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  1. A Walk Through Time - the evolution of time measurement
  2. Aztec Calendar - describes the sacred Aztec calendar, and can tell you what date it is according to that calendar.
  3. Calculate Day of Week - Calculate the Day of the Week for a Given Date.
  4. Calculate Duration Between Two Dates
  5. Calendar: Customized - Make a customized calendar.
  6. Calendars by Tat - Free printable monthly calendars.
  7. Calendar: Earth - The Earth Calendar is a daybook of holidays and celebrations around the world.
  8. Calendar - Perpetual - View any month, any year, in the Gregorian calendar. Click any day for more information.
  9. Compute Sunrise, Sunset Worldwide - site calculates sunrise, sunset for anywhere in the world, on any date.
  10. Daily Almanac - Who was born and what happened on any given day.
  11. How Radio-Controlled Clocks Work - By now, you have probably seen or own a radio-controlled clock. These clocks are sold in all forms: as wall clocks, desk clocks, travel alarms, and wristwatches. They have a tremendous advantage over conventional clocks, they are always right! When working properly, radio-controlled clocks always display the correct time, down to the exact second. And you never have to adjust them. This site explains how these clocks work.
  12. Moon Info
  13. NIST Time and Frequency Division Hompage - develops and operates standards of time and frequency
  14. Number of Days Between Dates - Calculate the number of days between two dates.
  15. Official U.S. Time - National Institute of Standards and Technology.
  16. The Third Millennium - The end of the second millennium and the beginning of the third will be reached on January 1, 2001. This date is based on the now globally recognized Gregorian calendar, the initial epoch of which was established by the sixth-century scholar Dionysius Exiguus, who was compiling a table of dates of Easter. Rather than starting with the year zero, years in this calendar begin with the date January 1, 1 Anno Domini (AD). Consequently, the Third Millennium does not begin until January 1, 2001 AD.
  17. Time and Date.com
  18. TimeTicker - shows the exact time for every place on earth; shockwave plugin must be installed.
  19. U.S Naval Observatory: Sun and Moon Data for One Day - obtain the times of sunrise, sunset, moonrise, moonset, transits of the Sun and Moon, and the beginning and end of civil twilight, along with information on the Moon's phase.
  20. WWW Tide and Current Predictor
  21. World Clock, The - Automatically updated every minute
  22. World Time Zone - local time in every country in the world; each local time is fully adjusted for their own specific daylight savings time


Updated: May 15, 2015
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