Thanks for the heads-up; here's a draft patch, which I've pushed to the experimental repository.

From 1eda0f6cd40dc4923c5875f68dffb7896d97e7b7 Mon Sep 17 00:00:00 2001 From: Paul Eggert <eggert@cs.ucla.edu> Date: Fri, 20 Sep 2013 09:58:15 -0700 Subject: [PATCH] Tocantins won't observe DST this spring.

Thanks to Steffen Thorsen in <http://mm.icann.org/pipermail/tz/2013-September/020311.html>. * southamerica (America/Araguaina): No longer observing DST. --- southamerica | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/southamerica b/southamerica index 464c548..78f3fcd 100644 --- a/southamerica +++ b/southamerica @@ -845,6 +845,12 @@ Zone America/La_Paz -4:32:36 - LMT 1890 # Tocantins state will have DST. # http://noticias.terra.com.br/brasil/noticias/0,,OI6232536-EI306.html +# From Steffen Thorsen (2013-09-20): +# Tocantins in Brazil is very likely not to observe DST from October.... +# http://conexaoto.com.br/2013/09/18/ministerio-confirma-que-tocantins-esta-fo... +# We will keep this article updated when this is confirmed: +# http://www.timeanddate.com/news/time/brazil-starts-dst-2013.html + # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S # Decree <a href="http://pcdsh01.on.br/HV20466.htm">20,466</a> (1931-10-01) # Decree <a href="http://pcdsh01.on.br/HV21896.htm">21,896</a> (1932-01-10) @@ -1064,7 +1070,8 @@ Zone America/Araguaina -3:12:48 - LMT 1914 -3:00 - BRT 1995 Sep 14 -3:00 Brazil BR%sT 2003 Sep 24 -3:00 - BRT 2012 Oct 21 - -3:00 Brazil BR%sT + -3:00 Brazil BR%sT 2013 Sep + -3:00 - BRT # # Alagoas (AL), Sergipe (SE) Zone America/Maceio -2:22:52 - LMT 1914 -- 1.8.1.2