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HP Tru64 UNIX and TruCluster Server Version 5.1B-5: Patch Summary and Release Notes > Chapter 1 Enhancements, Improvements, and Features

Support for the Latest Daylight Saving Time (DST) Changes


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This kit updates the /etc/zoneinfo time zone data files to incorporate all changes as of (date of change) in time zones around the world, most notably the following:


The Australian provinces of Victoria, New South Wales, South Australia, Tasmania, and the Australian Capital Territory decided on harmonising and extending daylight saving arrangements from April 2008.

The Western Australia DST was incorporated starting 3 December 2006.

New Zealand

The New Zealand Government announced its decision to extend the DST starting September — 2007. Clocks will go forward an hour a week earlier than usual - on the last Sunday in September- and back an hour on the first Sunday in April. The Act administered by the Department of Internal Affairs is detailed at:



The Venezuelan government formalized the intention to change Venezuela timezone to GMT-4:30 effective on 9 December 2007 at 3 AM local time. Previously, the GMT offset Venezuela had been following was -4:00. It is now changed to -4:30.

The announcement can be found at:



The Argentine government formalized the intention to change Argentine timezone effective on 30 December 2007 at 0 AM local time until 16 March 2008. Previously, Argentina did not have any DST plans for 2007-08.

The announcement can be found at:


There are similar updates to the DST of Canada, Bahamas, Bermuda, Brazil, and Uruguay in V5.1B-5.

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