WorldClock Screen Saver WorldClock Screen Saver draws a high resolution map of the world (based on actual satellite phtographs) on your screen with the current part of the world in night shown shadowed. Cost: $12 Buy full version       Trial version       Publisher: Fulvio Castelli     Descriptions WorldClock Screen Saver: WorldClock Screen Saver draws a high resolution map of the world (based on actual satellite phtographs) on your screen with the current part of the world in night shown shadowed.