about summary refs log tree commit diff
path: root/timezone/africa
diff options
context:
space:
mode:
Diffstat (limited to 'timezone/africa')
-rw-r--r--timezone/africa30
1 files changed, 10 insertions, 20 deletions
diff --git a/timezone/africa b/timezone/africa
index d5d85444e8..69657c0176 100644
--- a/timezone/africa
+++ b/timezone/africa
@@ -1,4 +1,4 @@
-# @(#)africa	7.31
+# @(#)africa	7.32
 
 # 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
@@ -7,8 +7,8 @@
 # From Paul Eggert <eggert@twinsun.com> (1999-03-22):
 #
 # A good source for time zone historical data outside the U.S. is
-# Thomas G. Shanks, The International Atlas (4th edition),
-# San Diego: ACS Publications, Inc. (1995).
+# Thomas G. Shanks, The International Atlas (5th edition),
+# San Diego: ACS Publications, Inc. (1999).
 #
 # Gwillim Law <LAW@encmail.encompass.com> writes that a good source
 # for recent time zone data is the International Air Transport
@@ -294,8 +294,6 @@ Zone	Africa/Maseru	1:50:00 -	LMT	1903 Mar
 # Shanks reports the date as May 1, whereas Howse reports Jan; go with Shanks.
 # For Liberia before 1972, Shanks reports -0:44, whereas Howse and Whitman
 # each report -0:44:30; go with the more precise figure.
-#
-# From Shanks, as corrected by Whitman:
 # Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
 Zone	Africa/Monrovia	-0:43:08 -	LMT	1882
 			-0:43:08 -	MMT	1919 Mar # Monrovia Mean Time
@@ -320,18 +318,16 @@ Rule	Libya	1986	only	-	Apr	 4	0:00	1:00	S
 Rule	Libya	1986	only	-	Oct	 3	0:00	0	-
 Rule	Libya	1987	1989	-	Apr	 1	0:00	1:00	S
 Rule	Libya	1987	1990	-	Oct	 1	0:00	0	-
-Rule	Libya	1990	only	-	May	 4	0:00	1:00	S
-Rule	Libya	1996	only	-	Mar	30	2:00s	1:00	S
-Rule	Libya	1996	only	-	Sep	30	2:00s	0	-
-Rule	Libya	1997	only	-	Apr	 4	0:00	1:00	S
-Rule	Libya	1997	only	-	Oct	 4	0:00	0	-
 # Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
 Zone	Africa/Tripoli	0:52:44 -	LMT	1920
 			1:00	Libya	CE%sT	1959
 			2:00	-	EET	1982
-			1:00	Libya	CE%sT	1991
-			2:00	-	EET	1996 Mar 30 3:00
-			1:00	Libya	CE%sT	1997 Oct  4 0:00
+			1:00	Libya	CE%sT	1990 May  4
+# The following entries are all from Shanks;
+# the IATA SSIM data contain some obvious errors.
+			2:00	-	EET	1996 Sep 30
+			1:00	-	CET	1997 Apr  4
+			1:00	1:00	CEST	1997 Oct  4
 			2:00	-	EET
 
 # Madagascar
@@ -409,8 +405,8 @@ Zone	Africa/Maputo	2:10:20 -	LMT	1903 Mar
 			2:00	-	CAT
 
 # Namibia
-# Shanks says DST transitions are at 0:00; go with IATA.
 # The 1994-04-03 transition is from Shanks.
+# Shanks reports no DST after 1998-04; go with IATA.
 # RULE	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
 Rule	Namibia	1994	max	-	Sep	Sun>=1	2:00	1:00	S
 Rule	Namibia	1995	max	-	Apr	Sun>=1	2:00	0	-
@@ -458,9 +454,6 @@ Zone	Africa/Kigali	2:00:16 -	LMT	1935 Jun
 			2:00	-	CAT
 
 # St Helena
-# From Paul Eggert (1997-10-05):
-# Shanks says St Helena was 1W26 (-0:05:44) from 1890 to 1951,
-# but this is most likely a typo for 5W42, the longitude of Jamestown.
 # Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
 Zone Atlantic/St_Helena	-0:22:48 -	LMT	1890		# Jamestown
 			-0:22:48 -	JMT	1951	# Jamestown Mean Time
@@ -517,9 +510,6 @@ Rule	SA	1943	1944	-	Mar	Sun>=15	2:00	0	-
 Zone Africa/Johannesburg 1:52:00 -	LMT	1892 Feb 8
 			1:30	-	SAST	1903 Mar
 			2:00	SA	SAST
-# Shanks erroneously claims that most of South Africa switched to 1:00
-# on 1994-04-03 at 00:00.
-#
 # Marion and Prince Edward Is
 # scientific station since 1947
 # no information