973 +
 951  974  # From Petronella Sibeene (2007-03-30):
 952  975  # http://allafrica.com/stories/200703300178.html
 953  976  # While the entire country changes its time, Katima Mulilo and other
 954  977  # settlements in Caprivi unofficially will not because the sun there
 955  978  # rises and sets earlier compared to other regions.  Chief of
 956  979  # Forecasting Riaan van Zyl explained that the far eastern parts of
 957  980  # the country are close to 40 minutes earlier in sunrise than the rest
 958  981  # of the country.
 959  982  #
 960  983  # From Paul Eggert (2017-02-22):
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 966  989  
 967  990  # From Steffen Thorsen (2017-08-09):
 968  991  # Namibia is going to change their time zone to what is now their DST:
 969  992  # https://www.newera.com.na/2017/02/23/namibias-winter-time-might-be-repealed/
 970  993  # This video is from the government decision:
 971  994  # https://www.nbc.na/news/na-passes-namibia-time-bill-repealing-1994-namibia-time-act.8665
 972  995  # We have made the assumption so far that they will change their time zone at
 973  996  # the same time they would normally start DST, the first Sunday in September:
 974  997  # https://www.timeanddate.com/news/time/namibia-new-time-zone.html
 975  998  
      999 +# From Paul Eggert (2017-04-09):
     1000 +# Before the change, summer and winter time were both standard time legally.
     1001 +# However in common parlance, winter time was considered to be DST.  See, e.g.:
     1002 +# http://www.nbc.na/news/namibias-winter-time-could-be-scrapped.2706
     1003 +# https://zone.my.na/news/times-are-changing-in-namibia
     1004 +# https://www.newera.com.na/2017/02/23/namibias-winter-time-might-be-repealed/
     1005 +# Use plain "WAT" and "CAT" for the time zone abbreviations, to be compatible
     1006 +# with Namibia's neighbors.
     1007 +
 976 1008  # RULE  NAME    FROM    TO      TYPE    IN      ON      AT      SAVE    LETTER/S
 977      -Rule    Namibia 1994    only    -       Mar     21      0:00    0       -
 978      -Rule    Namibia 1994    2016    -       Sep     Sun>=1  2:00    1:00    S
 979      -Rule    Namibia 1995    2017    -       Apr     Sun>=1  2:00    0       -
     1009 +# Vanguard section, for zic and other parsers that support negative DST.
     1010 +Rule    Namibia 1994    only    -       Mar     21      0:00    -1:00   WAT
     1011 +Rule    Namibia 1994    2017    -       Sep     Sun>=1  2:00    0       CAT
     1012 +Rule    Namibia 1995    2017    -       Apr     Sun>=1  2:00    -1:00   WAT
     1013 +# Rearguard section, for parsers that do not support negative DST.
     1014 +#Rule   Namibia 1994    only    -       Mar     21      0:00    0       WAT
     1015 +#Rule   Namibia 1994    2017    -       Sep     Sun>=1  2:00    1:00    CAT
     1016 +#Rule   Namibia 1995    2017    -       Apr     Sun>=1  2:00    0       WAT
     1017 +# End of rearguard section.
     1018 +
 980 1019  # Zone  NAME            GMTOFF  RULES   FORMAT  [UNTIL]
 981 1020  Zone    Africa/Windhoek 1:08:24 -       LMT     1892 Feb 8
 982 1021                          1:30    -       +0130   1903 Mar
 983 1022                          2:00    -       SAST    1942 Sep 20  2:00
 984 1023                          2:00    1:00    SAST    1943 Mar 21  2:00
 985 1024                          2:00    -       SAST    1990 Mar 21 # independence
 986      -                        2:00    -       CAT     1994 Mar 21  0:00
 987      -                        1:00    Namibia WA%sT   2017 Sep  3  2:00
 988      -                        2:00    -       CAT
     1025 +# Vanguard section, for zic and other parsers that support negative DST.
     1026 +                        2:00    Namibia %s
     1027 +# Rearguard section, for parsers that do not support negative DST.
     1028 +#                       2:00    -       CAT     1994 Mar 21  0:00
     1029 +# From Paul Eggert (2017-04-07):
     1030 +# The official date of the 2017 rule change was 2017-10-24.  See:
     1031 +# http://www.lac.org.na/laws/annoSTAT/Namibian%20Time%20Act%209%20of%202017.pdf
     1032 +#                       1:00    Namibia %s      2017 Oct 24
     1033 +#                       2:00    -       CAT
     1034 +# End of rearguard section.
 989 1035  
 990 1036  # Niger
 991 1037  # See Africa/Lagos.
 992 1038  
 993 1039  # Nigeria
 994 1040  # Zone  NAME            GMTOFF  RULES   FORMAT  [UNTIL]
 995 1041  Zone    Africa/Lagos    0:13:36 -       LMT     1919 Sep
 996 1042                          1:00    -       WAT
 997 1043  Link Africa/Lagos Africa/Bangui      # Central African Republic
 998 1044  Link Africa/Lagos Africa/Brazzaville # Rep. of the Congo
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1030 1076  # See Africa/Abidjan.
1031 1077  # The other parts of the St Helena territory are similar:
1032 1078  #       Tristan da Cunha: on GMT, say Whitman and the CIA
1033 1079  #       Ascension: on GMT, say the USNO (1995-12-21) and the CIA
1034 1080  #       Gough (scientific station since 1955; sealers wintered previously):
1035 1081  #               on GMT, says the CIA
1036 1082  #       Inaccessible, Nightingale: uninhabited
1037 1083  
1038 1084  # São Tomé and Príncipe
1039 1085  
     1086 +# See Europe/Lisbon for info about the 1912 transition.
     1087 +
1040 1088  # From Steffen Thorsen (2018-01-08):
1041 1089  # Multiple sources tell that São Tomé changed from UTC to UTC+1 as
1042 1090  # they entered the year 2018.
1043 1091  # From Michael Deckers (2018-01-08):
1044 1092  # the switch is from 01:00 to 02:00 ... [Decree No. 25/2017]
1045 1093  # http://www.mnec.gov.st/index.php/publicacoes/documentos/file/90-decreto-lei-n-25-2017
1046 1094  
1047 1095  Zone    Africa/Sao_Tome  0:26:56 -      LMT     1884
1048      -                        -0:36:45 -      LMT     1912 # Lisbon Mean Time
     1096 +                        -0:36:45 -      LMT     1912 Jan  1 00:00u # Lisbon MT
1049 1097                           0:00   -       GMT     2018 Jan  1 01:00
1050 1098                           1:00   -       WAT
1051 1099  
1052 1100  # Senegal
1053 1101  # See Africa/Abidjan.
1054 1102  
1055 1103  # Seychelles
1056 1104  # Zone  NAME            GMTOFF  RULES   FORMAT  [UNTIL]
1057 1105  Zone    Indian/Mahe     3:41:48 -       LMT     1906 Jun # Victoria
1058 1106                          4:00    -       +04
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