The HourWorld interactive world clock is a Macintosh product for timing international phone calls, finding sun and moon information, lighting, shadows, and much more. Attractive and functional, PSE products provide a wealth of information in well-integrated, interactive graphical presentations. See the time and lighting conditions anywhere in the world at a glance. A planner for photography "shoots".

Look up almanac information about past, present, or future. Explore a variety of locations and dates with simple mouse clicks, and use your printer to create almanac pages for any month and location. There is even a sundial feature to investigate solar lighting at any worldwide location.