Symptoms
The government of Chile extended DST for 2013 to end on April 27, 2013, and start on September 7, 2013 [Official Decree]. This hotfix updates Windows DST support for the (UTC -4:00) Santiago time zone so that DST ends on April 27, 2013, at 23:59:59.999 and the clock reverts to 23:00:00.000. The update also includes the change for DST to start on September 7, 2013, at 23:59:59.999 and the clock to advance to 01:00:00.000 of September 8.
Resolution
This hotfix is also available at Microsoft Update Catalog.A supported hotfix is now available from Microsoft. To obtain the hotfix, click the link at the top of this page, or contact Microsoft Customer Support Services. For a complete list of Microsoft Customer Support Services telephone numbers and information about support costs, go to the following Microsoft website: http://support.microsoft.com/contactus/?ws=supportIn special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question. Note: This update is available only as a hotfix.
More Information
For more information about this change, see the following Microsoft Spanish-language website:
http://www.microsoft.com/chile/cambiodehora/ For more information about the impact of this change (including how to configure Outlook), see the following Microsoft CTS LATAM Team blog:
http://blogs.technet.com/b/latam/archive/2013/02/22/chile-dst-2013-fallback.aspx
