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-rw-r--r--timezone/southamerica159
1 files changed, 96 insertions, 63 deletions
diff --git a/timezone/southamerica b/timezone/southamerica
index 3f0cf8c..3232c5c 100644
--- a/timezone/southamerica
+++ b/timezone/southamerica
@@ -1,4 +1,4 @@
-# @(#)southamerica 7.25
+# @(#)southamerica 7.26
# This data is by no means authoritative; if you think you know better,
# go ahead and edit the file (and please send any changes to
@@ -249,70 +249,90 @@ Zone America/La_Paz -4:32:36 - LMT 1890
# <a href="http://pcdsh01.on.br/DecHV.html">
# Decretos sobre o Horario de Verao no Brasil
# </a> (1998-09-25, in Portuguese).
-# I don't read Portuguese, and haven't been able to verify them against
-# the Shanks and IATA data; there do seem to be minor discrepancies.
# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
-# Decree <a href="http://pcdsh01.on.br/HV20466.htm">20.466</a> (1931-01-10)
-# Decree <a href="http://pcdsh01.on.br/HV21896.htm">21.896</a> (1932-01-10)
+# Decree <a href="http://pcdsh01.on.br/HV20466.htm">20,466</a> (1931-10-01)
+# Decree <a href="http://pcdsh01.on.br/HV21896.htm">21,896</a> (1932-01-10)
Rule Brazil 1931 only - Oct 3 11:00 1:00 D
Rule Brazil 1932 1933 - Apr 1 0:00 0 S
Rule Brazil 1932 only - Oct 3 0:00 1:00 D
-# Decree <a href="http://pcdsh01.on.br/HV23195.htm">23.195</a> (1933-10-10)
+# Decree <a href="http://pcdsh01.on.br/HV23195.htm">23,195</a> (1933-10-10)
# revoked DST.
-# Decree <a href="http://pcdsh01.on.br/HV27496.htm">27.496</a> (1949-11-24)
-# Decree <a href="http://pcdsh01.on.br/HV27998.htm">27.998</a> (1950-04-13)
-# Decree <a href="http://pcdsh01.on.br/HV32308.htm">32.308</a> (1953-02-24)
+# Decree <a href="http://pcdsh01.on.br/HV27496.htm">27,496</a> (1949-11-24)
+# Decree <a href="http://pcdsh01.on.br/HV27998.htm">27,998</a> (1950-04-13)
Rule Brazil 1949 1952 - Dec 1 0:00 1:00 D
-Rule Brazil 1950 only - Apr 16 0:00 0 S
-Rule Brazil 1951 1953 - Apr 1 0:00 0 S
-# Decree <a href="http://pcdsh01.on.br/HV34724.htm">34.724</a> (1953-11-30)
+Rule Brazil 1950 only - Apr 16 1:00 0 S
+Rule Brazil 1951 1952 - Apr 1 0:00 0 S
+# Decree <a href="http://pcdsh01.on.br/HV32308.htm">32,308</a> (1953-02-24)
+Rule Brazil 1953 only - Mar 1 0:00 0 S
+# Decree <a href="http://pcdsh01.on.br/HV34724.htm">34,724</a> (1953-11-30)
# revoked DST.
-# Decree <a href="http://pcdsh01.on.br/HV52700.htm">52.700</a> (1963-10-18)
-# Decree <a href="http://pcdsh01.on.br/HV53071.htm">53.071</a> (1963-12-03)
+# Decree <a href="http://pcdsh01.on.br/HV52700.htm">52,700</a> (1963-10-18)
+# established DST from 1963-10-23 00:00 to 1964-02-29 00:00
+# in SP, RJ, GB, MG, ES, due to the prolongation of the drought.
+# Decree <a href="http://pcdsh01.on.br/HV53071.htm">53,071</a> (1963-12-03)
+# extended the above decree to all of the national territory on 12-09.
Rule Brazil 1963 only - Dec 9 0:00 1:00 D
-# Decree <a href="http://pcdsh01.on.br/HV53604.htm">53.604</a> (1964-02-25)
+# Decree <a href="http://pcdsh01.on.br/HV53604.htm">53,604</a> (1964-02-25)
+# extended summer time by one day to 1964-03-01 00:00 (start of school).
