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Reviewed by: Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
Reviewed by: Marcel Telka <marcel@telka.sk>
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          --- old/usr/src/cmd/zic/antarctica
          +++ new/usr/src/cmd/zic/antarctica
   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  # From Paul Eggert (1999-11-15):
   5    5  # To keep things manageable, we list only locations occupied year-round; see
   6    6  # COMNAP - Stations and Bases
   7    7  # http://www.comnap.aq/comnap/comnap.nsf/P/Stations/
  
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   8    8  # and
   9    9  # Summary of the Peri-Antarctic Islands (1998-07-23)
  10   10  # http://www.spri.cam.ac.uk/bob/periant.htm
  11   11  # for information.
  12   12  # Unless otherwise specified, we have no time zone information.
  13   13  #
  14   14  # Except for the French entries,
  15   15  # I made up all time zone abbreviations mentioned here; corrections welcome!
  16   16  # FORMAT is 'zzz' and GMTOFF is 0 for locations while uninhabited.
  17   17  
  18      -# These rules are stolen from the 'southamerica' file.
  19      -# Rule  NAME    FROM    TO      TYPE    IN      ON      AT      SAVE    LETTER/S
  20      -Rule    ArgAQ   1964    1966    -       Mar      1      0:00    0       -
  21      -Rule    ArgAQ   1964    1966    -       Oct     15      0:00    1:00    S
  22      -Rule    ArgAQ   1967    only    -       Apr      2      0:00    0       -
  23      -Rule    ArgAQ   1967    1968    -       Oct     Sun>=1  0:00    1:00    S
  24      -Rule    ArgAQ   1968    1969    -       Apr     Sun>=1  0:00    0       -
  25      -Rule    ArgAQ   1974    only    -       Jan     23      0:00    1:00    S
  26      -Rule    ArgAQ   1974    only    -       May      1      0:00    0       -
  27      -Rule    ChileAQ 1972    1986    -       Mar     Sun>=9  3:00u   0       -
  28      -Rule    ChileAQ 1974    1987    -       Oct     Sun>=9  4:00u   1:00    S
  29      -Rule    ChileAQ 1987    only    -       Apr     12      3:00u   0       -
  30      -Rule    ChileAQ 1988    1989    -       Mar     Sun>=9  3:00u   0       -
  31      -Rule    ChileAQ 1988    only    -       Oct     Sun>=1  4:00u   1:00    S
  32      -Rule    ChileAQ 1989    only    -       Oct     Sun>=9  4:00u   1:00    S
  33      -Rule    ChileAQ 1990    only    -       Mar     18      3:00u   0       -
  34      -Rule    ChileAQ 1990    only    -       Sep     16      4:00u   1:00    S
  35      -Rule    ChileAQ 1991    1996    -       Mar     Sun>=9  3:00u   0       -
  36      -Rule    ChileAQ 1991    1997    -       Oct     Sun>=9  4:00u   1:00    S
  37      -Rule    ChileAQ 1997    only    -       Mar     30      3:00u   0       -
  38      -Rule    ChileAQ 1998    only    -       Mar     Sun>=9  3:00u   0       -
  39      -Rule    ChileAQ 1998    only    -       Sep     27      4:00u   1:00    S
  40      -Rule    ChileAQ 1999    only    -       Apr      4      3:00u   0       -
  41      -Rule    ChileAQ 1999    2010    -       Oct     Sun>=9  4:00u   1:00    S
  42      -Rule    ChileAQ 2000    2007    -       Mar     Sun>=9  3:00u   0       -
  43      -# N.B.: the end of March 29 in Chile is March 30 in Universal time,
  44      -# which is used below in specifying the transition.
