1# @(#)southamerica 7.8
2
3# This data is by no means authoritative; if you think you know better,
4# go ahead and edit the file (and please send any changes to
5# tz@elsie.nci.nih.gov for general use in the future).
6
7# From Paul Eggert <eggert@twinsun.com> (November 18, 1993):
8# A good source for time zone historical data outside the U.S. is
9# Thomas G. Shanks, The International Atlas (3rd edition),
10# San Diego: ACS Publications, Inc. (1991).
11# Except where otherwise noted, it is the source for the data below.
12#
13# I invented the abbreviations marked `*' in the following table;
14# the rest are from earlier versions of this file, or from other sources.
15# Some of these are just plausible excuses for common English abbreviations.
16# Corrections are welcome!
17# std dst
18# LMT Local Mean Time
19# -2:00 FST FDT Fernando de Noronha
20# -3:00 EST EDT Eastern South America (conflicts with -5:00)
21# -3:00 ARST ARDT Argentina
22# -4:00 AST ADT Andes*, Antilles*, Asuncion*, Atlantic
23# -4:00 CST CDT Chile (conflicts with -6:00)
24# -4:00 WST WDT Western Brazil
25# -5:00 AST ADT Acre (conflicts with -4:00)
26# -5:00 EST EDT Eastern, Ecuador*
27# -6:00 CST CDT Archipelago of Columbus*, Central
28# -7:00 MST MDT Mataveri*, Mountain
29#
30# See the `africa' file for Zone naming conventions.
31
32# From Guy Harris:
33# From Official Airline Guide - Worldwide Edition (1987). Countries not
34# listed here do not observe DST, according to the OAG. Time zone names
35# are pure inventions, and none are supplied for countries not observing
36# DST; updates from natives would be appreciated. The times that DST
--- 8 unchanged lines hidden (view full) ---
45
46# From Bob Devine (January 28, 1988):
47# Argentina: first Sunday in October to first Sunday in April since 1976.
48# Double Summer time from 1969 to 1974. Switches at midnight.
49
50# From U. S. Naval Observatory (January 19, 19889):
51# ARGENTINA 3 H BEHIND UTC
52
53# From Hernan G. Otero <hernan@isoft.com.ar> (June 26, 1995):
54# I am sending modifications to the Argentinian time zone table...
55# AR was chosen because they are the ISO letters that represent Argentina.
56
57# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
58Rule Arg 1930 only - Dec 1 0:00 1:00 D
59Rule Arg 1931 only - Apr 1 0:00 0 S
60Rule Arg 1931 only - Oct 15 0:00 1:00 D
61Rule Arg 1932 1940 - Mar 1 0:00 0 S
62Rule Arg 1932 1939 - Nov 1 0:00 1:00 D
63Rule Arg 1940 only - Jul 1 0:00 1:00 D
64Rule Arg 1941 only - Jun 15 0:00 0 S
--- 14 unchanged lines hidden (view full) ---
79Rule Arg 1974 1976 - Oct Sun<=7 0:00 1:00 D
80Rule Arg 1975 1977 - Apr Sun<=7 0:00 0 S
81Rule Arg 1985 only - Nov 2 0:00 1:00 D
82Rule Arg 1986 only - Mar 14 0:00 0 S
83Rule Arg 1986 1987 - Oct 25 0:00 1:00 D
84Rule Arg 1987 only - Feb 13 0:00 0 S
85Rule Arg 1988 only - Feb 7 0:00 0 S
86Rule Arg 1988 only - Dec 1 0:00 1:00 D
87#
88# From Hernan G. Otero <hernan@isoft.com.ar> (June 26, 1995):
89# These corrections were contributed by InterSoft Argentina S.A.,
90# obtaining the data from the:
91# Talleres de Hidrografia Naval Argentina
92# (Argentinian Naval Hydrography Institute)
93#
94# Shanks gives 1989 Mar 16 and stops after 1990 Mar 4; go with Otero.
95Rule Arg 1989 1993 - Mar Sun>=1 0:00 0 S
96Rule Arg 1989 1992 - Oct Sun>=15 0:00 1:00 D
97#
98# From Hernan G. Otero <hernan@isoft.com.ar> (June 26, 1995):
99# From this moment on, the law that mandated the daylight saving
100# time corrections was derogated and no more modifications
101# to the time zones (for daylight saving) are now made.
102#
103# Zone NAME GMTOFF RULES FORMAT [UNTIL]
104Zone America/Buenos_Aires -3:53:48 - LMT 1894 Nov
105 -4:17 - CMT 1920 May # Cordoba Mean Time
106 -4:00 - AST 1930 Dec
107 -4:00 Arg A%sT 1969 Oct 5
108 -3:00 Arg AR%sT
109
110# ZONE-DESCR America Buenos_Aires Argentina All points
111
112# Bolivia
113# Zone NAME GMTOFF RULES FORMAT [UNTIL]
114Zone America/La_Paz -4:32:36 - LMT 1890
115 -4:33 - LPMT 1931 Oct 15 # La Paz Mean Time
116 -4:33 1:00 LPDT 1932 Mar 21
--- 331 unchanged lines hidden ---
2
3# This data is by no means authoritative; if you think you know better,
4# go ahead and edit the file (and please send any changes to
5# tz@elsie.nci.nih.gov for general use in the future).
