Daylight Savings Update for Windows Mobile 2003

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bazzer

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Topic # 17370 23-Nov-2007 12:47

I looking for a patch to update a Harrier. I found a patch from MS for 2K3, WM5 and WM6 but that only updates US timezones. Then I found a MS patch for NZ timezones but that's only for WM5 and WM6! What gives?

I'm sure this topic has been done to death, I read freitasm's blog posts but couldn't find any resolution? There's a guy here who made an "unofficial" update for Western Australia that is confirmed as working for WM2K3. Couldn't something similar be done for NZ DST? I don't have any experience with Windows Mobile so not sure where one would start. Does an update already exist?

As a sidenote, according to my tests on a Harrier and what I've read, old DST was second Sunday Oct to third Sunday March (i.e. 07/10/07 to 16/03/08) but the new dates are last Sunday in September to first Sunday in April (30/09/07 to 06/04/08) an increase of 3 weeks from 24 to 27. The problem I have with that is that this year the third Sunday in March is three weeks before the first Sunday in April meaning a total of 4 weeks difference (turns out 07/10 to 16/03 is only 23 weeks). I wonder if that is intended or if WM2K3 is way wrong? If DST hadn't changed would it have ended on 16/03 or 23/03? Obviously it doesn't really matter, but seems no one really noticed the inconsistent definitions...

bazzer

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Reply # 96559 23-Nov-2007 13:35

Also, looks like that WA update adds registry values to HKLM\SOFTWARE\Microsoft\Timezones\225 but the Harrier doesn't even have a Timezones key? The official MS 2K3 update also seems to update these types of values. I guess if they're not there it just creates them, but what Timzone code is it for NZ?

Comparing the WM5 (with WA and NZ) update to the 2K3 (no WA or NZ) update, looks like it includes two extra reg mods HKLM\SOFTWARE\Microsoft\Timezones\225 (definitely WA going by the unofficial WA update) and HKLM\SOFTWARE\Microsoft\Timezones\290 (presumably NZ). Seems like we could replicate the WA update and just use the NZ (290) data from the MS update. Has this been done by anyone?

Mind you, the official MS updates also include some extra files (settimezoneinfo.exe, SetTimeZoneInfo.lnk, clockdll.dll) that the WA update doesn't have. Maybe these are due to the new timezone added (GMT-8 Tijuana, Baja California) but that doesn't explain why clockdll.dll is in the WM5 (with WA and NZ) update but not the 2K3 update (no WA or NZ).

I suppose I'm going over old ground, but I really couldn't find a definitive solution. Do I need to install embedded Visual C++ 4 and the Windows Mobile 2003 SDK and try it myself or has someone done it? I wanted to email Darius Wey and find out what he did but I couddln't find his contact details anywhere.

freitasm

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Reply # 96611 23-Nov-2007 18:31

Darius is one of the editors at www.pocketpcthoughts.com... He's based in Perth.

The old DST tables on Windows Mobile 2003 were wrong anyway - we always had a one week difference when the DST started before the changes.

I am not sure why there was no release for at least Windows Mobile 2003 Second Edition, but there was an unofficial patch for the New Zealand timezone - check the NZ Timezone blog on MSDN and there's a link there somewhere. The author is a Microsoftie from Christchurch and he lurks around here.

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Reply # 96615 23-Nov-2007 18:58

We used a custom script to do the update - I think it only works for imates though...

chiefie

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Reply # 96625 23-Nov-2007 20:17

Try this unsupported patch. It works on WM2003 device we have here.

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bazzer

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Reply # 96915 26-Nov-2007 09:29

Seems to have worked a treat! Just what I was after, but couldn't find it on my own. Cheers!

chiefie

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Reply # 96917 26-Nov-2007 09:35

Glad to hear this works for you too. I am not sure how useful this may be in the future, but worth while to keep a copy of the CAB in your e-toolbox if you do need to hard-reset the WM2003 device...

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