Latitude and Longitude Ranges

Latitude:

• Range: -90 ... 90° (0 ... 90 with radio buttons for northern and southern hemisphere)
• Equator: 0°
• South pole: -90° (90 and southern hemisphere selected)
• North pole: +90°

Longitude:

• Range: 0 ... 360°
• Greenwich meridian at 0°
• eastern hemispere longitudes: 0 ... 179°
• western hemisphere longitudes: 180 ... 360°, 360° identical to 0°
• To convert longitudes from the (-180... 180°) range, for western hemisphere (negative longitude) add 360°, e.g., 70 degrees west is (360°-70°) = 290°