(No wonder it's been so quickly replaced by the satellite-dependent Global Positioning System, or GPS!) But the ... sun was overhead at this latitude at 0 degrees longitude. In those three hours ...

Seafarers of the Marshall Islands built elaborate maps out of palm twigs and cowrie ... A.D. The redoubtable Ptolemy even plotted latitude and longitude lines on his atlas's 27 maps, though ...

You will see the numeric latitude and longitude for the location. Apple's Maps app does not provide a way to obtain GPS coordinates. However, a full-featured outdoor GPS hiking app for iOS or ...