>From 379c0ed55fd60b2bdf5e375a2e4f2fc33f7b7076 Mon Sep 17 00:00:00 2001
From: Paul Eggert <eggert@cs.ucla.edu>
Date: Wed, 9 Aug 2017 17:44:35 -0700
Subject: [PROPOSED] Nambia's 1994 switch was on March 21, not April 3

(Thanks to Arthur David Olson.)
* NEWS: Document this.
* africa (Namibia, Africa/Windhoek): Implement it.
---
 NEWS   |  3 +++
 africa | 15 ++++++++++++---
 2 files changed, 15 insertions(+), 3 deletions(-)

diff --git a/NEWS b/NEWS
index 370a39f..69b6a8b 100644
--- a/NEWS
+++ b/NEWS
@@ -14,6 +14,9 @@ Unreleased, experimental changes
 
   Changes to past time stamps
 
+    Namibia switched from +02 to +01 on 1994-03-21, not 1994-04-03.
+    (Thanks to Arthur David Olson.)
+
     Detroit did not observe DST in 1967.
 
     Use railway time for Asia/Kolkata before 1941, by switching to
diff --git a/africa b/africa
index 3b0e77f..e384199 100644
--- a/africa
+++ b/africa
@@ -937,9 +937,17 @@ Link Africa/Maputo Africa/Kigali	# Rwanda
 Link Africa/Maputo Africa/Lubumbashi	# E Dem. Rep. of Congo
 Link Africa/Maputo Africa/Lusaka	# Zambia
 
+
 # Namibia
-# The 1994-04-03 transition is from Shanks & Pottenger.
-# Shanks & Pottenger report no DST after 1998-04; go with IATA.
+
+# From Arthur David Olson (2017-08-09):
+# The text of the "Namibia Time Act, 1994" is available online at
+# www.lac.org.na/laws/1994/811.pdf
+# and includes this nugget:
+# Notwithstanding the provisions of subsection (2) of section 1, the
+# first winter period after the commencement of this Act shall
+# commence at OOhOO on Monday 21 March 1994 and shall end at 02h00 on
+# Sunday 4 September 1994.
 
 # From Petronella Sibeene (2007-03-30):
 # http://allafrica.com/stories/200703300178.html
@@ -967,6 +975,7 @@ Link Africa/Maputo Africa/Lusaka	# Zambia
 # https://www.timeanddate.com/news/time/namibia-new-time-zone.html
 
 # RULE	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	Namibia	1994	only	-	Mar	21	0:00	0	-
 Rule	Namibia	1994	2017	-	Sep	Sun>=1	2:00	1:00	S
 Rule	Namibia	1995	2017	-	Apr	Sun>=1	2:00	0	-
 # Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
@@ -975,7 +984,7 @@ Zone	Africa/Windhoek	1:08:24 -	LMT	1892 Feb 8
 			2:00	-	SAST	1942 Sep 20  2:00
 			2:00	1:00	SAST	1943 Mar 21  2:00
 			2:00	-	SAST	1990 Mar 21 # independence
-			2:00	-	CAT	1994 Apr  3
+			2:00	-	CAT	1994 Mar 21  0:00
 			1:00	Namibia	WA%sT	2017 Sep  3  2:00
 			2:00	-	CAT
 
-- 
2.7.4

