1 # tzdb data for Antarctica and environs 2 3 # This file is in the public domain, so clarified as of 4 # 2009-05-17 by Arthur David Olson. 5 6 # From Paul Eggert (1999-11-15): 7 # To keep things manageable, we list only locations occupied year-round; see 8 # COMNAP - Stations and Bases 9 # http://www.comnap.aq/comnap/comnap.nsf/P/Stations/ 10 # and 11 # Summary of the Peri-Antarctic Islands (1998-07-23) 12 # http://www.spri.cam.ac.uk/bob/periant.htm 13 # for information. 14 # Unless otherwise specified, we have no time zone information. 15 16 # FORMAT is '-00' and GMTOFF is 0 for locations while uninhabited. 17 18 # Argentina - year-round bases 19 # Belgrano II, Confin Coast, -770227-0343737, since 1972-02-05 20 # Carlini, Potter Cove, King George Island, -6414-0602320, since 1982-01 21 # Esperanza, Hope Bay, -6323-05659, since 1952-12-17 22 # Marambio, -6414-05637, since 1969-10-29 23 # Orcadas, Laurie I, -6016-04444, since 1904-02-22 24 # San Martín, Barry I, -6808-06706, since 1951-03-21 25 # (except 1960-03 / 1976-03-21) 26 27 # Australia - territories 28 # Heard Island, McDonald Islands (uninhabited) 29 # previously sealers and scientific personnel wintered 30 # Margaret Turner reports 31 # https://web.archive.org/web/20021204222245/http://www.dstc.qut.edu.au/DST/marg/daylight.html 32 # (1999-09-30) that they're UT +05, with no DST; 33 # presumably this is when they have visitors. 34 # 35 # year-round bases 36 # Casey, Bailey Peninsula, -6617+11032, since 1969 37 # Davis, Vestfold Hills, -6835+07759, since 1957-01-13 38 # (except 1964-11 - 1969-02) 39 # Mawson, Holme Bay, -6736+06253, since 1954-02-13 40 41 # From Steffen Thorsen (2009-03-11): 42 # Three Australian stations in Antarctica have changed their time zone: 43 # Casey moved from UTC+8 to UTC+11 44 # Davis moved from UTC+7 to UTC+5 45 # Mawson moved from UTC+6 to UTC+5 46 # The changes occurred on 2009-10-18 at 02:00 (local times). 47 # 48 # Government source: (Australian Antarctic Division) 49 # http://www.aad.gov.au/default.asp?casid=37079 50 # 51 # We have more background information here: 52 # https://www.timeanddate.com/news/time/antarctica-new-times.html 53 54 # From Steffen Thorsen (2010-03-10): 55 # We got these changes from the Australian Antarctic Division: ... 56 # 57 # - Casey station reverted to its normal time of UTC+8 on 5 March 2010. 58 # The change to UTC+11 is being considered as a regular summer thing but 59 # has not been decided yet. 60 # 61 # - Davis station will revert to its normal time of UTC+7 at 10 March 2010 62 # 20:00 UTC. 63 # 64 # - Mawson station stays on UTC+5. 65 # 66 # Background: 67 # https://www.timeanddate.com/news/time/antartica-time-changes-2010.html 68 69 # From Steffen Thorsen (2016-10-28): 70 # Australian Antarctica Division informed us that Casey changed time 71 # zone to UTC+11 in "the morning of 22nd October 2016". 72 73 # Zone NAME GMTOFF RULES FORMAT [UNTIL] 74 Zone Antarctica/Casey 0 - -00 1969 75 8:00 - +08 2009 Oct 18 2:00 76 11:00 - +11 2010 Mar 5 2:00 77 8:00 - +08 2011 Oct 28 2:00 78 11:00 - +11 2012 Feb 21 17:00u 79 8:00 - +08 2016 Oct 22 80 11:00 - +11 2018 Mar 11 4:00 81 8:00 - +08 82 Zone Antarctica/Davis 0 - -00 1957 Jan 13 83 7:00 - +07 1964 Nov 84 0 - -00 1969 Feb 85 7:00 - +07 2009 Oct 18 2:00 86 5:00 - +05 2010 Mar 10 20:00u 87 7:00 - +07 2011 Oct 28 2:00 88 5:00 - +05 2012 Feb 21 20:00u 89 7:00 - +07 90 Zone Antarctica/Mawson 0 - -00 1954 Feb 13 91 6:00 - +06 2009 Oct 18 2:00 92 5:00 - +05 93 # References: 94 # Casey Weather (1998-02-26) 