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Diffstat (limited to 'src/timezone/data/southamerica')
| -rw-r--r-- | src/timezone/data/southamerica | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/src/timezone/data/southamerica b/src/timezone/data/southamerica index e2466461dd3..bdc29c214ed 100644 --- a/src/timezone/data/southamerica +++ b/src/timezone/data/southamerica @@ -6,23 +6,23 @@ # 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). -# -# 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 +# Unfortunately this book contains many errors and cites no sources. # # 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 |