18322: Australia, New Zealand Time Zone and Daylight Saving Time (DST) update.

Article ID: 18322
Date: 18 September 2008

Title: Australia, New Zealand Time Zone and Daylight Saving Time (DST) update.

The start and end dates for daylight saving time in the Australia and New Zealand time zone are changing in 2007/2008 as follows:

Australia Daylight Time update, DEC.2007, Latest update:

Name	Time Zone	DST Start	DST End
AUS Eastern Standard Time	(GMT+10:00) Canberra, Melbourne, Sydney	First Sunday in October at 02:00:00	First Sunday in April at 03:00:00
Cen. Australia Standard Time	(GMT+09:30) Adelaide	First Sunday in October at 02:00:00	First Sunday in April at 03:00:00
Tasmania Standard Time	(GMT+10:00) Hobart	First Sunday in October at 02:00:00	First Sunday in April at 03:00:00

Refer to MSFT KB 942763 cumulative time zone update for Ms Windows OS December 2007

New Zealand Daylight Time update, AUG 2007:

Name	Time Zone	DST Start	DST End
New Zealand Standard Time	(GMT+12:00) Auckland, Wellington	Last Sunday in September at 02:00:00	First Sunday in April at 03:00:00

Refer to MSFT KB 931836 cumulative time zone update for Ms Windows OS Feb 2007

Australia Daylight Time update, Feb.2007:

Name	Time Zone	DST Start	DST End
W. Australia Standard Time	(GMT+08:00) Perth	Last Sunday in October at 02:00:00	Last Sunday in March at 03:00:00

Refer to MSFT KB 931836 cumulative time zone update for Ms Windows OS Feb 2007

Current Time Zones in Australia:
There are three time zones in Australia:

Australian Eastern Standard Time (AEST), which is equal to Coordinated Universal Time (UTC) plus 10 hours ahead (UTC+10). AEST applies to: New South Wales except Yancowinna County, which includes the city of Broken Hill; Victoria; Queensland; Tasmania; and the Australian Capital Territory. During daylight saving time, AEST becomes Australian Eastern Daylight Time (AEDT) and clocks are advanced to UTC+11. Not all states (eg. Queensland) observe daylight saving time.
Australian Central Standard Time (ACST), which is UTC+9:30, and applies to: South Australia; the Northern Territory; and Yancowinna County, which includes the city of Broken Hill, in New South Wales. During daylight saving time, ACST becomes Australian Central Daylight Time (ACDT), and clocks are advanced to UTC +10:30. The Northern Territory does not observe daylight saving time.
Australian Western Standard Time (AWST), which is UTC+8, and applies to Western Australia. During daylight saving time, AWST becomes Australian Western Daylight Time (AWDT), and clocks are advanced to UTC +9.

GMM DST and time Zone updates and enhancements.
The latest Australia and New Zealand Daylight Saving Time enhancements and updates have been added to GMM to reflect newer DST rules as passed by the respective countries.

The following Australia and New Zealand time-zone support has been added for the latest DST update:

Central Australia Standard Time = (GMT+09:30) Adelaide
Australia Eastern Standard Time = (GMT+10:00) Canberra, Melbourne, Sydney

The steps specify to the new ANZ DST rules.
If you have an Exchange and Windows environment please follow steps as suggested by Microsoft available here:

Australia Eastern & Central 2008 Daylight Saving Changes

If you have a Lotus Domino environment please follow steps as suggested by IBM available here.

Steps to prepare Notes/Domino for Tasmania and Eastern/Southern Australia 2008 Daylight Saving Time changes (#1283693)

Update Good Mobile Messaging Server and Client to 5.0.4 or above.

Latest Good software package

DST upgrade for GMM with MS Exchange Server:
Installing the latest Windows OS changes that relate to Daylight Saving Time on GMM host, make sure the patches have been applied on both GMM and Exchange host

Apply the OS patch of latest time-zone changes found at http://support.microsoft.com/default.aspx/kb/942763. This patch addresses specific country time-zone changes; we recommend its installation regardless of which countries you are currently operating in.
Update the CDO patch appropriate for the Exchange server. For Exchange 2003: http://support.microsoft.com/kb/943068. For Exchange 2007: http://www.microsoft.com/downloads/details.aspx?FamilyID=E17E7F31-079A-43A9-BFF2-0A110307611E&displaylang=en.
Update the GMM Server to 5.0.4.
Update the GMM client to 5.0.4
Run the Microsoft Outlook Time Zone Data Update Tool, http://www.microsoft.com/downloads/details.aspx?FamilyID=E17E7F31-079A-43A9-BFF2-0A110307611E&displaylang=en

Note: Please note, Good cannot guaranty these results for each unique customer environment. So we encourage you to review the recommendations of Microsoft and IBM closely and to proceed cautiously in light of your special knowledge of your own systems.

DST upgrade for GMM with IBM Domino Server:
Installing the latest Windows OS changes that relate to Daylight Saving Time on GMM host, make sure the patches have been applied on both GMM and Exchange host

Apply the OS patch of latest time-zone changes found at http://support.microsoft.com/default.aspx/kb/942763. This patch addresses specific country time-zone changes; we recommend its installation regardless of which countries you are currently operating in.
Update IBM Domino Server, Steps to prepare Notes/Domino for Tasmania and Eastern/Southern Australia 2008 Daylight Saving Time changes (#1283693)
Update the GMM Server to 5.0.4.
Update the GMM client to 5.0.4
Run the Mail Agents, Agents for updating Calendaring and Scheduling entries and Resource Reservation entries for Eastern/Southern Australia as well as Tasmania for Daylight Saving Time (DST) 2008 (#1283697)

FAQ: What's the impact of the DST changes on Good Mobile Messaging users who reside in the affected time zones?
Appointments created from the handheld or created from the desktop and synchronized with the handheld will appear one hour off. For recurring appointments created from the handheld, appointments might appear one hour off or not synchronize at all.

Customer should follow the above steps to update their Good server/Clients, Windows Server and Exchange/Domino server with latest DST patches/updates.

Note: Please note that these issues will occur even if users apply the Windows Mobile or Palm OS DST patches to their handhelds.

FAQ: Do I need to apply DST patches from my device manufacturers?
Device Manufacturer DST Patches are not needed for Good Mobile Messaging but is recommended for other applications on the device. Users should ensure that the device clock matches the current time during the extended DST period.

The effects of the "device time" being incorrect are:

Display of clock/time on Home screen
Current meeting cursor / grayed-out hours in current day will be off by one hour
Reminders off by one hour

Additional Information:
Microsoft Exchange: Australia Eastern & Central 2008 Daylight Saving Changes
IBM Lotus Domino: Knowledge Collection: Daylight Saving Time (DST) in Notes/Domino" (# 7003045)
Good support site: Daylight Saving Time (DST) - Frequently Asked Questions