This is a simple math problem. Create am array with a start and end longitude for that timezone and run a comapre from your lay/long co- ords to see where it falls.


Sent from my iPod

On Nov 21, 2009, at 12:25 PM, Haig Davis <> wrote:

Good Morning all,

Having a look at the time zone functions in PHP you can enter a time zone city and get it's lat long. Does anybody know how you can run the function in reverse (or know of a similar function) i.e. get the time zone city from the geographic coordinates. Google maps was a thought but the functions are
only for use in google maps which rules out my use for them.

Have a great weekend.


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