Directory Sites

  • Daylight Saving Time

    Why do we use daylight savings time and who invented it?

    www.mrdowling.com

  • 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.

    www.cl.cam.ac.uk

  • 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.

    www-spof.gsfc.nasa.gov

  • Make Your Own Star Clock

    Learn how to tell time by finding constellations in the night sky.

    www.lhs.berkeley.edu

  • Making a Sun Clock

    Before there were clocks, people used shadows to tell time. Learn how to make your own sun clock!

    www.exploratorium.edu

  • 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.

    www.lmsal.com

  • Time

    Just how do we measure time and what has Greenwich England got to do with it?

    www.mrdowling.com

  • Time Travel

    Is time travel possible? See what Carl Sagan and Einstein had to say about time travel in this NOVA special.

    www.pbs.org

  • A Walk Through Time

    An illustrated history of timekeeping from ancient times to the present.

    physics.nist.gov

  • 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.

    www.whattimeisit.com

  • World Time Converter

    Provides online times converter and brief information about GMT/UTC.

    www.gkindia.com

  • Local Times Around the World

    Find out what time it is anywhere in the world.

    www.timeanddate.com

  • NPR : 'Seize the Daylight'

    Talks about the complicated politics and curious history of daylight standard time.

    www.npr.org

  • Countdown

    Calculate the exact time in days, hours, minutes and seconds from now until your birthday or any other event.

    www.spiders.com

  • When Does Daylight Savings Time Occur

    Explanation of when and why we have daylight savings time.

    www.logan.ws

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