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2013-11-21

2013-11-21 21:15:59 by Henrik Grubbström (Grubba) <grubba@grubba.org>

Updated to tzdata2013h.

42:   # </a> (1998-09-21, in Portuguese)      # - # I invented the abbreviations marked `*' in the following table; + # I invented the abbreviations marked '*' in the following table;   # the rest are from earlier versions of this file, or from other sources.   # Corrections are welcome!   # std dst 2dst
96:   # and a sketch map showing some of the sightlines involved. One paragraph   # of the text said:   # - # `An old stone obelisk marking a forgotten terrestrial meridian stands + # 'An old stone obelisk marking a forgotten terrestrial meridian stands   # beside the river at Kew. In the 18th century, before time and longitude   # was standardised by the Royal Observatory in Greenwich, scholars observed   # this stone and the movement of stars from Kew Observatory nearby. They
140:   # From Paul Eggert (2003-09-27):   # Summer Time was first seriously proposed by William Willett (1857-1915),   # a London builder and member of the Royal Astronomical Society - # who circulated a pamphlet ``The Waste of Daylight'' (1907) + # who circulated a pamphlet "The Waste of Daylight" (1907)   # that proposed advancing clocks 20 minutes on each of four Sundays in April,   # and retarding them by the same amount on four Sundays in September.   # A bill was drafted in 1909 and introduced in Parliament several times,
165:   # </a>      # From Paul Eggert (1996-09-03): - # The OED Supplement says that the English originally said ``Daylight Saving'' + # The OED Supplement says that the English originally said "Daylight Saving"   # when they were debating the adoption of DST in 1908; but by 1916 this   # term appears only in quotes taken from DST's opponents, whereas the - # proponents (who eventually won the argument) are quoted as using ``Summer''. + # proponents (who eventually won the argument) are quoted as using "Summer".      # From Arthur David Olson (1989-01-19):   #
208:   # which could not be said to run counter to any official description.      # From Paul Eggert (2000-10-02): - # Howse writes (p 157) `DBST' too, but `BDST' seems to have been common + # Howse writes (p 157) 'DBST' too, but 'BDST' seems to have been common   # and follows the more usual convention of putting the location name first, - # so we use `BDST'. + # so we use 'BDST'.      # Peter Ilieve (1998-04-19) described at length   # the history of summer time legislation in the United Kingdom.
431:   Rule GB-Eire 1990 1995 - Oct Sun>=22 1:00u 0 GMT   # Summer Time Order 1997 (S.I. 1997/2982)   # See EU for rules starting in 1996. + # + # Use Europe/London for Jersey, Guernsey, and the Isle of Man.      # Zone NAME GMTOFF RULES FORMAT [UNTIL]   Zone Europe/London -0:01:15 - LMT 1847 Dec 1 0:00s
797:    1:00 EU CE%sT      # Bosnia and Herzegovina - # see Serbia + # See Europe/Belgrade.      # Bulgaria   #
825:    2:00 EU EE%sT      # Croatia - # see Serbia + # See Europe/Belgrade.      # Cyprus - # Please see the `asia' file for Asia/Nicosia. + # Please see the 'asia' file for Asia/Nicosia.      # Czech Republic   # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
845:    1:00 C-Eur CE%sT 1944 Sep 17 2:00s    1:00 Czech CE%sT 1979    1:00 EU CE%sT + # Use Europe/Prague also for Slovakia.      # Denmark, Faroe Islands, and Greenland   
1008:   # From Peter Ilieve (1996-10-28):   # [IATA SSIM (1992/1996) claims that the Baltic republics switch at 01:00s,   # but a relative confirms that Estonia still switches at 02:00s, writing:] - # ``I do not [know] exactly but there are some little different + # "I do not [know] exactly but there are some little different   # (confusing) rules for International Air and Railway Transport Schedules   # conversion in Sunday connected with end of summer time in Estonia....   # A discussion is running about the summer time efficiency and effect on   # human physiology. It seems that Estonia maybe will not change to - # summer time next spring.'' + # summer time next spring."      # From Peter Ilieve (1998-11-04), heavily edited:   # <a href="http://trip.rk.ee/cgi-bin/thw?${BASE}=akt&${OOHTML}=rtd&TA=1998&TO=1&AN=1390">
