P. Clay Sherrod Mar 11, 2009
----- Original Message -----
From: "Bill J Gray" <pluto@...>
To: <guide-user@yahoogroups.com>
Sent: Monday, May 11, 2009 10:43 AM
Subject: Re: [guide-user] Re: Daylight "Saving" Time issues?
> Hi folks,
>
> Many thanks to all who responded, both on- and off-list.
> This is definitely a common problem. I have absolutely no
> idea why. The relevant chunk of code in Guide has been
> unchanged for about two years. (However, I got one off-list
> reply mentioning finding the problem with the 2 June 2008
> version, but not the 12 Mar 2008 one. So maybe some
> "irrelevant" chunk of code is causing the problem, though
> it's hard to see how!)
>
> Just to clarify: the problem involves Guide getting the
> right time from the system clock. So those of us in, say,
> Pacific Standard (or Daylight) Time, running Guide showing
> one of those time zones plus UT, would see the correct eight
> (or seven) hour difference between them. Guide is doing the
> right conversion between time zones, and does so no matter
> what time you set. It's just not getting the right "current"
> time from the computer.
>
> The function Guide uses to get the system time, _ftime(),
> seems simple enough: it returns (among other things) the
> number of seconds elapsed since 1970 January 1 0:00 UT.
> It looks as if it doesn't actually do that when DST is in
> effect. I'm still investigating.
>
> In the meantime... best I can suggest is to hit Alt-J,
> then enter TOFFSET=-1. With any luck, I'll be posting a
> solution shortly. (After which you'll have to hit Alt-J
> again and enter TOFFSET= , so that the clock isn't offset
> by one hour anymore.)
>
> -- Bill
>
>
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