--- a/southamerica
+++ b/southamerica
@@ -1048,7 +1048,8 @@ Zone America/Araguaina	-3:12:48 -	LMT	19
 			-3:00	Brazil	BR%sT	1990 Sep 17
 			-3:00	-	BRT	1995 Sep 14
 			-3:00	Brazil	BR%sT	2003 Sep 24
-			-3:00	-	BRT
+			-3:00	-	BRT	2012 Oct 21
+			-3:00	Brazil	BR%sT
 #
 # Alagoas (AL), Sergipe (SE)
 Zone America/Maceio	-2:22:52 -	LMT	1914
@@ -1067,7 +1068,8 @@ Zone America/Maceio	-2:22:52 -	LMT	1914
 Zone America/Bahia	-2:34:04 -	LMT	1914
 			-3:00	Brazil	BR%sT	2003 Sep 24
 			-3:00	-	BRT	2011 Oct 16
-			-3:00	Brazil	BR%sT
+			-3:00	Brazil	BR%sT	2012 Oct 21
+			-3:00	-	BRT
 #
 # Goias (GO), Distrito Federal (DF), Minas Gerais (MG),
 # Espirito Santo (ES), Rio de Janeiro (RJ), Sao Paulo (SP), Parana (PR),