95 # http://www.antdiv.gov.au/aad/exop/sfo/casey/casey_aws.html 96 # Davis Station, Antarctica (1998-02-26) 97 # http://www.antdiv.gov.au/aad/exop/sfo/davis/video.html 98 # Mawson Station, Antarctica (1998-02-25) 99 # http://www.antdiv.gov.au/aad/exop/sfo/mawson/video.html 100 101 # Belgium - year-round base 102 # Princess Elisabeth, Queen Maud Land, -713412+0231200, since 2007 103 104 # Brazil - year-round base 105 # Ferraz, King George Island, -6205+05824, since 1983/4 106 107 # Bulgaria - year-round base 108 # St. Kliment Ohridski, Livingston Island, -623829-0602153, since 1988 109 110 # Chile - year-round bases and towns 111 # Escudero, South Shetland Is, -621157-0585735, since 1994 112 # Frei Montalva, King George Island, -6214-05848, since 1969-03-07 113 # O'Higgins, Antarctic Peninsula, -6319-05704, since 1948-02 114 # Prat, -6230-05941 115 # Villa Las Estrellas (a town), around the Frei base, since 1984-04-09 116 # These locations employ Region of Magallanes time; use 117 # TZ='America/Punta_Arenas'. 118 119 # China - year-round bases 120 # Great Wall, King George Island, -6213-05858, since 1985-02-20 121 # Zhongshan, Larsemann Hills, Prydz Bay, -6922+07623, since 1989-02-26 122 123 # France - year-round bases (also see "France & Italy") 124 # 125 # From Antoine Leca (1997-01-20): 126 # Time data entries are from Nicole Pailleau at the IFRTP 127 # (French Institute for Polar Research and Technology). 128 # She confirms that French Southern Territories and Terre Adélie bases 129 # don't observe daylight saving time, even if Terre Adélie supplies came 130 # from Tasmania. 131 # 132 # French Southern Territories with year-round inhabitants 133 # 134 # Alfred Faure, Possession Island, Crozet Islands, -462551+0515152, since 1964; 135 # sealing & whaling stations operated variously 1802/1911+; 136 # see Indian/Reunion. 137 # 138 # Martin-de-Viviès, Amsterdam Island, -374105+0773155, since 1950 139 # Port-aux-Français, Kerguelen Islands, -492110+0701303, since 1951; 140 # whaling & sealing station operated 1908/1914, 1920/1929, and 1951/1956 141 # 142 # St Paul Island - near Amsterdam, uninhabited 143 # fishing stations operated variously 1819/1931 144 # 145 # Zone NAME GMTOFF RULES FORMAT [UNTIL] 146 Zone Indian/Kerguelen 0 - -00 1950 # Port-aux-Français 147 5:00 - +05 148 # 149 # year-round base in the main continent 150 # Dumont d'Urville, Île des Pétrels, -6640+14001, since 1956-11 151 # <https://en.wikipedia.org/wiki/Dumont_d'Urville_Station> (2005-12-05) 152 # 153 # Another base at Port-Martin, 50km east, began operation in 1947. 154 # It was destroyed by fire on 1952-01-14. 155 # 156 # Zone NAME GMTOFF RULES FORMAT [UNTIL] 157 Zone Antarctica/DumontDUrville 0 - -00 1947 158 10:00 - +10 1952 Jan 14 159 0 - -00 1956 Nov 160 10:00 - +10 161 162 # France & Italy - year-round base 163 # Concordia, -750600+1232000, since 2005 164 165 # Germany - year-round base 166 # Neumayer III, -704080-0081602, since 2009 167 168 # India - year-round bases 169 # Bharati, -692428+0761114, since 2012 170 # Maitri, -704558+0114356, since 1989 171 172 # Italy - year-round base (also see "France & Italy") 173 # Zuchelli, Terra Nova Bay, -744140+1640647, since 1986 174 175 # Japan - year-round bases 176 # Syowa (also known as Showa), -690022+0393524, since 1957 177 # 178 # From Hideyuki Suzuki (1999-02-06): 179 # In all Japanese stations, +0300 is used as the standard time. 180 # 181 # Syowa station, which is the first antarctic station of Japan, 182 # was established on 1957-01-29. Since Syowa station is still the main 183 # station of Japan, it's appropriate for the principal location. 