Rule Brazil 1964 only - Mar 1 0:00 0 S
-# Decree <a href="http://pcdsh01.on.br/HV55639.htm">55.639</a> (1965-01-27)
+# Decree <a href="http://pcdsh01.on.br/HV55639.htm">55,639</a> (1965-01-27)
Rule Brazil 1965 only - Jan 31 0:00 1:00 D
-Rule Brazil 1965 only - Apr 1 0:00 0 S
-# Decree <a href="http://pcdsh01.on.br/HV57303.htm">57.303</a> (1965-11-22)
+Rule Brazil 1965 only - Mar 31 0:00 0 S
+# Decree <a href="http://pcdsh01.on.br/HV57303.htm">57,303</a> (1965-11-22)
Rule Brazil 1965 only - Dec 1 0:00 1:00 D
-# Decree <a href="http://pcdsh01.on.br/HV57843.htm">57.843</a> (1966-02-18)
+# Decree <a href="http://pcdsh01.on.br/HV57843.htm">57,843</a> (1966-02-18)
Rule Brazil 1966 1968 - Mar 1 0:00 0 S
Rule Brazil 1966 1967 - Nov 1 0:00 1:00 D
-# Decree <a href="http://pcdsh01.on.br/HV63429.htm">63.429</a> (1968-10-15)
-# Decree <a href="http://pcdsh01.on.br/HV91698.htm">91.698</a> (1985-09-27)
+# Decree <a href="http://pcdsh01.on.br/HV63429.htm">63,429</a> (1968-10-15)
+# revoked DST.
+# Decree <a href="http://pcdsh01.on.br/HV91698.htm">91,698</a> (1985-09-27)
Rule Brazil 1985 only - Nov 2 0:00 1:00 D
-# Decree 92.310 (1986-01-21)
-# Decree 92.463 (1986-03-13)
+# Decree 92,310 (1986-01-21)
+# Decree 92,463 (1986-03-13)
Rule Brazil 1986 only - Mar 15 0:00 0 S
-# Decree 93.316 (1986-10-01)
-# Decree <a href="http://pcdsh01.on.br/HV94922.htm">94.922</a> (1987-09-22)
-Rule Brazil 1986 1987 - Oct Sat<=28 0:00 1:00 D
+# Decree 93,316 (1986-10-01)
+Rule Brazil 1986 only - Oct 25 0:00 1:00 D
Rule Brazil 1987 only - Feb 14 0:00 0 S
+# Decree <a href="http://pcdsh01.on.br/HV94922.htm">94,922</a> (1987-09-22)
+Rule Brazil 1987 only - Oct 25 0:00 1:00 D
Rule Brazil 1988 only - Feb 7 0:00 0 S
-# Decree <a href="http://pcdsh01.on.br/HV96676.htm">96.676</a> (1988-09-12)
-# Decree <a href="http://pcdsh01.on.br/HV98077.htm">98.077</a> (1989-08-21)
-# Decree <a href="http://pcdsh01.on.br/HV99530.htm">99.530</a> (1990-09-17)
-# Decree 99.629 (1990-10-19)
-# <a href="http://pcdsh01.on.br/HV1991.htm">Unnumbered decree</a> (1991-09-25):
-# <a href="http://pcdsh01.on.br/HV1992.htm">Unnumbered decree</a> (1992-10-16):
-Rule Brazil 1989 only - Jan 22 0:00 0 S
-Rule Brazil 1988 1989 - Oct Sun>=10 0:00 1:00 D
-Rule Brazil 1990 1991 - Feb Sun>=11 0:00 0 S
-Rule Brazil 1990 1992 - Oct Sun>=20 0:00 1:00 D
+# Decree <a href="http://pcdsh01.on.br/HV96676.htm">96,676</a> (1988-09-12)
+# except for the states of AC, AM, PA, RR, RO, and AP (then a territory)
+Rule Brazil 1988 only - Oct 16 0:00 1:00 D
+Rule Brazil 1989 only - Jan 29 0:00 0 S
+# Decree <a href="http://pcdsh01.on.br/HV98077.htm">98,077</a> (1989-08-21)
+# with the same exceptions
+Rule Brazil 1989 only - Oct 15 0:00 1:00 D
+Rule Brazil 1990 only - Feb 11 0:00 0 S
+# Decree <a href="http://pcdsh01.on.br/HV99530.htm">99,530</a> (1990-09-17)
+# adopted by RS, SC, PR, SP, RJ, ES, MG, GO, MS, DF.
