(formerly Encyclopedic directory)
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Clocks
Kids Almanac explains mechanical and electric clocks, and discusses some famous clocks like London's Big Ben.
http://kids.infoplease.lycos.com/ce6/sci/A0812596.html
Countdown
Calculate the exact time in days, hours, minutes and seconds from now until your birthday or any other event.
http://www.spiders.com/countdown/
Daylight Saving Time
Why do we use daylight savings time and who invented it?
http://www.mrdowling.com/601-daylight.html
International Standard Date and Time Notation
International Standard ISO 8601 specifies numeric representations of date and time. It helps to avoid confusion caused by the many different national notations.
http://www.cl.cam.ac.uk/~mgk25/iso-time.html
Latitude and Longitude
Introduction to latitude and longitude, a way of calculating exactly where you are anyplace on earth and a way to tell time.
http://www-spof.gsfc.nasa.gov/stargaze/Slatlong.htm
Local Times Around the World
Find out what time it is anywhere in the world.
http://www.hilink.com.au/times/
Make Your Own Star Clock
Learn how to tell time by finding constellations in the night sky.
http://www.lhs.berkeley.edu/StarClock/starclockprintout.html
Making a Sun Clock
Before there were clocks, people used shadows to tell time. Learn how to make your own sun clock!
http://www.exploratorium.edu/science_explorer/sunclock.html
Making a Horizontal Sundial
Learn how to make a sundial. Instructions are for beginners, intermediate, or advanced, and work for either the northern or southern hemispheres.
http://www.lmsal.com/YPOP/Classroom/Lessons/Sundials/sundials.html
Time
Learn about time and how it is measured, a little about the psychology of time, time and relativity, and a little about biorhythms.
http://kids.infoplease.lycos.com/ce6/sci/A0848767.html
Time
Just how do we measure time and what has Greenwich England got to do with it?
http://www.mrdowling.com/601-time.html
Time Travel
Is time travel possible? See what Carl Sagan and Einstein had to say about time travel in this NOVA special.
http://www.pbs.org/wgbh/nova/time/
A Walk Through Time
An illustrated history of timekeeping from ancient times to the present.
http://physics.nist.gov/GenInt/Time/time.html
What Time is it!
Gives the current time, synchronized by NIST. Close to 100 different time zones supported, as well as the ability to select the default time zone.
http://www.whattimeisit.com/
World Time Converter
Provides online times converter and brief information about GMT/UTC.
http://www.gkindia.com/bitsol_time/
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