  45      -Rule    ChileAQ 2008    only    -       Mar     30      3:00u   0       -
  46      -Rule    ChileAQ 2009    only    -       Mar     Sun>=9  3:00u   0       -
  47      -Rule    ChileAQ 2010    only    -       Apr     Sun>=1  3:00u   0       -
  48      -Rule    ChileAQ 2011    only    -       May     Sun>=2  3:00u   0       -
  49      -Rule    ChileAQ 2011    only    -       Aug     Sun>=16 4:00u   1:00    S
  50      -Rule    ChileAQ 2012    2015    -       Apr     Sun>=23 3:00u   0       -
  51      -Rule    ChileAQ 2012    2014    -       Sep     Sun>=2  4:00u   1:00    S
  52      -
  53   18  # Argentina - year-round bases
  54   19  # Belgrano II, Confin Coast, -770227-0343737, since 1972-02-05
  55   20  # Carlini, Potter Cove, King George Island, -6414-0602320, since 1982-01
  56   21  # Esperanza, Hope Bay, -6323-05659, since 1952-12-17
  57   22  # Marambio, -6414-05637, since 1969-10-29
  58   23  # Orcadas, Laurie I, -6016-04444, since 1904-02-22
  59   24  # San Martín, Barry I, -6808-06706, since 1951-03-21
  60   25  #       (except 1960-03 / 1976-03-21)
  61   26  
  62   27  # Australia - territories
  63   28  # Heard Island, McDonald Islands (uninhabited)
  64   29  #       previously sealers and scientific personnel wintered
  65   30  #       Margaret Turner reports
  66   31  #       http://web.archive.org/web/20021204222245/http://www.dstc.qut.edu.au/DST/marg/daylight.html
  67   32  #       (1999-09-30) that they're UTC+5, with no DST;
  68   33  #       presumably this is when they have visitors.
  69   34  #
  70   35  # year-round bases
  71   36  # Casey, Bailey Peninsula, -6617+11032, since 1969
  72   37  # Davis, Vestfold Hills, -6835+07759, since 1957-01-13
  73   38  #       (except 1964-11 - 1969-02)
  74   39  # Mawson, Holme Bay, -6736+06253, since 1954-02-13
  75   40  
  76   41  # From Steffen Thorsen (2009-03-11):
  77   42  # Three Australian stations in Antarctica have changed their time zone:
  78   43  # Casey moved from UTC+8 to UTC+11
  79   44  # Davis moved from UTC+7 to UTC+5
  80   45  # Mawson moved from UTC+6 to UTC+5
  81   46  # The changes occurred on 2009-10-18 at 02:00 (local times).
  82   47  #
  83   48  # Government source: (Australian Antarctic Division)
  84   49  # http://www.aad.gov.au/default.asp?casid=37079
  85   50  #
  86   51  # We have more background information here:
  87   52  # http://www.timeanddate.com/news/time/antarctica-new-times.html
  88   53  
  89   54  # From Steffen Thorsen (2010-03-10):
  90   55  # We got these changes from the Australian Antarctic Division: ...
  91   56  #
  92   57  # - Casey station reverted to its normal time of UTC+8 on 5 March 2010.
  93   58  # The change to UTC+11 is being considered as a regular summer thing but
  94   59  # has not been decided yet.
  95   60  #
  96   61  # - Davis station will revert to its normal time of UTC+7 at 10 March 2010
  97   62  # 20:00 UTC.
  98   63  #
  99   64  # - Mawson station stays on UTC+5.