184 # Zone NAME GMTOFF RULES FORMAT [UNTIL] 185 Zone Antarctica/Syowa 0 - -00 1957 Jan 29 186 3:00 - +03 187 # See: 188 # NIPR Antarctic Research Activities (1999-08-17) 189 # http://www.nipr.ac.jp/english/ara01.html 190 191 # S Korea - year-round base 192 # Jang Bogo, Terra Nova Bay, -743700+1641205 since 2014 193 # King Sejong, King George Island, -6213-05847, since 1988 194 195 # New Zealand - claims 196 # Balleny Islands (never inhabited) 197 # Scott Island (never inhabited) 198 # 199 # year-round base 200 # Scott Base, Ross Island, since 1957-01. 201 # See Pacific/Auckland. 202 203 # Norway - territories 204 # Bouvet (never inhabited) 205 # 206 # claims 207 # Peter I Island (never inhabited) 208 # 209 # year-round base 210 # Troll, Queen Maud Land, -720041+0023206, since 2005-02-12 211 # 212 # From Paul-Inge Flakstad (2014-03-10): 213 # I recently had a long dialog about this with the developer of timegenie.com. 214 # In the absence of specific dates, he decided to choose some likely ones: 215 # GMT +1 - From March 1 to the last Sunday in March 216 # GMT +2 - From the last Sunday in March until the last Sunday in October 217 # GMT +1 - From the last Sunday in October until November 7 218 # GMT +0 - From November 7 until March 1 219 # The dates for switching to and from UTC+0 will probably not be absolutely 220 # correct, but they should be quite close to the actual dates. 221 # 222 # From Paul Eggert (2014-03-21): 223 # The CET-switching Troll rules require zic from tz 2014b or later, so as 224 # suggested by Bengt-Inge Larsson comment them out for now, and approximate 225 # with only UTC and CEST. Uncomment them when 2014b is more prevalent. 226 # 227 # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 228 #Rule Troll 2005 max - Mar 1 1:00u 1:00 +01 229 Rule Troll 2005 max - Mar lastSun 1:00u 2:00 +02 230 #Rule Troll 2005 max - Oct lastSun 1:00u 1:00 +01 231 #Rule Troll 2004 max - Nov 7 1:00u 0:00 +00 232 # Remove the following line when uncommenting the above '#Rule' lines. 233 Rule Troll 2004 max - Oct lastSun 1:00u 0:00 +00 234 # Zone NAME GMTOFF RULES FORMAT [UNTIL] 235 Zone Antarctica/Troll 0 - -00 2005 Feb 12 236 0:00 Troll %s 237 238 # Poland - year-round base 239 # Arctowski, King George Island, -620945-0582745, since 1977 240 241 # Romania - year-bound base 242 # Law-Racoviță, Larsemann Hills, -692319+0762251, since 1986 243 244 # Russia - year-round bases 245 # Bellingshausen, King George Island, -621159-0585337, since 1968-02-22 246 # Mirny, Davis coast, -6633+09301, since 1956-02 247 # Molodezhnaya, Alasheyev Bay, -6740+04551, 248 # year-round from 1962-02 to 1999-07-01 249 # Novolazarevskaya, Queen Maud Land, -7046+01150, 250 # year-round from 1960/61 to 1992 251 252 # Vostok, since 1957-12-16, temporarily closed 1994-02/1994-11 253 # From Craig Mundell (1994-12-15): 254 # http://quest.arc.nasa.gov/antarctica/QA/computers/Directions,Time,ZIP 255 # Vostok, which is one of the Russian stations, is set on the same 256 # time as Moscow, Russia. 