On Thu, 24 Jul 2003, Rob Arends wrote:

>
> I did a little testing/research, and found that _daylight returns whether
> daylight is enabled on the system, and _timezone returns the seconds to
> add/subtract from UTC.
>
> But how do you determine WHEN to apply the daylight offset and WHAT is the
> offset?
>
> Now the _timezone may change according to the system clock, therefore XMail
> does not need to worry about how much and when.
>
> The _daylight on my system only changes if the systems daylight capability
> is enabled/disabled.  ie. If _daylight=1 (enabled), then the time WILL
> change when the right time occurs.  NOT that daylight time is actually
> adjusting the time or not.
>
> Also a correction to my earlier mail, I am 10 hours east of UTC, or 10 hours
> earlier.
> Therefore I am UTC-10.
> Also it is winter here and daylight time is not currently observed.
> my  _daylight= 1
> and _timezone=-36000

You are at UTC +10, that is -36000 for the timezone. That is fine. Your
system shows that daylight is enabled though. How the system does know ?
There's a configuration file (/etc/timezone in most Unix) that describe
timezone and daylight switch information. I don't know where the magic
happen in Windows, but your system is clearly misconfigured from that
point of view.



- Davide

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