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I'm writing a program where I need the range of latitudes and longitudes that correspond to land on the earth. This can be a rough approximation, but I'm not sure how to go about obtaining this range. I mainly want to differentiate the continents from the oceans.

Thanks

Grady F. Mathews Iv
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    http://stackoverflow.com/questions/13905646/get-the-continent-given-the-latitude-and-longitude seems to give you a good start. – Michael Dorgan May 12 '15 at 23:34

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You can try The Google Time Zone API

When you enter a coordiante which is ouside land (i.e. on a ocean) then the returned time zone is ZERO_RESULTS. This response you can use.

Glorfindel
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Wernfried Domscheit
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