1068:   # Well, here in Helsinki we're just changing from summer time to regular one,   # and it's supposed to change at 4am...    - # From Janne Snabb (2010-0715): + # From Janne Snabb (2010-07-15):   #   # I noticed that the Finland data is not accurate for years 1981 and 1982.   # During these two first trial years the DST adjustment was made one hour
1125:         # - # Shank & Pottenger seem to use `24:00' ambiguously; resolve it with Whitman. + # Shank & Pottenger seem to use '24:00' ambiguously; resolve it with Whitman.   # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S   Rule France 1916 only - Jun 14 23:00s 1:00 S   Rule France 1916 1919 - Oct Sun>=1 23:00s 0 -
1415:   # <a href="http://toi.iriti.cnr.it/uk/ienitlt.html">   # Day-light Saving Time in Italy (2006-02-03)   # </a> - # (`FP' below), taken from an Italian National Electrotechnical Institute + # ('FP' below), taken from an Italian National Electrotechnical Institute   # publication. When the three sources disagree, guess who's right, as follows:   #   # year FP Shanks&P. (S) Whitman (W) Go with:
1561:    2:00 EU EE%sT      # Liechtenstein - # Zone NAME GMTOFF RULES FORMAT [UNTIL] - Zone Europe/Vaduz 0:38:04 - LMT 1894 Jun -  1:00 - CET 1981 -  1:00 EU CE%sT +     -  + # From Paul Eggert (2013-09-09): + # Shanks & Pottenger say Vaduz is like Zurich. +  + # From Alois Treindl (2013-09-18): + # http://www.eliechtensteinensia.li/LIJ/1978/1938-1978/1941.pdf + # ... confirms on p. 6 that Liechtenstein followed Switzerland in 1941 and 1942. + # I ... translate only the last two paragraphs: + # ... during second world war, in the years 1941 and 1942, Liechtenstein + # introduced daylight saving time, adapting to Switzerland. From 1943 on + # central European time was in force throughout the year. + # From a report of the duke's government to the high council, + # regarding the introduction of a time law, of 31 May 1977. +  + Link Europe/Zurich Europe/Vaduz +  +    # Lithuania      # From Paul Eggert (1996-11-22):
1652:    1:00 EU CE%sT      # Macedonia - # see Serbia + # See Europe/Belgrade.      # Malta   # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
1745:    1:00 EU CE%sT      # Montenegro - # see Serbia + # See Europe/Belgrade.      # Netherlands   
1860:   # before 1895, and therefore probably changed the local time somewhere   # between 1895 and 1925 (inclusive).    - # From Paul Eggert (2001-05-01): + # From Paul Eggert (2013-09-04):   #   # Actually, Jan Mayen was never occupied by Germany during World War II,   # so it must have diverged from Oslo time during the war, as Oslo was
1871:   # 1941 with a small Norwegian garrison and continued operations despite   # frequent air ttacks from Germans. In 1943 the Americans established a   # radiolocating station on the island, called "Atlantic City". Possibly - # the UTC offset changed during the war, but I think it unlikely that + # the UT offset changed during the war, but I think it unlikely that   # Jan Mayen used German daylight-saving rules.   #   # Svalbard is more complicated, as it was raided in August 1941 by an
1884:   # the German armed forces at the Svalbard weather station code-named   # Haudegen did not surrender to the Allies until September 1945.   # - # All these events predate our cutoff date of 1970. Unless we can - # come up with more definitive info about the timekeeping during the - # war years it's probably best just do...the following for now: + # All these events predate our cutoff date of 1970, so use Europe/Oslo + # for these regions.   Link Europe/Oslo Arctic/Longyearbyen      # Poland
2144:   # so we (Novosibirsk) simply did not switch.   #   # From Andrey A. Chernov (1996-10-04): - # `MSK' and `MSD' were born and used initially on Moscow computers with + # 'MSK' and 'MSD' were born and used initially on Moscow computers with   # UNIX-like OSes by several developer groups (e.g. Demos group, Kiae group)....   # The next step was the UUCP network, the Relcom predecessor   # (used mainly for mail), and MSK/MSD was actively used there.