 100   65  #
 101   66  # Background:
 102   67  # http://www.timeanddate.com/news/time/antartica-time-changes-2010.html
 103   68  
 104   69  # Zone  NAME            GMTOFF  RULES   FORMAT  [UNTIL]
 105   70  Zone Antarctica/Casey   0       -       zzz     1969
 106   71                          8:00    -       AWST    2009 Oct 18  2:00
 107   72                                                  # Australian Western Std Time
 108   73                          11:00   -       CAST    2010 Mar  5  2:00  # Casey Time
 109   74                          8:00    -       AWST    2011 Oct 28  2:00
 110   75                          11:00   -       CAST    2012 Feb 21 17:00u
 111   76                          8:00    -       AWST
 112   77  Zone Antarctica/Davis   0       -       zzz     1957 Jan 13
 113   78                          7:00    -       DAVT    1964 Nov    # Davis Time
 114   79                          0       -       zzz     1969 Feb
 115   80                          7:00    -       DAVT    2009 Oct 18  2:00
 116   81                          5:00    -       DAVT    2010 Mar 10 20:00u
 117   82                          7:00    -       DAVT    2011 Oct 28  2:00
 118   83                          5:00    -       DAVT    2012 Feb 21 20:00u
 119   84                          7:00    -       DAVT
 120   85  Zone Antarctica/Mawson  0       -       zzz     1954 Feb 13
 121   86                          6:00    -       MAWT    2009 Oct 18  2:00 # Mawson Time
 122   87                          5:00    -       MAWT
 123   88  # References:
 124   89  # Casey Weather (1998-02-26)
 125   90  # http://www.antdiv.gov.au/aad/exop/sfo/casey/casey_aws.html
 126   91  # Davis Station, Antarctica (1998-02-26)
 127   92  # http://www.antdiv.gov.au/aad/exop/sfo/davis/video.html
 128   93  # Mawson Station, Antarctica (1998-02-25)
 129   94  # http://www.antdiv.gov.au/aad/exop/sfo/mawson/video.html
 130   95  
 131   96  # Belgium - year-round base
 132   97  # Princess Elisabeth, Queen Maud Land, -713412+0231200, since 2007
 133   98  
 134   99  # Brazil - year-round base
 135  100  # Ferraz, King George Island, -6205+05824, since 1983/4
 136  101  
 137  102  # Bulgaria - year-round base
 138  103  # St. Kliment Ohridski, Livingston Island, -623829-0602153, since 1988
 139  104  
 140  105  # Chile - year-round bases and towns
 141  106  # Escudero, South Shetland Is, -621157-0585735, since 1994
 142  107  # Frei Montalva, King George Island, -6214-05848, since 1969-03-07
 143  108  # O'Higgins, Antarctic Peninsula, -6319-05704, since 1948-02
 144  109  # Prat, -6230-05941
 145  110  # Villa Las Estrellas (a town), around the Frei base, since 1984-04-09
 146  111  # These locations have always used Santiago time; use TZ='America/Santiago'.
 147  112  
 148  113  # China - year-round bases
 149  114  # Great Wall, King George Island, -6213-05858, since 1985-02-20
 150  115  # Zhongshan, Larsemann Hills, Prydz Bay, -6922+07623, since 1989-02-26
 151  116  
 152  117  # France - year-round bases (also see "France & Italy")
 153  118  #
 154  119  # From Antoine Leca (1997-01-20):
 155  120  # Time data entries are from Nicole Pailleau at the IFRTP
 156  121  # (French Institute for Polar Research and Technology).
 157  122  # She confirms that French Southern Territories and Terre Adélie bases
 158  123  # don't observe daylight saving time, even if Terre Adélie supplies came
 159  124  # from Tasmania.
 160  125  #
 161  126  # French Southern Territories with year-round inhabitants
 162  127  #
 163  128  # Alfred Faure, Possession Island, Crozet Islands, -462551+0515152, since 1964;
 164  129  #       sealing & whaling stations operated variously 1802/1911+;
 165  130  #       see Indian/Reunion.
 166  131  #
 167  132  # Martin-de-Viviès, Amsterdam Island, -374105+0773155, since 1950
 168  133  # Port-aux-Français, Kerguelen Islands, -492110+0701303, since 1951;
 169  134  #       whaling & sealing station operated 1908/1914, 1920/1929, and 1951/1956
 170  135  #
 171  136  # St Paul Island - near Amsterdam, uninhabited
 172  137  #       fishing stations operated variously 1819/1931
 173  138  #
 174  139  # Zone  NAME            GMTOFF  RULES   FORMAT  [UNTIL]
 175  140  Zone Indian/Kerguelen   0       -       zzz     1950 # Port-aux-Français
 176  141                          5:00    -       TFT     # ISO code TF Time
 177  142  #
 178  143  # year-round base in the main continent
 179  144  # Dumont d'Urville, Île des Pétrels, -6640+14001, since 1956-11
 180  145  # <http://en.wikipedia.org/wiki/Dumont_d'Urville_Station> (2005-12-05)
 181  146  #
 182  147  # Another base at Port-Martin, 50km east, began operation in 1947.
