File revert-philippines-historical-data.patch of Package timezone.37677
From 2029e0597f7cb8dd28845a44cdf132984ec7f76c Mon Sep 17 00:00:00 2001
From: Antonio Teixeira <antonio.teixeira@suse.com>
Date: Thu, 20 Feb 2025 18:10:32 -0300
Subject: [PATCH] Revert "Improve historical data for the Philippines"
This reverts commit d4c65d53b9ff878291a0b103e0069f24628f6487
and avoids breaking some testsuites for other packages
---
NEWS | 16 --------
asia | 113 ++++++++++++++-------------------------------------
zone.tab | 2 +-
zone1970.tab | 2 +-
zonenow.tab | 2 +-
5 files changed, 34 insertions(+), 101 deletions(-)
diff --git a/NEWS b/NEWS
index 6ee43e75..83b8b8c8 100644
--- a/NEWS
+++ b/NEWS
@@ -4,7 +4,6 @@ Release 2025a - 2025-01-15 10:47:24 -080
Briefly:
Paraguay adopts permanent -03 starting spring 2024.
- Improve pre-1991 data for the Philippines.
Etc/Unknown is now reserved.
Changes to future timestamps
@@ -15,16 +14,6 @@ Release 2025a - 2025-01-15 10:47:24 -080
This affects timestamps starting 2025-03-22, as well as the
obsolescent tm_isdst flags starting 2024-10-15.
- Changes to past timestamps
-
- Correct timestamps for the Philippines before 1900, and from 1937
- through 1990. (Thanks to P Chan for the heads-up and citations.)
- This includes adjusting local mean time before 1899; fixing
- transitions in September 1899, January 1937, and June 1954; adding
- transitions in December 1941, November 1945, March and September
- 1977, and May and July 1990; and removing incorrect transitions in
- March and September 1978.
-
Changes to data
Add zone1970.tab lines for the Concordia and Eyre Bird Observatory
diff --git a/asia b/asia
index 32c52860..a2480b02 100644
--- a/asia
+++ b/asia
@@ -3665,70 +3665,21 @@ Zone Asia/Hebron 2:20:23 - LMT 1900 Oct
# be immediately followed by 1845-01-01; see R.H. van Gent's
# History of the International Date Line
# https://webspace.science.uu.nl/~gent0113/idl/idl_philippines.htm
-
-# From P Chan (2021-05-10):
-# Here's a fairly comprehensive article in Japanese:
-# https://wiki.suikawiki.org/n/Philippine%20Time
-# (2021-05-16):
-# According to the references listed in the article,
-# the periods that the Philippines (Manila) observed DST or used +9 are:
-#
-# 1936-10-31 24:00 to 1937-01-15 24:00
-# (Proclamation No. 104, Proclamation No. 126)
-# 1941-12-15 24:00 to 1945-11-30 24:00
-# (Proclamation No. 789, Proclamation No. 20)
-# 1954-04-11 24:00 to 1954-06-04 24:00
-# (Proclamation No. 13, Proclamation No. 33)
-# 1977-03-27 24:00 to 1977-09-21 24:00
-# (Proclamation No. 1629, Proclamation No. 1641)
-# 1990-05-21 00:00 to 1990-07-28 24:00
-# (National Emergency Memorandum Order No. 17, Executive Order No. 415)
-#
-# Proclamation No. 104 ... October 30, 1936
-# https://www.officialgazette.gov.ph/1936/10/30/proclamation-no-104-s-1936/
-# Proclamation No. 126 ... January 15, 1937
-# https://www.officialgazette.gov.ph/1937/01/15/proclamation-no-126-s-1937/
-# Proclamation No. 789 ... December 13, 1941
-# https://www.officialgazette.gov.ph/1941/12/13/proclamation-no-789-s-1941/
-# Proclamation No. 20 ... November 11, 1945
-# https://www.officialgazette.gov.ph/1945/11/11/proclamation-no-20-s-1945/
-# Proclamation No. 13 ... April 6, 1954
-# https://www.officialgazette.gov.ph/1954/04/06/proclamation-no-13-s-1954/
-# Proclamation No. 33 ... June 3, 1954
-# https://www.officialgazette.gov.ph/1954/06/03/proclamation-no-33-s-1954/
-# Proclamation No. 1629 ... March 25, 1977
-# https://www.officialgazette.gov.ph/1977/03/25/proclamation-no-1629-s-1977/
-# Proclamation No. 1641 ...May 26, 1977
-# https://www.officialgazette.gov.ph/1977/05/26/proclamation-no-1641-s-1977/
-# National Emergency Memorandum Order No. 17 ... May 2, 1990
-# https://www.officialgazette.gov.ph/1990/05/02/national-emergency-memorandum-order-no-17-s-1990/
-# Executive Order No. 415 ... July 20, 1990
-# https://www.officialgazette.gov.ph/1990/07/20/executive-order-no-415-s-1990/
-#
-# During WWII, Proclamation No. 789 fixed two periods of DST. The first period
-# was set to continue only until January 31, 1942. But Manila was occupied by
-# the Japanese earlier in the month....
