Well, your phone has inbuilt GPS and will automatically check for network
access and soon obtain the info to know where it is ­ the macbook has to get
that info from somewhere.

According to this  
<http://www.macosxtips.co.uk/index_files/automatically-set-time-zone-by-loca
tion.php>
> Generally your Mac won¹t have GPS, so instead this works by checking the
> visible Wi-Fi networks against a database of their locations. As a result this
> only works when your AirPort is turned on, but it isn¹t necessary for you to
> be connected to the internet through it. Of course this also works much more
> accurately in urban areas where there are lots of Wi-Fi networks around.
> 
So, did you have your macbook turned on, with Airport turned on, whilst in
range of local wi-fi networks?

HTH


Cheers


Neil
-- 
Neil R. Houghton
Albany, Western Australia
Tel: +61 8 9841 6063
Email: [email protected]


on 9/6/13 15:51, Stuart Breden at [email protected] wrote:

> An interesting question about international travel.
> 
> I went on a conference in South America recently.
> 
> As you know when you fly east from Australia you cross the international date
> line.
> 
> Presumably both the iPhone and MacBook Pro would adjust to local time if you
> set the Settings and System Preferences correctly.  I did this supposedly but
> had problems with my Mac Book Pro.
> 
> Hints or suggestions?
> 
> Stuart Breden
> PO Box 132
> Kalamunda WA 6926
> Ph: (08) 9257 1577
> Mbl: 0417 053 266
> 
> Please consider the environment before printing this email
> 
> 
> 
> 
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