pike.git / lib / modules / Calendar.pmod / tzdata / southamerica

version» Context lines:

pike.git/lib/modules/Calendar.pmod/tzdata/southamerica:1:   # This file is in the public domain, so clarified as of   # 2009-05-17 by Arthur David Olson.      # This file is by no means authoritative; if you think you know better,   # go ahead and edit the file (and please send any changes to   # tz@iana.org for general use in the future). For more, please see   # the file CONTRIBUTING in the tz distribution.    - # From Paul Eggert (2006-03-22): - # A good source for time zone historical data outside the U.S. is + # From Paul Eggert (2014-10-31): + # + # Unless otherwise specified, the source for data through 1990 is:   # Thomas G. Shanks and Rique Pottenger, The International Atlas (6th edition),   # San Diego: ACS Publications, Inc. (2003). -  + # Unfortunately this book contains many errors and cites no sources.   # - # For data circa 1899, a common source is: - # Milne J. Civil time. Geogr J. 1899 Feb;13(2):173-94. - # http://www.jstor.org/stable/1774359 - # +    # Gwillim Law writes that a good source   # for recent time zone data is the International Air Transport   # Association's Standard Schedules Information Manual (IATA SSIM),   # published semiannually. Law sent in several helpful summaries - # of the IATA's data after 1990. + # of the IATA's data after 1990. Except where otherwise noted, + # IATA SSIM is the source for entries after 1990.   # - # Except where otherwise noted, Shanks & Pottenger is the source for - # entries through 1990, and IATA SSIM is the source for entries afterwards. + # For data circa 1899, a common source is: + # Milne J. Civil time. Geogr J. 1899 Feb;13(2):173-94. + # http://www.jstor.org/stable/1774359   #   # Earlier editions of these tables used the North American style (e.g. ARST and   # ARDT for Argentine Standard and Daylight Time), but the following quote   # suggests that it's better to use European style (e.g. ART and ARST).   # I suggest the use of _Summer time_ instead of the more cumbersome   # _daylight-saving time_. _Summer time_ seems to be in general use   # in Europe and South America.   # -- E O Cutler, _New York Times_ (1937-02-14), quoted in   # H L Mencken, _The American Language: Supplement I_ (1960), p 466   #