[tz] [PROPOSED 4/4] Be more specific about Aleutians

[Paul Eggert]

* zone.tab, zone1970.tab (America/Adak): Label it “Alaska -
western Aleutians”, not “Aleutian Islands”, as it excludes the
Aleutians that are east of 169° 30′ W. or are not part of Alaska.
---
 northamerica | 4 ++++
 zone.tab     | 2 +-
 zone1970.tab | 2 +-
 3 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/northamerica b/northamerica
index be5825b8..13ff594a 100644
--- a/northamerica
+++ b/northamerica
@@ -668,6 +668,10 @@ Zone America/Los_Angeles -7:52:58 -	LMT	1883 Nov 18 20:00u
 # So they won't be waiting for Alaska to join them on 2019-03-10, but will
 # rather change their clocks twice in seven weeks.
 
+# From Paul Eggert (2023-01-23):
+# America/Adak is for the Aleutian Islands that are part of Alaska
+# and are west of 169.5° W.
+
 # Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
 Zone America/Juneau	 15:02:19 -	LMT	1867 Oct 19 15:33:32
 			 -8:57:41 -	LMT	1900 Aug 20 12:00
diff --git a/zone.tab b/zone.tab
index f968a342..dbcb6179 100644
--- a/zone.tab
+++ b/zone.tab
@@ -427,7 +427,7 @@ US	+571035-1351807	America/Sitka	Alaska - Sitka area
 US	+550737-1313435	America/Metlakatla	Alaska - Annette Island
 US	+593249-1394338	America/Yakutat	Alaska - Yakutat
 US	+643004-1652423	America/Nome	Alaska (west)
-US	+515248-1763929	America/Adak	Aleutian Islands
+US	+515248-1763929	America/Adak	Alaska - western Aleutians
 US	+211825-1575130	Pacific/Honolulu	Hawaii
 UY	-345433-0561245	America/Montevideo
 UZ	+3940+06648	Asia/Samarkand	Uzbekistan (west)
diff --git a/zone1970.tab b/zone1970.tab
index d6932b80..1f1cecb8 100644
--- a/zone1970.tab
+++ b/zone1970.tab
@@ -338,7 +338,7 @@ US	+571035-1351807	America/Sitka	Alaska - Sitka area
 US	+550737-1313435	America/Metlakatla	Alaska - Annette Island
 US	+593249-1394338	America/Yakutat	Alaska - Yakutat
 US	+643004-1652423	America/Nome	Alaska (west)
-US	+515248-1763929	America/Adak	Aleutian Islands
+US	+515248-1763929	America/Adak	Alaska - western Aleutians
 US	+211825-1575130	Pacific/Honolulu	Hawaii
 UY	-345433-0561245	America/Montevideo
 UZ	+3940+06648	Asia/Samarkand	Uzbekistan (west)
-- 
2.37.2