Mark the geographical location.

By combining the latitude and longitude with the location shown on your punch-in, we will know whether you made any fraud when you punch-in.

People use the equator and the North and South Poles as control points to determine the longitude and latitude (geographical coordinates) of various places. Meridians are circumferential lines that connect the two poles and are perpendicular to the equator, and latitudes are circumferential lines that are parallel to the equator. .