Re: Daylight Saving Time changes file times.

Tech-Archive recommends: Speed Up your PC by fixing your registry

From: GwD (GDavis_at_nospam.hme.com)
Date: 04/05/04 

Date: Mon, 5 Apr 2004 15:18:44 -0700

Maybe you should try a different method to check for updates.

"Fred Hebert" <fhebert@delete-this-part-priority.net> wrote in message
news:1888001c41b56$200c2220$a501280a@phx.gbl...
> For years I have had problems with all of the file times
> on my Windows systems changing every time Daylight Saving
> Time (DST) begins or ends. I have found no way to get my
> system to display the correct time, and not change the
> file times.
>
> I am a small time developer and use an automatic mechanism
> for my customers to download updates across the web.
> Basically the files are stored on a web server along with
> a directory listing that contains file times, dates and
> checksums. The client software periodically retrieve the
> directory listing and use to compare to their local
> files. If the file changes they download it, and verify
> the download with the checksum.
>
> This weekend everyone downloaded everything and really
> swamped my server, and I am probably going to pay a
> bandwidth premium. This is a real pain because no files
> changed. All of the Windows clients just thought the file
> times changed.
>
> Apparently the file time is internally adjusted from the
> UTC time based on the current time offset, not the time
> offset that was in effect when the file was created.
>
> Incidentally NONE of my Netware, Unix or Linux clients had
> this problem.
>
> If I turn off Automatically adjust for DST, then the file
> times don't change, but the current time is always wrong.
>
> Any suggestions on how to fix this?
>

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