The Earth&Sun program shows the Sun Illuminated area of the Earth.

It also displays:

- The latitude and longitude of an Earth location.

- The time zone at that location, based on only longitude not civil boundaries.

- The current time at that location based on the above time zone.

- The sunrise and sunset times, and day length at that location.

- Distance between two locations on the earth surface.

- Earth&Sun can also be a real time clock on the Palm V or a Palm Simulator.