[tz] [PROPOSED PATCH] Move out-of-scope Arabian peninsula zones to 'backzone'.
Paul Eggert
eggert at cs.ucla.edu
Wed Nov 26 07:05:45 UTC 2014
* asia (Asia/Bahrain): Now links to Asia/Qatar.
(Asia/Kuwait, Asia/Aden): Now links to Asia/Riyadh.
(Asia/Muscat): Now links to Asia/Dubai.
* backzone: Move the old data here.
* checktab.awk (tztab): Remove special cases for these zones.
* NEWS: Document the above.
---
NEWS | 7 +++++++
asia | 28 ++++++++--------------------
backzone | 21 +++++++++++++++++++++
checktab.awk | 4 ----
4 files changed, 36 insertions(+), 24 deletions(-)
diff --git a/NEWS b/NEWS
index 8b184c6..254ccd9 100644
--- a/NEWS
+++ b/NEWS
@@ -8,6 +8,13 @@ Unreleased, experimental changes
transition was Oct. 29, not Nov. 29. Remove incorrect data from
Shanks about time in Iceland between 1837 and 1908.
+ Some more zones have been turned into links, when they differed
+ from existing zones only for older time stamps. As usual,
+ these changes affect UTC offsets in pre-1970 time stamps only.
+ Their old contents have been moved to the 'backzone' file.
+ The affected zones are: Asia/Aden, Asia/Bahrain, Asia/Kuwait,
+ and Asia/Muscat.
+
Changes affecting code
tzalloc now scrubs time zone abbreviations compatibly with the way
diff --git a/asia b/asia
index 1a2bd12..8f33b16 100644
--- a/asia
+++ b/asia
@@ -145,10 +145,7 @@ Zone Asia/Baku 3:19:24 - LMT 1924 May 2
4:00 Azer AZ%sT
# Bahrain
-# Zone NAME GMTOFF RULES FORMAT [UNTIL]
-Zone Asia/Bahrain 3:22:20 - LMT 1920 # Manamah
- 4:00 - GST 1972 Jun
- 3:00 - AST
+# See Asia/Qatar.
# Bangladesh
# From Alexander Krivenyshev (2009-05-13):
@@ -1731,9 +1728,7 @@ Zone Asia/Pyongyang 8:23:00 - LMT 1908 Apr 1
###############################################################################
# Kuwait
-# Zone NAME GMTOFF RULES FORMAT [UNTIL]
-Zone Asia/Kuwait 3:11:56 - LMT 1950
- 3:00 - AST
+# See Asia/Riyadh.
# Laos
# See Asia/Bangkok.
@@ -1954,12 +1949,7 @@ Zone Asia/Kathmandu 5:41:16 - LMT 1920
5:45 - NPT # Nepal Time
# Oman
-
-# Milne says 3:54:24 was the meridian of the Muscat Tidal Observatory.
-
-# Zone NAME GMTOFF RULES FORMAT [UNTIL]
-Zone Asia/Muscat 3:54:24 - LMT 1920
- 4:00 - GST
+# See Asia/Dubai.
# Pakistan
@@ -2453,6 +2443,7 @@ Zone Asia/Manila -15:56:00 - LMT 1844 Dec 31
Zone Asia/Qatar 3:26:08 - LMT 1920 # Al Dawhah / Doha
4:00 - GST 1972 Jun
3:00 - AST
+Link Asia/Qatar Asia/Bahrain
# Saudi Arabia
#
@@ -2479,6 +2470,8 @@ Zone Asia/Qatar 3:26:08 - LMT 1920 # Al Dawhah / Doha
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
Zone Asia/Riyadh 3:06:52 - LMT 1947 Mar 14
3:00 - AST
+Link Asia/Riyadh Asia/Aden # Yemen
+Link Asia/Riyadh Asia/Kuwait
# Singapore
# taken from Mok Ly Yng (2003-10-30)
@@ -2767,6 +2760,7 @@ Zone Asia/Ashgabat 3:53:32 - LMT 1924 May 2 # or Ashkhabad
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
Zone Asia/Dubai 3:41:12 - LMT 1920
4:00 - GST
+Link Asia/Dubai Asia/Muscat # Oman
# Uzbekistan
# Byalokoz 1919 says Uzbekistan was 4:27:53.
@@ -2851,10 +2845,4 @@ Zone Asia/Ho_Chi_Minh 7:06:40 - LMT 1906 Jul 1
7:00 - ICT
# Yemen
-
-# Milne says 2:59:54 was the meridian of the saluting battery at Aden,
-# and that Yemen was at 1:55:56, the meridian of the Hagia Sophia.
-
-# Zone NAME GMTOFF RULES FORMAT [UNTIL]
-Zone Asia/Aden 2:59:54 - LMT 1950
- 3:00 - AST
+# See Asia/Riyadh.
diff --git a/backzone b/backzone
index 14076c9..d05e8a7 100644
--- a/backzone
+++ b/backzone
@@ -349,6 +349,17 @@ Zone Antarctica/McMurdo 0 - zzz 1956
12:00 NZ NZ%sT
Link Antarctica/McMurdo Antarctica/South_Pole
+# Yemen
+# Milne says 2:59:54 was the meridian of the saluting battery at Aden,
+# and that Yemen was at 1:55:56, the meridian of the Hagia Sophia.
+Zone Asia/Aden 2:59:54 - LMT 1950
+ 3:00 - AST
+
+# Bahrain
+Zone Asia/Bahrain 3:22:20 - LMT 1920 # Manamah
+ 4:00 - GST 1972 Jun
+ 3:00 - AST
+
# India
#
# From Paul Eggert (2014-09-06):
@@ -404,6 +415,16 @@ Zone Asia/Kashgar 5:03:56 - LMT 1928 # or Kashi or Kaxgar
5:00 - KAST 1980 May
8:00 PRC C%sT
+# Kuwait
+Zone Asia/Kuwait 3:11:56 - LMT 1950
+ 3:00 - AST
+
+
+# Oman
+# Milne says 3:54:24 was the meridian of the Muscat Tidal Observatory.
+Zone Asia/Muscat 3:54:24 - LMT 1920
+ 4:00 - GST
+
# India
# From Paul Eggert (2014-08-11), after a heads-up from Stephen Colebourne:
# According to a Portuguese decree (1911-05-26)
diff --git a/checktab.awk b/checktab.awk
index 0686399..9a452b6 100644
--- a/checktab.awk
+++ b/checktab.awk
@@ -17,10 +17,6 @@ BEGIN {
if (zone_table == "zone1970.tab") {
tztab["America/Antigua"] = 1
tztab["America/Cayman"] = 1
- tztab["Asia/Aden"] = 1
- tztab["Asia/Bahrain"] = 1
- tztab["Asia/Kuwait"] = 1
- tztab["Asia/Muscat"] = 1
tztab["Pacific/Midway"] = 1
tztab["Pacific/Saipan"] = 1
}
--
2.1.0
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