2443:    11:00 Russia ANA%sT 2011 Mar 27 2:00s    12:00 - ANAT    + # San Marino + # See Europe/Rome. +    # Serbia   # Zone NAME GMTOFF RULES FORMAT [UNTIL]   Zone Europe/Belgrade 1:22:00 - LMT 1884
2465:   Link Europe/Prague Europe/Bratislava      # Slovenia - # see Serbia + # See Europe/Belgrade.      # Spain   # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
2599:   # and their performance improved enormously. Communities began to keep   # mean time in preference to apparent time -- Geneva from 1780 ....   # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S - # From Whitman (who writes ``Midnight?''): + # From Whitman (who writes "Midnight?"):   # Rule Swiss 1940 only - Nov 2 0:00 1:00 S   # Rule Swiss 1940 only - Dec 31 0:00 0 -   # From Shanks & Pottenger:
2644:   # The 1940 rules must be deleted.   #   # One further detail for Switzerland, which is probably out of scope for - # most users of tzdata: - # The zone file - # Zone Europe/Zurich 0:34:08 - LMT 1848 Sep 12 - # 0:29:44 - BMT 1894 Jun #Bern Mean Time - # 1:00 Swiss CE%sT 1981 - # 1:00 EU CE%sT + # most users of tzdata: The [Europe/Zurich zone] ...   # describes all of Switzerland correctly, with the exception of   # the Cantone Geneve (Geneva, Genf). Between 1848 and 1894 Geneve did not   # follow Bern Mean Time but kept its own local mean time.   # To represent this, an extra zone would be needed. -  + # + # From Alois Treindl (2013-09-11): + # The Federal regulations say + # http://www.admin.ch/opc/de/classified-compilation/20071096/index.html + # ... the meridian for Bern mean time ... is 7 degrees 26'22.50". + # Expressed in time, it is 0h29m45.5s.    -  + # From Pierre-Yves Berger (2013-09-11): + # the "Circulaire du conseil federal" (December 11 1893) + # <http://www.amtsdruckschriften.bar.admin.ch/viewOrigDoc.do?id=10071353> ... + # clearly states that the [1894-06-01] change should be done at midnight + # but if no one is present after 11 at night, could be postponed until one + # hour before the beginning of service. +  + # From Paul Eggert (2013-09-11): + # Round BMT to the nearest even second, 0:29:46. + # + # We can find no reliable source for Shanks's assertion that all of Switzerland + # except Geneva switched to Bern Mean Time at 00:00 on 1848-09-12. This book: + # + # Jakob Messerli. Gleichmassig, punktlich, schnell: Zeiteinteilung und + # Zeitgebrauch in der Schweiz im 19. Jahrhundert. Chronos, Zurich 1995, + # ISBN 3-905311-68-2, OCLC 717570797. + # + # suggests that the transition was more gradual, and that the Swiss did not + # agree about civil time during the transition. The timekeeping it gives the + # most detail for is postal and telegraph time: here, federal legislation (the + # "Bundesgesetz uber die Erstellung von elektrischen Telegraphen") passed on + # 1851-11-23, and an official implementation notice was published 1853-07-16 + # (Bundesblatt 1853, Bd. II, S. 859). On p 72 Messerli writes that in + # practice since July 1853 Bernese time was used in "all postal and telegraph + # offices in Switzerland from Geneva to St. Gallen and Basel to Chiasso" + # (Google translation). For now, model this transition as occurring on + # 1853-07-16, though it probably occurred at some other date in Zurich, and + # legal civil time probably changed at still some other transition date. +    # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S   Rule Swiss 1941 1942 - May Mon>=1 1:00 1:00 S   Rule Swiss 1941 1942 - Oct Mon>=1 2:00 0 -   # Zone NAME GMTOFF RULES FORMAT [UNTIL] - Zone Europe/Zurich 0:34:08 - LMT 1848 Sep 12 -  0:29:44 - BMT 1894 Jun # Bern Mean Time + Zone Europe/Zurich 0:34:08 - LMT 1853 Jul 16 # See above comment. +  0:29:46 - BMT 1894 Jun # Bern Mean Time    1:00 Swiss CE%sT 1981    1:00 EU CE%sT   
2884:   # From Paul Eggert (2006-03-22):   # The _Economist_ (1994-05-28, p 45) reports that central Crimea switched   # from Kiev to Moscow time sometime after the January 1994 elections. - # Shanks (1999) says ``date of change uncertain'', but implies that it happened + # Shanks (1999) says "date of change uncertain", but implies that it happened   # sometime between the 1994 DST switches. Shanks & Pottenger simply say   # 1994-09-25 03:00, but that can't be right. For now, guess it   # changed in May.
2898:    3:00 - MSK 1997 Mar lastSun 1:00u    2:00 EU EE%sT    + # Vatican City + # See Europe/Rome. +    ###############################################################################      # One source shows that Bulgaria, Cyprus, Finland, and Greece observe DST from