+# Decree 99,629 (1990-10-19) adds BA, MT.
+Rule Brazil 1990 only - Oct 21 0:00 1:00 D
+Rule Brazil 1991 only - Feb 17 0:00 0 S
+# <a href="http://pcdsh01.on.br/HV1991.htm">Unnumbered decree</a> (1991-09-25)
+# adopted by RS, SC, PR, SP, RJ, ES, MG, BA, GO, MT, MS, DF.
+Rule Brazil 1991 only - Oct 20 0:00 1:00 D
Rule Brazil 1992 only - Feb 9 0:00 0 S
+# <a href="http://pcdsh01.on.br/HV1992.htm">Unnumbered decree</a> (1992-10-16)
+# adopted by same states.
+Rule Brazil 1992 only - Oct 25 0:00 1:00 D
+Rule Brazil 1993 only - Jan 31 0:00 0 S
# Decree <a href="http://pcdsh01.on.br/HV942.htm">942</a> (1993-09-28)
-# Decree <a href="http://pcdsh01.on.br/HV1252.htm">1.252</a> (1994-09-22)
-# Decree <a href="http://pcdsh01.on.br/HV1636.htm">1.636</a> (1995-09-14)
-# Decree <a href="http://pcdsh01.on.br/HV1674.htm">1.674</a> (1995-10-13)
+# adopted by same states, plus AM.
+# Decree <a href="http://pcdsh01.on.br/HV1252.htm">1,252</a> (1994-09-22)
+# adopted by same states, minus AM.
+# Decree <a href="http://pcdsh01.on.br/HV1636.htm">1,636</a> (1995-09-14)
+# adopted by same states, plus TO.
+# Decree <a href="http://pcdsh01.on.br/HV1674.htm">1,674</a> (1995-10-13)
+# adds AL, SE.
Rule Brazil 1993 1995 - Oct Sun>=11 0:00 1:00 D
-Rule Brazil 1993 only - Jan 31 0:00 0 S
Rule Brazil 1994 1995 - Feb Sun>=15 0:00 0 S
-# Decree <a href="http://pcdsh01.on.br/HV2000.htm">2.000</a> (1996-09-04)
-Rule Brazil 1996 only - Feb Sun>=11 0:00 0 S
-Rule Brazil 1996 only - Oct Sun>=1 0:00 1:00 D
+Rule Brazil 1996 only - Feb 11 0:00 0 S
+# Decree <a href="http://pcdsh01.on.br/HV2000.htm">2,000</a> (1996-09-04)
+# adopted by same states, minus AL, SE.
+Rule Brazil 1996 only - Oct 6 0:00 1:00 D
+Rule Brazil 1997 only - Feb 16 0:00 0 S
# From Daniel C. Sobral <dcs@gns.com.br> (1998-02-12):
# In 1997, the DS began on October 6. The stated reason was that
# because international television networks ignored Brazil's policy on DS,
@@ -326,16 +346,17 @@ Rule Brazil 1996 only - Oct Sun>=1 0:00 1:00 D
# </a>,
# Church Net UK (1997-10-02).
#
-# Decree 2.317 (1997-09-04)
+# Decree 2,317 (1997-09-04), adopted by same states.
Rule Brazil 1997 only - Oct 6 0:00 1:00 D
-# Decree <a href="http://pcdsh01.on.br/figuras/HV2495.JPG">2.495</a>
+# Decree <a href="http://pcdsh01.on.br/figuras/HV2495.JPG">2,495</a>
# (1998-02-10)
Rule Brazil 1998 only - Mar 1 0:00 0 S
-# Decree <a href="http://pcdsh01.on.br/figuras/Hv98.jpg">2.780</a> (1998-09-11)
+# Decree <a href="http://pcdsh01.on.br/figuras/Hv98.jpg">2,780</a> (1998-09-11)