-#
-# For the date of the adoption of standard time, Shank[s] gives 1899-05-11.
-# The article is not able to state the basis of that. I guess it was based on
-# a US War Department Circular issued on that date.
-# https://books.google.com/books?id=JZ1PAAAAYAAJ&pg=RA3-PA8
-#
-# However, according to other sources, standard time was adopted on
-# 1899-09-06. Also, the LMT was GMT+8:03:52
-# https://books.google.com/books?id=MOYIAQAAIAAJ&pg=PA521
-# https://books.google.com/books?id=lSnqqatpYikC&pg=PA21
-#
-# From Paul Eggert (2024-09-05):
-# The penultimate URL in P Chan's email refers to page 521 of
-# Selga M, The Time Service in the Philippines.
-# Proc Pan-Pacific Science Congress. Vol. 1 (1923), 519-532.
-# It says, "The change from the meridian 120° 58' 04" to the 120th implied a
-# change of 3 min. 52s.26 in time; consequently on 6th September, 1899,
-# Manila Observatory gave the noon signal 3 min. 52s.26 later than before".
-#
-# Wikipedia says the US declared Manila liberated on March 4, 1945;
-# this doesn't affect clocks, just our time zone abbreviation and DST flag.
+# The rest of the data entries are from Shanks & Pottenger.
+
+# From Jesper Nørgaard Welen (2006-04-26):
+# ... claims that Philippines had DST last time in 1990:
+# http://story.philippinetimes.com/p.x/ct/9/id/145be20cc6b121c0/cid/3e5bbccc730d258c/
+# [a story dated 2006-04-25 by Cris Larano of Dow Jones Newswires,
+# but no details]
+
+# From Paul Eggert (2014-08-14):
+# The following source says DST may be instituted November-January and again
+# March-June, but this is not definite. It also says DST was last proclaimed
+# during the Ramos administration (1992-1998); but again, no details.
+# Carcamo D. PNoy urged to declare use of daylight saving time.
+# Philippine Star 2014-08-05
+# http://www.philstar.com/headlines/2014/08/05/1354152/pnoy-urged-declare-use-daylight-saving-time
# From Paul Goyette (2018-06-15) with URLs updated by Guy Harris (2024-02-15):
# In the Philippines, there is a national law, Republic Act No. 10535
@@ -3746,26 +3697,24 @@ Zone Asia/Hebron 2:20:23 - LMT 1900 Oct
# influence of the sources. There is no current abbreviation for DST,
# so use "PDT", the usual American style.
+# From P Chan (2021-05-10):
+# Here's a fairly comprehensive article in Japanese:
+# https://wiki.suikawiki.org/n/Philippine%20Time
+# From Paul Eggert (2021-05-10):
+# The info in the Japanese table has not been absorbed (yet) below.
