08.25.2009 - August 2009 cumulative time zone update for Microsoft Windows operating systems (KB970653)

The update that this article describes changes the time zone data to accommodate daylight saving time (DST) changes in several countries, as outlined in this article. This update also includes other DST-related changes, time zone-related changes, and settings-related changes. Some of these changes have occurred since the products that are listed in the "Applies to" section were originally released. The update that this article describes is a cumulative update rollup that includes all the changes that were previously released in Microsoft Knowledge Base (KB) articles 928388, 929120, 933360, 942763, 951072 and 955839. Important This update supersedes and replaces update 955839, which was released in February 2009. This update also includes additional time zone changes that were signed in to law after update 955839 was created. - View Microsoft Knowledge Base Article - 970653 - Visit Microsoft Corporation