HourWorld interactive world clock is for timing international phone calls, finding sun and moon information, lighting, shadows, and much more. See the time and lighting conditions anywhere in the world at a glance. Use it as 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.