+
# Rule NAME FROM TO - IN ON AT SAVE LETTER/S
-Rule Phil 1936 only - Oct 31 24:00 1:00 D
-Rule Phil 1937 only - Jan 15 24:00 0 S
-Rule Phil 1941 only - Dec 15 24:00 1:00 D
-# The following three rules were canceled by Japan:
-#Rule Phil 1942 only - Jan 31 24:00 0 S
-#Rule Phil 1942 only - Mar 1 0:00 1:00 D
-#Rule Phil 1942 only - Jun 30 24:00 0 S
-Rule Phil 1945 only - Nov 30 24:00 0 S
-Rule Phil 1954 only - Apr 11 24:00 1:00 D
-Rule Phil 1954 only - Jun 4 24:00 0 S
-Rule Phil 1977 only - Mar 27 24:00 1:00 D
-Rule Phil 1977 only - Sep 21 24:00 0 S
-Rule Phil 1990 only - May 21 0:00 1:00 D
-Rule Phil 1990 only - Jul 28 24:00 0 S
+Rule Phil 1936 only - Nov 1 0:00 1:00 D
+Rule Phil 1937 only - Feb 1 0:00 0 S
+Rule Phil 1954 only - Apr 12 0:00 1:00 D
+Rule Phil 1954 only - Jul 1 0:00 0 S
+Rule Phil 1978 only - Mar 22 0:00 1:00 D
+Rule Phil 1978 only - Sep 21 0:00 0 S
# Zone NAME STDOFF RULES FORMAT [UNTIL]
-Zone Asia/Manila -15:56:08 - LMT 1844 Dec 31
- 8:03:52 - LMT 1899 Sep 6 4:00u
- 8:00 Phil P%sT 1942 Feb 11 24:00
- 9:00 - JST 1945 Mar 4
+Zone Asia/Manila -15:56:00 - LMT 1844 Dec 31
+ 8:04:00 - LMT 1899 May 11
+ 8:00 Phil P%sT 1942 May
+ 9:00 - JST 1944 Nov
8:00 Phil P%sT
# Bahrain
diff --git a/zone.tab b/zone.tab
index d2be6635..bfc0b593 100644
--- a/zone.tab
+++ b/zone.tab
@@ -310,7 +310,7 @@ PF -0900-13930 Pacific/Marquesas Marquesas Islands
PF -2308-13457 Pacific/Gambier Gambier Islands
PG -0930+14710 Pacific/Port_Moresby most of Papua New Guinea
PG -0613+15534 Pacific/Bougainville Bougainville
-PH +143512+1205804 Asia/Manila
+PH +1435+12100 Asia/Manila
PK +2452+06703 Asia/Karachi
PL +5215+02100 Europe/Warsaw
PM +4703-05620 America/Miquelon
diff --git a/zone1970.tab b/zone1970.tab
index e7452043..7726f39a 100644
--- a/zone1970.tab
+++ b/zone1970.tab
@@ -246,7 +246,7 @@ PF -0900-13930 Pacific/Marquesas Marquesas Islands
PF -2308-13457 Pacific/Gambier Gambier Islands
PG,AQ,FM -0930+14710 Pacific/Port_Moresby Papua New Guinea (most areas), Chuuk, Yap, Dumont d'Urville
PG -0613+15534 Pacific/Bougainville Bougainville
-PH +143512+1205804 Asia/Manila
+PH +1435+12100 Asia/Manila
PK +2452+06703 Asia/Karachi
PL +5215+02100 Europe/Warsaw
PM +4703-05620 America/Miquelon
diff --git a/zonenow.tab b/zonenow.tab
index 050d8a7d..01f536b3 100644
--- a/zonenow.tab
+++ b/zonenow.tab
@@ -236,7 +236,7 @@ XX +3114+12128 Asia/Shanghai China ("CST")
XX +2217+11409 Asia/Hong_Kong Hong Kong ("HKT")
#
# +08 - PHT
-XX +143512+1205804 Asia/Manila Philippines ("PHT")
+XX +1435+12100 Asia/Manila Philippines ("PHT")
#
# +08 - WITA
XX -0507+11924 Asia/Makassar Indonesia ("WITA")
--
2.48.1
