An overview of the ISO 8601 notation for dates.
Today in history every day - often with pictures and sound.
Summarizes the history of various calendars developed and used over the centuries.
Displayed in a variety of useful formats. Site is a front-end to U.S. government atomic clocks.
Frequently Asked Questions about time (from sci.astro news group)
A directory of sites providing descriptions of civil timekeeping concepts, source code, databases, and maps.
Evolution of timekeeping through the centuries.
Information on all things relating to calendars, dates, holidays, and time. 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 categorized collection of calendar related sites.
Weights, measures and standard time.
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