A categorized collection of calendar related sites. Find today's date on several different cultural and religious calendars. Includes section on Celestial data, countdown clocks, and information on the dates past events. A directory of sites providing descriptions of civil timekeeping concepts, source code, databases, and maps. The history of the western calendar and the clock.
Site is a front-end to U.S. government atomic clocks.
To set your watch or clock accurately using a time reference. Explains the various options for residents of North America. Help build the largest human-edited directory on the web. The content of the Google directory is based on the Open Directory and is enhanced using Google's own technology.