From: Scott Robert Ladd <coyote@coyotegulch.com>
To: John Bradford <john@grabjohn.com>
Cc: Bill Davidsen <davidsen@tmr.com>,
Hanna Linder <hannal@us.ibm.com>, jw schultz <jw@pegasys.ws>,
lse-tech@lists.sourceforge.net,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: LSE conference call
Date: Fri, 02 May 2003 11:33:22 -0400 [thread overview]
Message-ID: <3EB28FC2.6070305@coyotegulch.com> (raw)
In-Reply-To: <200304251826.h3PIQMNg001890@81-2-122-30.bradfords.org.uk>
John Bradford wrote:
> Ah, but assuming that you had a compass to calculate the local time
> offset, (ignoring DST), anyway, you could have used that to calculate
> the _local_ time without looking at your watch at all ;-). However,
> you wouldn't be able to calculate the timezone you were in.
Ah, but if you had a GPS system available, and a database of time zone
boundaries, you could adjust on-the-fly for different jurisdictions.
I've dones somethign of the sort recently for a client; the main problem
lies in the accuracy (and size) of the database. Indiana, for example,
presents unique challenges, with its patchwork implementation of DST...
--
Scott Robert Ladd
Coyote Gulch Productions (http://www.coyotegulch.com)
next prev parent reply other threads:[~2003-05-02 15:21 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-04-18 17:44 LSE conference call John Bradford
2003-04-18 19:58 ` Cliff White
2003-04-18 22:08 ` William Lee Irwin III
2003-04-19 10:03 ` John Bradford
2003-04-22 17:43 ` Hanna Linder
2003-04-22 17:49 ` John Bradford
2003-04-23 1:13 ` jw schultz
2003-04-25 17:55 ` Bill Davidsen
2003-04-25 18:26 ` John Bradford
2003-05-02 15:33 ` Scott Robert Ladd [this message]
2003-05-03 14:17 ` Eric W. Biederman
2003-05-03 22:11 ` H. Peter Anvin
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