According to several news sources, Chile has extended DST this year, they will end DST later and start DST earlier than planned. They hope to save energy. The new end date is 2013-04-28 00:00 and new start date is 2013-09-08 00:00. One such news source: http://www.elboyaldia.cl/node/21913 Best regards, Steffen Thorsen - timeanddate.com