[X4U] Clock problem

[Thomas W Noel]

On Jul 15, 2007, at 3:53 AM, Stroller wrote:

>
> On 15 Jul 2007, at 01:00, Thomas W Noel wrote:
>> On Jul 14, 2007, at 1:22 PM, Stroller wrote:
>>>
>>>  /etc/localtime is the way to set timezone in Unix but I have no  
>>> idea whether OS X respects it.
>>
>> Sorry I got it fixed so soon!  ; > )
>>
>> I don't think Apple uses the usual Unix files. There are cities  
>> listed in the Date and Time pref panel that don't appear there.
>
> Don't appear where? /usr/share/zoneinfo/ has a number of  
> subdirectories.
> `ls -R /usr/share/zoneinfo/` for a full list of files.
>
> I believe that the zoneinfo database is the only centralised source  
> for timezone & global daylight-savings information. I'd doubt that  
> Apple (or Microsoft or anyone else) would be getting their  
> information from anywhere else.
> http://en.wikipedia.org/wiki/Zoneinfo
> http://www.twinsun.com/tz/tz-link.htm
>
> In my mind the question is whether Mac OS respects the contents of / 
> etc/localtime or whether the symlink is merely created for the  
> benefit of 3rd-part *nix programs when you set the timezone in the  
> GUI (and stored elsewhere for the benefit of MacOS itself).
>
> Stroller.

Your voice says what I think in, as usual, a more articulate style.  
The recursive listing doesn't show many of the cities revealed in the  
GUI "Date & Time " panel (ie. "San Francisco")

I wonder where that (elsewhere) might be?

Tom