257 # 258 # From Lee Hotz (2001-03-08): 259 # I queried the folks at Columbia who spent the summer at Vostok and this is 260 # what they had to say about time there: 261 # "in the US Camp (East Camp) we have been on New Zealand (McMurdo) 262 # time, which is 12 hours ahead of GMT. The Russian Station Vostok was 263 # 6 hours behind that (although only 2 miles away, i.e. 6 hours ahead 264 # of GMT). This is a time zone I think two hours east of Moscow. The 265 # natural time zone is in between the two: 8 hours ahead of GMT." 266 # 267 # From Paul Eggert (2001-05-04): 268 # This seems to be hopelessly confusing, so I asked Lee Hotz about it 269 # in person. He said that some Antarctic locations set their local 270 # time so that noon is the warmest part of the day, and that this 271 # changes during the year and does not necessarily correspond to mean 272 # solar noon. So the Vostok time might have been whatever the clocks 273 # happened to be during their visit. So we still don't really know what time 274 # it is at Vostok. But we'll guess +06. 275 # 276 Zone Antarctica/Vostok 0 - -00 1957 Dec 16 277 6:00 - +06 278 279 # S Africa - year-round bases 280 # Marion Island, -4653+03752 281 # SANAE IV, Vesleskarvet, Queen Maud Land, -714022-0025026, since 1997 282 283 # Ukraine - year-round base 284 # Vernadsky (formerly Faraday), Galindez Island, -651445-0641526, since 1954 285 286 # United Kingdom 287 # 288 # British Antarctic Territories (BAT) claims 289 # South Orkney Islands 290 # scientific station from 1903 291 # whaling station at Signy I 1920/1926 292 # South Shetland Islands 293 # 294 # year-round bases 295 # Bird Island, South Georgia, -5400-03803, since 1983 296 # Deception Island, -6259-06034, whaling station 1912/1931, 297 # scientific station 1943/1967, 298 # previously sealers and a scientific expedition wintered by accident, 299 # and a garrison was deployed briefly 300 # Halley, Coates Land, -7535-02604, since 1956-01-06 301 # Halley is on a moving ice shelf and is periodically relocated 302 # so that it is never more than 10km from its nominal location. 303 # Rothera, Adelaide Island, -6734-6808, since 1976-12-01 304 # 305 # From Paul Eggert (2002-10-22) 306 # <http://webexhibits.org/daylightsaving/g.html> says Rothera is -03 all year. 307 # 308 # Zone NAME GMTOFF RULES FORMAT [UNTIL] 309 Zone Antarctica/Rothera 0 - -00 1976 Dec 1 310 -3:00 - -03 311 312 # Uruguay - year round base 313 # Artigas, King George Island, -621104-0585107 314 315 # USA - year-round bases 316 # 317 # Palmer, Anvers Island, since 1965 (moved 2 miles in 1968) 318 # See 'southamerica' for Antarctica/Palmer, since it uses South American DST. 319 # 320 # McMurdo Station, Ross Island, since 1955-12 321 # Amundsen-Scott South Pole Station, continuously occupied since 1956-11-20 322 # 323 # From Chris Carrier (1996-06-27): 324 # Siple, the first commander of the South Pole station, 325 # stated that he would have liked to have kept GMT at the station, 326 # but that he found it more convenient to keep GMT+12 327 # as supplies for the station were coming from McMurdo Sound, 328 # which was on GMT+12 because New Zealand was on GMT+12 all year 329 # at that time (1957). (Source: Siple's book 90 Degrees South.) 330 # 331 # From Susan Smith 332 # http://www.cybertours.com/whs/pole10.html 333 # (1995-11-13 16:24:56 +1300, no longer available): 334 # We use the same time as McMurdo does. 335 # And they use the same time as Christchurch, NZ does.... 336 # One last quirk about South Pole time. 337 # All the electric clocks are usually wrong. 338 # Something about the generators running at 60.1hertz or something 339 # makes all of the clocks run fast. So every couple of days, 340 # we have to go around and set them back 5 minutes or so. 341 # Maybe if we let them run fast all of the time, we'd get to leave here sooner!! 342 # 343 # See 'australasia' for Antarctica/McMurdo.