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Posted by Maurice Batey on April 3, 2009, 12:16 pm


Have just been reminded that the TomTom doesn't pick up time setting
changes (e.g. to 'Summer Time', when 1 hour is added).

I had always assumed that because the device knows exactly where it
is, it must be in a position to regulate its time setting.
But it doesn't.

Are any if the other sat-navs clever enough to do that?
--
//aurice
(Replace "nomail.afraid" by "bcs" to reply by email)


Posted by Rod Speed on April 3, 2009, 2:23 pm


Maurice Batey wrote:

> Have just been reminded that the TomTom doesn't pick up time
> setting changes (e.g. to 'Summer Time', when 1 hour is added).

> I had always assumed that because the device knows exactly
> where it is, it must be in a position to regulate its time setting.

It need more than just that, it also needs to know what that
country has chosen to do about the adjustments to the local time.

> But it doesn't.

> Are any if the other sat-navs clever enough to do that?



Posted by John Williamson on April 3, 2009, 2:38 pm


Rod Speed wrote:
> Maurice Batey wrote:
>
>> Have just been reminded that the TomTom doesn't pick up time
>> setting changes (e.g. to 'Summer Time', when 1 hour is added).
>
>> I had always assumed that because the device knows exactly
>> where it is, it must be in a position to regulate its time setting.
>
> It need more than just that, it also needs to know what that
> country has chosen to do about the adjustments to the local time.
>
>> But it doesn't.
>
>> Are any if the other sat-navs clever enough to do that?
>
>

It's not a Tomtom, but the Navigon version 6 PDA based program always
gives arrival time as local time, even across timezones.

--
Tciao for Now!

John.

Posted by Anthony R. Gold on April 3, 2009, 3:54 pm


On Fri, 03 Apr 2009 19:38:01 +0100, John Williamson

> Rod Speed wrote:
>> Maurice Batey wrote:
>>> Have just been reminded that the TomTom doesn't pick up time
>>> setting changes (e.g. to 'Summer Time', when 1 hour is added).
>>> I had always assumed that because the device knows exactly
>>> where it is, it must be in a position to regulate its time setting.
>> It need more than just that, it also needs to know what that
>> country has chosen to do about the adjustments to the local time.
>>> But it doesn't.
>>> Are any if the other sat-navs clever enough to do that?

There must be easy access to an appropriate Linux time daemon that can do
exactly this, but maybe TomTom's memory is too tight to accommodate it.

> It's not a Tomtom, but the Navigon version 6 PDA based program always
> gives arrival time as local time, even across timezones.

That is a much simpler matter when the journey begins and ends in Europe
because all the countries make their seasonal changes together. Let's see
it navigate from London to New York after the USA changes to its Daylight
Savings Time but before European countries change to their Summer Times.

Tony

Posted by John Williamson on April 3, 2009, 4:34 pm


Anthony R. Gold wrote:
> On Fri, 03 Apr 2009 19:38:01 +0100, John Williamson
>
>> Rod Speed wrote:
>>> Maurice Batey wrote:
>>>> Have just been reminded that the TomTom doesn't pick up time
>>>> setting changes (e.g. to 'Summer Time', when 1 hour is added).
>>>> I had always assumed that because the device knows exactly
>>>> where it is, it must be in a position to regulate its time setting.
>>> It need more than just that, it also needs to know what that
>>> country has chosen to do about the adjustments to the local time.
>>>> But it doesn't.
>>>> Are any if the other sat-navs clever enough to do that?
>
> There must be easy access to an appropriate Linux time daemon that can do
> exactly this, but maybe TomTom's memory is too tight to accommodate it.
>
>> It's not a Tomtom, but the Navigon version 6 PDA based program always
>> gives arrival time as local time, even across timezones.
>
> That is a much simpler matter when the journey begins and ends in Europe
> because all the countries make their seasonal changes together. Let's see
> it navigate from London to New York after the USA changes to its Daylight
> Savings Time but before European countries change to their Summer Times.
>
First, build the road.

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