1999-03-19 Andreas Jaeger <aj@arthur.rhein-neckar.de>

* timezone/africa: Update from tzdata1999b. 
* timezone/asia: Likewise. 
* timezone/australasia: Likewise. 
* timezone/europe: Likewise. 
* timezone/northamerica: Likewise. 
* timezone/southamerica: Likewise. 
* timezone/zone.tab: Likewise. 
* timezone/README: Mention tzdata1999b.
1999-03-19  Andreas Jaeger  <aj@arthur.rhein-neckar.de>

	* timezone/africa: Update from tzdata1999b.
	* timezone/asia: Likewise.
	* timezone/australasia: Likewise.
	* timezone/europe: Likewise.
	* timezone/northamerica: Likewise.
	* timezone/southamerica: Likewise.
	* timezone/zone.tab: Likewise.

	* timezone/README: Mention tzdata1999b.

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