[DXBase] Remember to check your pc clock
Tom
[email protected]
Sun, 7 Apr 2002 17:42:52 -0700 (PDT)
Hi Courtney:
So my computer takes local time and computes UTC from that.
I thought maybe it might worked the other way. I thought perhaps the computer kept its system
clock in UTC and then did a conversion for the time zone I set in when it displayed local time at
the bottom right-hand corner of the monitor screen. Of course, either way would work.
Thanks,
Tom, N0YD "Yankee Doodle"
--- Jack <[email protected]> wrote:
> Yes, what you are missing is the fact that Windows does use daylight savings
> time in setting the correct system clock time, assuming you haven't disabled
> it for the timezone you have selected. So, if for whatever reason your
> machine did not make any necessary adjustment for daylight savings time and
> thus has an incorrect system clock time, then any software that relies on
> your system clock will also get the wrong time. UTC really has nothing to
> do with anything as it is a simple conversion performed by Windows based on
> your system clock and the timezone you have set.
>> Regards,
> Courtney
>> ----- Original Message -----
> From: "Tom" <[email protected]>
> To: "Jack" <[email protected]>; <[email protected]>
> Sent: Sunday, April 07, 2002 8:25 PM
> Subject: Re: [DXBase] Remember to check your pc clock
>>> > Hi Courtney:
> >
> > I'm still a little curious about this.
> >
> > If,as you wrote in your email, "all DXbase does is ask for the system
> time/date in UTC," and if
> > UTC does not change for daylight saving time, then it would seem that
> DXbase shouldn't care
> > whether or not your computer is displaying daylight savings time or not,
> since DXbase asks for UTC
> > which doesn't change.
> >
> > Is that right or am I missing something?
> >
> > Thanks,
> >
> > Tom, N0YD "Yankee Doodle"
> >
> >
> > --- Jack <[email protected]> wrote:
> > > DXbase makes NO time calculation whatsoever. The time it uses it based
> > > entirely on your system clock. All DXbase does is ask Windows for the
> > > system time/date in UTC. Whatever Windows tells us is what we use.
> > >
> > > Regards,
> > > Courtney
> > >
> > > ----- Original Message -----
> > > From: "Tom" <[email protected]>
> > > To: "Jack" <[email protected]>; <[email protected]>
> > > Sent: Sunday, April 07, 2002 1:58 PM
> > > Subject: Re: [DXBase] Remember to check your pc clock
> > >
> > >
> > > > Hi Courtney:
> > > >
> > > > Does DXbase calculate UTC by using local time (+ or -) the time zone
> > > offset to get UTC (GMT)?
> > > > Because UTC time doesn't change for daylight savings time.
> > > >
> > > > Tom, N0YD "Yankee Doodle"
> > > >
> > > >
> > > > --- Jack <[email protected]> wrote:
> > > > > Hi Folks,
> > > > >
> > > > > Don't forget to check your pc clock's local time to confirm that it
> has
> > > been
> > > > > adjusted for daylight savings time.
> > > > >
> > > > > Courtney
> > > > >
> > > > >
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