From 075ad7016e4519cab9728fd248e79ce50637ddd6 Mon Sep 17 00:00:00 2001 From: Paul Eggert Date: Mon, 5 Dec 2016 00:34:57 -0800 Subject: [PROPOSED] Southern Chile moves from -04/-03 to -03 (Thanks to Juan Correa.) * NEWS, antarctica: Document this. * southamerica (America/Santiago, Pacific/Easter, Antarctica/Palmer): Switch to numeric abbreviations for integer zones. * southamerica, zone.tab, zone1970.tab (America/Punta_Arenas): New zone. --- NEWS | 15 +++++++++++++++ antarctica | 3 ++- southamerica | 48 +++++++++++++++++++++++++++++++++--------------- zone.tab | 1 + zone1970.tab | 1 + 5 files changed, 52 insertions(+), 16 deletions(-) diff --git a/NEWS b/NEWS index 30756cb..144a34b 100644 --- a/NEWS +++ b/NEWS @@ -2,6 +2,21 @@ News for the tz database Unreleased, experimental changes + Briefly: Southern Chile moves from -04/-03 to -03. + + Changes to future time stamps + + Chile's Region of Magallanes moves from -04/-03 to -03 year-round. + Its clocks diverge from America/Santiago starting 2017-05-13 at + 23:00, hiving off a new zone America/Punta_Arenas. (Thanks to + Juan Correa.) This also affects Antarctica/Palmer. + + Changes to current and future time zone abbreviations + + Switch to numeric time zones for Chile, so as to not invent an + abbreviation for its new zone. This affects America/Santiago, + Pacific/Easter, and Antarctica/Palmer. + Changes to documentation and commentary tz-link.htm now covers leap smearing, which is popular in clouds. diff --git a/antarctica b/antarctica index 6da1aef..3332d66 100644 --- a/antarctica +++ b/antarctica @@ -110,7 +110,8 @@ Zone Antarctica/Mawson 0 - -00 1954 Feb 13 # O'Higgins, Antarctic Peninsula, -6319-05704, since 1948-02 # Prat, -6230-05941 # Villa Las Estrellas (a town), around the Frei base, since 1984-04-09 -# These locations have always used Santiago time; use TZ='America/Santiago'. +# These locations employ Region of Magallanes time; use +# TZ='America/Punta_Arenas'. # China - year-round bases # Great Wall, King George Island, -6213-05858, since 1985-02-20 diff --git a/southamerica b/southamerica index 5321451..43bc67e 100644 --- a/southamerica +++ b/southamerica @@ -1235,6 +1235,10 @@ Zone America/Rio_Branco -4:31:12 - LMT 1914 # to mean 24:00 mainland time, not 24:00 local time, so that Easter # Island is always two hours behind the mainland. +# From Juan Correa (2016-12-04): +# Magallanes region ... will keep DST (UTC -3) all year round.... +# http://www.soychile.cl/Santiago/Sociedad/2016/12/04/433428/Bachelet-firmo-el-decreto-para-establecer-un-horario-unico-para-la-Region-de-Magallanes.aspx + # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule Chile 1927 1931 - Sep 1 0:00 1:00 S Rule Chile 1928 1932 - Apr 1 0:00 0 - @@ -1275,22 +1279,35 @@ Rule Chile 2016 max - Aug Sun>=9 4:00u 1:00 S # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone America/Santiago -4:42:46 - LMT 1890 -4:42:46 - SMT 1910 Jan 10 # Santiago Mean Time - -5:00 - CLT 1916 Jul 1 # Chile Time + -5:00 - -05 1916 Jul 1 + -4:42:46 - SMT 1918 Sep 10 + -4:00 - -04 1919 Jul 1 + -4:42:46 - SMT 1927 Sep 1 + -5:00 Chile -05/-04 1932 Sep 1 + -4:00 - -04 1942 Jun 1 + -5:00 - -05 1942 Aug 1 + -4:00 - -04 1946 Jul 15 + -4:00 1:00 -03 1946 Sep 1 # central Chile + -4:00 - -04 1947 Apr 1 + -5:00 - -05 1947 May 21 23:00 + -4:00 Chile -04/-03 +Zone America/Punta_Arenas -4:43:40 - LMT 1890 + -4:42:46 - SMT 1910 Jan 10 + -5:00 - -05 1916 Jul 1 -4:42:46 - SMT 1918 Sep 10 - -4:00 - CLT 1919 Jul 1 + -4:00 - -04 1919 Jul 1 -4:42:46 - SMT 1927 Sep 1 - -5:00 Chile CL%sT 1932 Sep 1 - -4:00 - CLT 1942 Jun 1 - -5:00 - CLT 1942 Aug 1 - -4:00 - CLT 1946 Jul 15 - -4:00 1:00 CLST 1946 Sep 1 # central Chile - -4:00 - CLT 1947 Apr 1 - -5:00 - CLT 1947 May 21 23:00 - -4:00 Chile CL%sT + -5:00 Chile -05/-04 1932 Sep 1 + -4:00 - -04 1942 Jun 1 + -5:00 - -05 1942 Aug 1 + -4:00 - -04 1947 Apr 1 + -5:00 - -05 1947 May 21 23:00 + -4:00 Chile -04/-03 2016 Dec 4 + -3:00 - -03 Zone Pacific/Easter -7:17:28 - LMT 1890 -7:17:28 - EMT 1932 Sep # Easter Mean Time - -7:00 Chile EAS%sT 1982 Mar 14 3:00u # Easter Time - -6:00 Chile EAS%sT + -7:00 Chile -07/-06 1982 Mar 14 3:00u # Easter Time + -6:00 Chile -06/-05 # # Salas y G��mez Island is uninhabited. # Other Chilean locations, including Juan Fern��ndez Is, Desventuradas Is, @@ -1310,9 +1327,10 @@ Zone Pacific/Easter -7:17:28 - LMT 1890 # # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Antarctica/Palmer 0 - -00 1965 - -4:00 Arg AR%sT 1969 Oct 5 - -3:00 Arg AR%sT 1982 May - -4:00 Chile CL%sT + -4:00 Arg -04/-03 1969 Oct 5 + -3:00 Arg -03/-02 1982 May + -4:00 Chile -04/-03 2016 Dec 4 + -3:00 - -03 # Colombia diff --git a/zone.tab b/zone.tab index f3ff0b6..a639a36 100644 --- a/zone.tab +++ b/zone.tab @@ -142,6 +142,7 @@ CH +4723+00832 Europe/Zurich CI +0519-00402 Africa/Abidjan CK -2114-15946 Pacific/Rarotonga CL -3327-07040 America/Santiago Chile (most areas) +CL -5309-07055 America/Punta_Arenas Region of Magallanes CL -2709-10926 Pacific/Easter Easter Island CM +0403+00942 Africa/Douala CN +3114+12128 Asia/Shanghai Beijing Time diff --git a/zone1970.tab b/zone1970.tab index dc50f6d..2bcdc64 100644 --- a/zone1970.tab +++ b/zone1970.tab @@ -135,6 +135,7 @@ CH,DE,LI +4723+00832 Europe/Zurich Swiss time CI,BF,GM,GN,ML,MR,SH,SL,SN,ST,TG +0519-00402 Africa/Abidjan CK -2114-15946 Pacific/Rarotonga CL -3327-07040 America/Santiago Chile (most areas) +CL -5309-07055 America/Punta_Arenas Region of Magallanes CL -2709-10926 Pacific/Easter Easter Island CN +3114+12128 Asia/Shanghai Beijing Time CN +4348+08735 Asia/Urumqi Xinjiang Time -- 2.7.4