 183  148  # It was destroyed by fire on 1952-01-14.
 184  149  #
 185  150  # Zone  NAME            GMTOFF  RULES   FORMAT  [UNTIL]
 186  151  Zone Antarctica/DumontDUrville 0 -      zzz     1947
 187  152                          10:00   -       PMT     1952 Jan 14 # Port-Martin Time
 188  153                          0       -       zzz     1956 Nov
 189  154                          10:00   -       DDUT    # Dumont-d'Urville Time
 190  155  
 191  156  # France & Italy - year-round base
 192  157  # Concordia, -750600+1232000, since 2005
 193  158  
 194  159  # Germany - year-round base
 195  160  # Neumayer III, -704080-0081602, since 2009
 196  161  
 197  162  # India - year-round bases
 198  163  # Bharati, -692428+0761114, since 2012
 199  164  # Maitri, -704558+0114356, since 1989
 200  165  
 201  166  # Italy - year-round base (also see "France & Italy")
 202  167  # Zuchelli, Terra Nova Bay, -744140+1640647, since 1986
 203  168  
 204  169  # Japan - year-round bases
 205  170  # Syowa (also known as Showa), -690022+0393524, since 1957
 206  171  #
 207  172  # From Hideyuki Suzuki (1999-02-06):
 208  173  # In all Japanese stations, +0300 is used as the standard time.
 209  174  #
 210  175  # Syowa station, which is the first antarctic station of Japan,
 211  176  # was established on 1957-01-29.  Since Syowa station is still the main
 212  177  # station of Japan, it's appropriate for the principal location.
 213  178  # Zone  NAME            GMTOFF  RULES   FORMAT  [UNTIL]
 214  179  Zone Antarctica/Syowa   0       -       zzz     1957 Jan 29
 215  180                          3:00    -       SYOT    # Syowa Time
 216  181  # See:
 217  182  # NIPR Antarctic Research Activities (1999-08-17)
 218  183  # http://www.nipr.ac.jp/english/ara01.html
 219  184  
 220  185  # S Korea - year-round base
 221  186  # Jang Bogo, Terra Nova Bay, -743700+1641205 since 2014
 222  187  # King Sejong, King George Island, -6213-05847, since 1988
 223  188  
 224  189  # New Zealand - claims
 225  190  # Balleny Islands (never inhabited)
 226  191  # Scott Island (never inhabited)
 227  192  #
 228  193  # year-round base
 229  194  # Scott Base, Ross Island, since 1957-01.
 230  195  # See Pacific/Auckland.
 231  196  
 232  197  # Norway - territories
 233  198  # Bouvet (never inhabited)
 234  199  #
 235  200  # claims
 236  201  # Peter I Island (never inhabited)
 237  202  #
 238  203  # year-round base
 239  204  # Troll, Queen Maud Land, -720041+0023206, since 2005-02-12
 240  205  #
 241  206  # From Paul-Inge Flakstad (2014-03-10):
 242  207  # I recently had a long dialog about this with the developer of timegenie.com.
 243  208  # In the absence of specific dates, he decided to choose some likely ones:
 244  209  #   GMT +1 - From March 1 to the last Sunday in March
 245  210  #   GMT +2 - From the last Sunday in March until the last Sunday in October
 246  211  #   GMT +1 - From the last Sunday in October until November 7
 247  212  #   GMT +0 - From November 7 until March 1
 248  213  # The dates for switching to and from UTC+0 will probably not be absolutely
 249  214  # correct, but they should be quite close to the actual dates.
 250  215  #
 251  216  # From Paul Eggert (2014-03-21):
 252  217  # The CET-switching Troll rules require zic from tzcode 2014b or later, so as
 253  218  # suggested by Bengt-Inge Larsson comment them out for now, and approximate
 254  219  # with only UTC and CEST.  Uncomment them when 2014b is more prevalent.