+# adopted by the same states as before,
# specifies only the 1998-10-11 and 1999-02-21 transitions;
# after that, these rules are guesses and are quite possibly wrong,
# but they are more likely than no DST at all.
-Rule Brazil 1998 max - Oct Sun>=11 0:00 1:00 D
+Rule Brazil 1998 max - Oct Sun>=8 0:00 1:00 D
Rule Brazil 1999 max - Feb Sun>=15 0:00 0 S
@@ -343,46 +364,60 @@ Rule Brazil 1999 max - Feb Sun>=15 0:00 0 S
#
# Fernando de Noronha
Zone America/Noronha -2:09:40 - LMT 1914
- -2:00 - FST 1963 Dec 9
-2:00 Brazil F%sT 1990 Jul
-2:00 - FST
#
-# Amapa, east Para, Maranhao, Piaui, Ceara, Rio Grande do Norte, Paraiba,
+# Amapa, east Para
+Zone America/Belem -3:13:56 - LMT 1914
+ -3:00 Brazil E%sT 1988 Jul
+ -3:00 - EST
+#
+# Maranhao, Piaui, Ceara, Rio Grande do Norte, Paraiba,
# Pernambuco (except Fernando de Noronha)
Zone America/Fortaleza -2:34:00 - LMT 1914
- -3:00 - EST 1963 Dec 9
-3:00 Brazil E%sT 1990 Jul
-3:00 - EST
#
-# Alagoas, Sergipe, Tocantins
-# IATA SSIM (1996/1998) keeps bouncing back and forth as to whether
-# Alagoas and Sergipe observe DST. For now, continue to assume that they do.
-Zone America/Maceio -2:22:52 - LMT 1914
- -3:00 - EST 1963 Dec 9
+# Tocantins
+Zone America/Araguaina -3:12:48 - LMT 1914
-3:00 Brazil E%sT 1990 Jul
-3:00 - EST 1995 Jul
-3:00 Brazil E%sT
#
+# Alagoas, Sergipe
+Zone America/Maceio -2:22:52 - LMT 1914
+ -3:00 Brazil E%sT 1990 Jul
+ -3:00 - EST 1995 Jul
+ -3:00 Brazil E%sT 1996 Jul
+ -3:00 - EST
+#
# Bahia, Goias, Distrito Federal, Minas Gerais, Espirito Santo, Rio de Janeiro,
# Sao Paulo, Parana, Santa Catarina, Rio Grande do Sul
Zone America/Sao_Paulo -3:06:28 - LMT 1914
+ -3:00 Brazil E%sT 1963 Oct 23 00:00
+ -3:00 - EDT 1964
-3:00 Brazil E%sT
#
# Mato Grosso, Mato Grosso do Sul
Zone America/Cuiaba -3:44:20 - LMT 1914
- -4:00 - WST 1963 Dec 9
- -4:00 Brazil W%sT
+ -4:00 Brazil W%sT 1990 Jul
+ -4:00 - WST
+#
+# Roraima, west Para, Rondonia
+Zone America/Porto_Velho -4:15:36 - LMT 1914
+ -4:00 Brazil W%sT 1988 Jul
+ -4:00 - WST
#
-# Roraima, west Para, Amazonas, Rondonia
+# Amazonas
Zone America/Manaus -4:00:04 - LMT 1914
- -4:00 - WST 1963 Dec 9
- -4:00 Brazil W%sT 1990 Jul
+ -4:00 Brazil W%sT 1988 Jul
+ -4:00 - WST 1993 Jul
+ -4:00 Brazil W%sT 1994 Jul
-4:00 - WST
#
# Acre
# Rio_Branco is too ambiguous, since there's a Rio Branco in Uruguay too.
Zone America/Porto_Acre -4:31:12 - LMT 1914
- -5:00 - AST 1963 Dec 9
-5:00 Brazil A%sT 1988 Jul
-5:00 - AST
#
@@ -518,8 +553,6 @@ Rule Para 1993 1995 - Oct 1 0:00 1:00 S
Rule Para 1994 1995 - Feb lastSun 0:00 0 -
Rule Para 1996 1998 - Mar 1 0:00 0 -
Rule Para 1996 max - Oct Sun>=1 0:00 1:00 S
-# IATA SSIM (1998-02) claims that the 1999 switch will be on 02-27.
-# Assume this is a typo, and that 02-28 was meant.
Rule Para 1999 max - Feb lastSun 0:00 0 -
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
Zone America/Asuncion -3:50:40 - LMT 1890