[tz] tzdb data for North and Central America

Fri Jan 10 23:51:01 UTC 2020

Thank you for those corrections. I installed the attached patch to 
tzdb's development version and these fixes should appear in the next 
release.
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From 2ae2ca6ca42f40f81dc62488e14e00da5d9ff646 Mon Sep 17 00:00:00 2001
From: Paul Eggert <eggert at cs.ucla.edu>
Date: Fri, 10 Jan 2020 15:47:43 -0800
Subject: [PATCH] Improve comments for Quebec and Yukon.
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

* NEWS, northamerica: Say that America/Halifax applies to the
Îles-de-la-Madeleine and the Listuguj reserve.
* zone.tab, zone1970.tab: Say that that the old Yukon division
was between east and west, not south and north.
---
 NEWS         |  6 ++++++
 northamerica | 19 ++++++++++++++-----
 zone.tab     |  4 ++--
 zone1970.tab |  4 ++--
 4 files changed, 24 insertions(+), 9 deletions(-)

diff --git a/NEWS b/NEWS
index 28b6bad..ccc3dde 100644
--- a/NEWS
+++ b/NEWS
@@ -21,6 +21,12 @@ Unreleased, experimental changes
     The configuration macro ALTZONE now has the same values with the
     same meaning as HAVE_TZNAME and USG_COMPAT.
 
+  Changes to commentary
+
+    The Îles-de-la-Madeleine and the Listuguj reserve are noted as
+    following America/Halifax, and comments about Yukon's "south" and
+    "north" have been corrected to say "east" and "west".  (Thanks to
+    Jeffery Nichols.)
 
 Release 2019c - 2019-09-11 08:59:48 -0700
 
diff --git a/northamerica b/northamerica
index 42e18c7..5ad2ac2 100644
--- a/northamerica
+++ b/northamerica
@@ -1470,7 +1470,8 @@ Zone America/Goose_Bay	-4:01:40 -	LMT	1884 # Happy Valley-Goose Bay
 			-4:00	Canada	A%sT
 
 
-# west Labrador, Nova Scotia, Prince Edward I
+# west Labrador, Nova Scotia, Prince Edward I,
+# Îles-de-la-Madeleine, Listuguj reserve
 
 # From Brian Inglis (2015-07-20):
 # From the historical weather station records available at:
@@ -1489,6 +1490,13 @@ Zone America/Goose_Bay	-4:01:40 -	LMT	1884 # Happy Valley-Goose Bay
 # in Canada to observe DST in 1971 but not 1970; for now we'll assume
 # this is a typo.
 
+# From Jeffery Nichols (2020-01-09):
+# America/Halifax ... also applies to Îles-de-la-Madeleine and the Listuguj
+# reserve in Quebec. Officially, this came into effect on January 1, 2007
+# (Legal Time Act, CQLR c T-5.1), but the legislative debates surrounding that
+# bill say that it is "accommodating the customs and practices" of those
+# regions, which suggests that they have always been in-line with Halifax.
+
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
 Rule	Halifax	1916	only	-	Apr	 1	0:00	1:00	D
 Rule	Halifax	1916	only	-	Oct	 1	0:00	0	S
@@ -1582,19 +1590,20 @@ Zone America/Moncton	-4:19:08 -	LMT	1883 Dec  9
 
 # Quebec
 
-# From Paul Eggert (2015-03-24):
+# From Paul Eggert (2020-01-10):
 # See America/Toronto for most of Quebec, including Montreal.
+# See America/Halifax for the Îles de la Madeleine and the Listuguj reserve.
 #
 # Matthews and Vincent (1998) also write that Quebec east of the -63
 # meridian is supposed to observe AST, but residents as far east as
 # Natashquan use EST/EDT, and residents east of Natashquan use AST.
 # The Quebec department of justice writes in
 # "The situation in Minganie and Basse-Côte-Nord"
-# http://www.justice.gouv.qc.ca/english/publications/generale/temps-minganie-a.htm
+# https://www.justice.gouv.qc.ca/en/department/ministre/functions-and-responsabilities/legal-time-in-quebec/the-situation-in-minganie-and-basse-cote-nord/
 # that the coastal strip from just east of Natashquan to Blanc-Sablon
 # observes Atlantic standard time all year round.
-# https://www.assnat.qc.ca/Media/Process.aspx?MediaId=ANQ.Vigie.Bll.DocumentGenerique_8845en
-# says this common practice was codified into law as of 2007.
+# This common practice was codified into law as of 2007; see Legal Time Act,
+# CQLR c T-5.1 <http://legisquebec.gouv.qc.ca/en/ShowDoc/cs/T-5.1>.
 # For lack of better info, guess this practice began around 1970, contra to
 # Shanks & Pottenger who have this region observing AST/ADT.
 
diff --git a/zone.tab b/zone.tab
index 55c8ca9..8423393 100644
--- a/zone.tab
+++ b/zone.tab
@@ -131,8 +131,8 @@ CA	+4906-11631	America/Creston	MST - BC (Creston)
 CA	+5946-12014	America/Dawson_Creek	MST - BC (Dawson Cr, Ft St John)
 CA	+5848-12242	America/Fort_Nelson	MST - BC (Ft Nelson)
 CA	+4916-12307	America/Vancouver	Pacific - BC (most areas)
-CA	+6043-13503	America/Whitehorse	Pacific - Yukon (south)
-CA	+6404-13925	America/Dawson	Pacific - Yukon (north)
+CA	+6043-13503	America/Whitehorse	Pacific - Yukon (east)
+CA	+6404-13925	America/Dawson	Pacific - Yukon (west)
 CC	-1210+09655	Indian/Cocos
 CD	-0418+01518	Africa/Kinshasa	Dem. Rep. of Congo (west)
 CD	-1140+02728	Africa/Lubumbashi	Dem. Rep. of Congo (east)
diff --git a/zone1970.tab b/zone1970.tab
index f761f3e..0750582 100644
--- a/zone1970.tab
+++ b/zone1970.tab
@@ -128,8 +128,8 @@ CA	+4906-11631	America/Creston	MST - BC (Creston)
 CA	+5946-12014	America/Dawson_Creek	MST - BC (Dawson Cr, Ft St John)
 CA	+5848-12242	America/Fort_Nelson	MST - BC (Ft Nelson)
 CA	+4916-12307	America/Vancouver	Pacific - BC (most areas)
-CA	+6043-13503	America/Whitehorse	Pacific - Yukon (south)
-CA	+6404-13925	America/Dawson	Pacific - Yukon (north)
+CA	+6043-13503	America/Whitehorse	Pacific - Yukon (east)
+CA	+6404-13925	America/Dawson	Pacific - Yukon (west)
 CC	-1210+09655	Indian/Cocos
 CH,DE,LI	+4723+00832	Europe/Zurich	Swiss time
 CI,BF,GM,GN,ML,MR,SH,SL,SN,TG	+0519-00402	Africa/Abidjan
-- 
2.24.1