 255  220  #
 256  221  # Rule  NAME    FROM    TO      TYPE    IN      ON      AT      SAVE    LETTER/S
 257  222  #Rule   Troll   2005    max     -       Mar      1      1:00u   1:00    CET
 258  223  Rule    Troll   2005    max     -       Mar     lastSun 1:00u   2:00    CEST
 259  224  #Rule   Troll   2005    max     -       Oct     lastSun 1:00u   1:00    CET
 260  225  #Rule   Troll   2004    max     -       Nov      7      1:00u   0:00    UTC
 261  226  # Remove the following line when uncommenting the above '#Rule' lines.
 262  227  Rule    Troll   2004    max     -       Oct     lastSun 1:00u   0:00    UTC
 263  228  # Zone  NAME            GMTOFF  RULES   FORMAT  [UNTIL]
 264  229  Zone Antarctica/Troll   0       -       zzz     2005 Feb 12
 265  230                          0:00    Troll   %s
 266  231  
 267  232  # Poland - year-round base
 268  233  # Arctowski, King George Island, -620945-0582745, since 1977
 269  234  
 270  235  # Romania - year-bound base
 271  236  # Law-Racoviță, Larsemann Hills, -692319+0762251, since 1986
 272  237  
 273  238  # Russia - year-round bases
 274  239  # Bellingshausen, King George Island, -621159-0585337, since 1968-02-22
 275  240  # Mirny, Davis coast, -6633+09301, since 1956-02
 276  241  # Molodezhnaya, Alasheyev Bay, -6740+04551,
 277  242  #       year-round from 1962-02 to 1999-07-01
 278  243  # Novolazarevskaya, Queen Maud Land, -7046+01150,
 279  244  #       year-round from 1960/61 to 1992
 280  245  
 281  246  # Vostok, since 1957-12-16, temporarily closed 1994-02/1994-11
 282  247  # From Craig Mundell (1994-12-15):
 283  248  # http://quest.arc.nasa.gov/antarctica/QA/computers/Directions,Time,ZIP
 284  249  # Vostok, which is one of the Russian stations, is set on the same
 285  250  # time as Moscow, Russia.
 286  251  #
 287  252  # From Lee Hotz (2001-03-08):
 288  253  # I queried the folks at Columbia who spent the summer at Vostok and this is
 289  254  # what they had to say about time there:
 290  255  # "in the US Camp (East Camp) we have been on New Zealand (McMurdo)
 291  256  # time, which is 12 hours ahead of GMT. The Russian Station Vostok was
 292  257  # 6 hours behind that (although only 2 miles away, i.e. 6 hours ahead
 293  258  # of GMT). This is a time zone I think two hours east of Moscow. The
 294  259  # natural time zone is in between the two: 8 hours ahead of GMT."
 295  260  #
 296  261  # From Paul Eggert (2001-05-04):
 297  262  # This seems to be hopelessly confusing, so I asked Lee Hotz about it
 298  263  # in person.  He said that some Antarctic locations set their local
 299  264  # time so that noon is the warmest part of the day, and that this
 300  265  # changes during the year and does not necessarily correspond to mean
 301  266  # solar noon.  So the Vostok time might have been whatever the clocks
 302  267  # happened to be during their visit.  So we still don't really know what time
 303  268  # it is at Vostok.  But we'll guess UTC+6.
