Sunclock is a sophisticated clock for the X Window system. It is based on an earlier version by John Mackin, itself derived from the Suntools program by John Walker.
Sunclock displays a map of the Earth and shows which portion is illuminated by the sun. It can commute between two states, the "clock window" and the "map window". The clock window displays a small map of the Earth and therefore occupies little space on the screen, while the "map window" displays a large map and offers more advanced functions: local time of cities, Sun and Moon position, etc.
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Sunclock versions 3.xx are released under the GPL.
demailly@fourier.ujf-grenoble.fr
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X11 version by John Mackin, john@cs.su.oz.AU, based on a Suntools program by John Walker, kelvin@acad.uu.NET.
This program is a clock that shows which portion of the Earth's surface is illuminated by the Sun. It is designed to be usually iconic, but can be opened for a larger display with the time updated every second and both the local timezone and UTC displayed. The Suntools version had a menu that allowed you to speed up time, show different dates, etc., but I have never implemented any of that in the X version; there is some support for it in the code, however. …