6
7# From Paul Eggert <eggert@twinsun.com> (November 18, 1993):
8# A good source for time zone historical data outside the U.S. is
9# Thomas G. Shanks, The International Atlas (3rd edition),
10# San Diego: ACS Publications, Inc. (1991).
11# Except where otherwise noted, it is the source for the data below.
12#
13# I invented the abbreviations marked `*' in the following table;
14# the rest are from earlier versions of this file, or from other sources.
15# Some of these are just plausible excuses for common English abbreviations.
16# Corrections are welcome!
17# std dst
18# LMT Local Mean Time
19# -2:00 FST FDT Fernando de Noronha
20# -3:00 EST EDT Eastern South America (conflicts with -5:00)
21# -3:00 ARST ARDT Argentina
22# -4:00 AST ADT Andes*, Antilles*, Asuncion*, Atlantic
23# -4:00 CST CDT Chile (conflicts with -6:00)
24# -4:00 WST WDT Western Brazil
25# -5:00 AST ADT Acre (conflicts with -4:00)
26# -5:00 EST EDT Eastern, Ecuador*
27# -6:00 CST CDT Archipelago of Columbus*, Central
28# -7:00 MST MDT Mataveri*, Mountain
29#
30# See the `africa' file for Zone naming conventions.
31
32# From Guy Harris:
33# From Official Airline Guide - Worldwide Edition (1987). Countries not
34# listed here do not observe DST, according to the OAG. Time zone names
35# are pure inventions, and none are supplied for countries not observing
36# DST; updates from natives would be appreciated. The times that DST
--- 8 unchanged lines hidden (view full) ---
45
46# From Bob Devine (January 28, 1988):
47# Argentina: first Sunday in October to first Sunday in April since 1976.
48# Double Summer time from 1969 to 1974. Switches at midnight.
49
50# From U. S. Naval Observatory (January 19, 19889):
51# ARGENTINA 3 H BEHIND UTC
52
53# From Hernan G. Otero <hernan@isoft.com.ar> (June 26, 1995):
54# I am sending modifications to the Argentinian time zone table...
55# AR was chosen because they are the ISO letters that represent Argentina.
56
57# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
58Rule Arg 1930 only - Dec 1 0:00 1:00 D
59Rule Arg 1931 only - Apr 1 0:00 0 S
60Rule Arg 1931 only - Oct 15 0:00 1:00 D
61Rule Arg 1932 1940 - Mar 1 0:00 0 S
62Rule Arg 1932 1939 - Nov 1 0:00 1:00 D
63Rule Arg 1940 only - Jul 1 0:00 1:00 D
64Rule Arg 1941 only - Jun 15 0:00 0 S
--- 14 unchanged lines hidden (view full) ---
79Rule Arg 1974 1976 - Oct Sun<=7 0:00 1:00 D
80Rule Arg 1975 1977 - Apr Sun<=7 0:00 0 S
81Rule Arg 1985 only - Nov 2 0:00 1:00 D
82Rule Arg 1986 only - Mar 14 0:00 0 S
83Rule Arg 1986 1987 - Oct 25 0:00 1:00 D
84Rule Arg 1987 only - Feb 13 0:00 0 S
85Rule Arg 1988 only - Feb 7 0:00 0 S
86Rule Arg 1988 only - Dec 1 0:00 1:00 D
87#
88# From Hernan G. Otero <hernan@isoft.com.ar> (June 26, 1995):
89# These corrections were contributed by InterSoft Argentina S.A.,
90# obtaining the data from the:
91# Talleres de Hidrografia Naval Argentina
92# (Argentinian Naval Hydrography Institute)
93#
94# Shanks gives 1989 Mar 16 and stops after 1990 Mar 4; go with Otero.
95Rule Arg 1989 1993 - Mar Sun>=1 0:00 0 S
96Rule Arg 1989 1992 - Oct Sun>=15 0:00 1:00 D
97#
98# From Hernan G. Otero <hernan@isoft.com.ar> (June 26, 1995):
99# From this moment on, the law that mandated the daylight saving
100# time corrections was derogated and no more modifications
101# to the time zones (for daylight saving) are now made.
102#
103# Zone NAME GMTOFF RULES FORMAT [UNTIL]
104Zone America/Buenos_Aires -3:53:48 - LMT 1894 Nov
105 -4:17 - CMT 1920 May # Cordoba Mean Time
106 -4:00 - AST 1930 Dec
107 -4:00 Arg A%sT 1969 Oct 5
108 -3:00 Arg AR%sT
109
110# ZONE-DESCR America Buenos_Aires Argentina All points
111
112# Bolivia
113# Zone NAME GMTOFF RULES FORMAT [UNTIL]
114Zone America/La_Paz -4:32:36 - LMT 1890
115 -4:33 - LPMT 1931 Oct 15 # La Paz Mean Time
116 -4:33 1:00 LPDT 1932 Mar 21
--- 331 unchanged lines hidden ---