 304  269  #
 305  270  Zone Antarctica/Vostok  0       -       zzz     1957 Dec 16
 306  271                          6:00    -       VOST    # Vostok time
 307  272  
 308  273  # S Africa - year-round bases
 309  274  # Marion Island, -4653+03752
 310  275  # SANAE IV, Vesleskarvet, Queen Maud Land, -714022-0025026, since 1997
 311  276  
 312  277  # Ukraine - year-round base
 313  278  # Vernadsky (formerly Faraday), Galindez Island, -651445-0641526, since 1954
 314  279  
 315  280  # United Kingdom
 316  281  #
 317  282  # British Antarctic Territories (BAT) claims
 318  283  # South Orkney Islands
 319  284  #       scientific station from 1903
 320  285  #       whaling station at Signy I 1920/1926
 321  286  # South Shetland Islands
 322  287  #
 323  288  # year-round bases
 324  289  # Bird Island, South Georgia, -5400-03803, since 1983
 325  290  # Deception Island, -6259-06034, whaling station 1912/1931,
 326  291  #       scientific station 1943/1967,
 327  292  #       previously sealers and a scientific expedition wintered by accident,
 328  293  #       and a garrison was deployed briefly
 329  294  # Halley, Coates Land, -7535-02604, since 1956-01-06
 330  295  #       Halley is on a moving ice shelf and is periodically relocated
 331  296  #       so that it is never more than 10km from its nominal location.
 332  297  # Rothera, Adelaide Island, -6734-6808, since 1976-12-01
 333  298  #
 334  299  # From Paul Eggert (2002-10-22)
 335  300  # <http://webexhibits.org/daylightsaving/g.html> says Rothera is -03 all year.
 336  301  #
  
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 337  302  # Zone  NAME            GMTOFF  RULES   FORMAT  [UNTIL]
 338  303  Zone Antarctica/Rothera 0       -       zzz     1976 Dec  1
 339  304                          -3:00   -       ROTT    # Rothera time
 340  305  
 341  306  # Uruguay - year round base
 342  307  # Artigas, King George Island, -621104-0585107
 343  308  
 344  309  # USA - year-round bases
 345  310  #
 346  311  # Palmer, Anvers Island, since 1965 (moved 2 miles in 1968)
      312 +# See 'southamerica' for Antarctica/Palmer, since it uses South American DST.
 347  313  #
 348      -# From Ethan Dicks (1996-10-06):
 349      -# It keeps the same time as Punta Arenas, Chile, because, just like us
 350      -# and the South Pole, that's the other end of their supply line....
 351      -# I verified with someone who was there that since 1980,
 352      -# Palmer has followed Chile.  Prior to that, before the Falklands War,
 353      -# Palmer used to be supplied from Argentina.
 354      -#
 355      -# Zone  NAME            GMTOFF  RULES   FORMAT  [UNTIL]
 356      -Zone Antarctica/Palmer  0       -       zzz     1965
 357      -                        -4:00   ArgAQ   AR%sT   1969 Oct  5
 358      -                        -3:00   ArgAQ   AR%sT   1982 May
 359      -                        -4:00   ChileAQ CL%sT   2015 Apr 26 3:00u
 360      -                        -3:00   -       CLT
 361      -#
 362      -#
 363  314  # McMurdo Station, Ross Island, since 1955-12
 364  315  # Amundsen-Scott South Pole Station, continuously occupied since 1956-11-20
 365  316  #
 366  317  # From Chris Carrier (1996-06-27):
 367  318  # Siple, the first commander of the South Pole station,
 368  319  # stated that he would have liked to have kept GMT at the station,
 369  320  # but that he found it more convenient to keep GMT+12
 370  321  # as supplies for the station were coming from McMurdo Sound,
 371  322  # which was on GMT+12 because New Zealand was on GMT+12 all year
 372  323  # at that time (1957).  (Source: Siple's book 90 Degrees South.)
 373  324  #
 374  325  # From Susan Smith
 375  326  # http://www.cybertours.com/whs/pole10.html
 376  327  # (1995-11-13 16:24:56 +1300, no longer available):
 377  328  # We use the same time as McMurdo does.
 378  329  # And they use the same time as Christchurch, NZ does....
 379  330  # One last quirk about South Pole time.
 380  331  # All the electric clocks are usually wrong.
 381  332  # Something about the generators running at 60.1hertz or something
 382  333  # makes all of the clocks run fast.  So every couple of days,
 383  334  # we have to go around and set them back 5 minutes or so.
 384  335  # Maybe if we let them run fast all of the time, we'd get to leave here sooner!!
 385  336  #
 386  337  # See 'australasia' for Antarctica/McMurdo.
  
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