Daylight Saving Comes to Australia Early – Please be sure you are prepared!!


Daylight saving now commences on the first Sunday in October and ends on the first Sunday in April in Australia Eastern (New South Wales, Victoria, Australian Capital Territory and Tasmania) and Central (South Australia). This change affects Microsoft Windows, Microsoft Office Outlook and other Microsoft, third party and custom applications.  Please find below some of the key things you need to know.

What is the impact of Daylight Savings changes?

The 5th of October commences the second window of time zone harmonisation for this year, however, we expect a greater impact in October as the change is 21 days difference, whereas the adjustment earlier in the year was only 7 days.

What is affected?

  • All Microsoft Windows PC, server and mobile devices in the affected time zones must be updated to ensure accuracy of internal time zone tables and correct operation of the system clock.
  • Microsoft Office Outlook calendars may need to be adjusted. Client and Server-based tools are available to automate this service.
  • Microsoft, third party and custom applications which schedule events at future dates should be reviewed to ensure they will operate correctly during the extended daylight saving period. Previously scheduled events may also need to be adjusted.
  • Microsoft recommends that all PC and server systems are updated regardless of location to ensure consistency of operation.

What do I need to do?

Thorough planning and testing for these changes is critical to ensure the change results in minimal user impact, so to help customers prepare Microsoft has developed the Australia 2008 Daylight Saving Planning document which details the nature and impact of the DST changes, along with planning guidance to avoid user impact.

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