From d878ecb3352a868e4706af8dac236717adbfd7d4 Mon Sep 17 00:00:00 2001 From: Paul Eggert Date: Fri, 18 Mar 2016 15:56:05 -0700 Subject: [PATCH] Revert Easter Island adjustments * NEWS, southamerica (Chile): 2016 and later transitions are at 24:00 mainland time, not at 24:00 local time. This reverts the previous change to 'southamerica'. --- NEWS | 3 +-- southamerica | 12 ++++++------ 2 files changed, 7 insertions(+), 8 deletions(-) diff --git a/NEWS b/NEWS index fc3f58f..756d5e3 100644 --- a/NEWS +++ b/NEWS @@ -9,8 +9,7 @@ Unreleased, experimental changes Chile reverts from permanent to seasonal DST. (Thanks to Juan Correa for the heads-up, and to Tim Parenti for corrections.) Guess that future transitions are August's and May's second - Saturdays at 24:00 local time; this differs from the previous - practice of 24:00 mainland time. Also, call the period from + Saturdays at 24:00 mainland time. Also, call the period from 2014-09-07 through 2016-05-14 daylight saving time instead of standard time, as that seems more appropriate now. diff --git a/southamerica b/southamerica index 38f63d9..ba9ad81 100644 --- a/southamerica +++ b/southamerica @@ -1230,10 +1230,10 @@ Zone America/Rio_Branco -4:31:12 - LMT 1914 # this scheme will stick. # # From Paul Eggert (2016-03-18): -# The decree says transitions occur at 24:00 local time, which differs -# from the 2008 transitions, which were documented to occur at 24:00 -# on the mainland and 22:00 in Easter Island. Guess that this new -# practice starts this year and continues indefinitely. +# For now, assume the pattern holds for the indefinite future. +# The decree says transitions occur at 24:00; in practice this appears +# to mean 24:00 mainland time, not 24:00 local time, so that Easter +# Island is always two hours behind the mainland. # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule Chile 1927 1931 - Sep 1 0:00 1:00 S @@ -1268,8 +1268,8 @@ Rule Chile 2011 only - May Sun>=2 3:00u 0 - Rule Chile 2011 only - Aug Sun>=16 4:00u 1:00 S Rule Chile 2012 2014 - Apr Sun>=23 3:00u 0 - Rule Chile 2012 2014 - Sep Sun>=2 4:00u 1:00 S -Rule Chile 2016 max - May Sat>=8 24:00 0 - -Rule Chile 2016 max - Aug Sat>=8 24:00 1:00 S +Rule Chile 2016 max - May Sun>=9 3:00u 0 - +Rule Chile 2016 max - Aug Sun>=9 4:00u 1:00 S # IATA SSIM anomalies: (1992-02) says 1992-03-14; # (1996-09) says 1998-03-08. Ignore these. # Zone NAME GMTOFF RULES FORMAT [UNTIL] -- 2.5.0