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Time, Clocks, Calendars, and Fun Stuff

Time Management

This resource page is devoted to our fascination with time and to understanding our historical quest to better manage time and keep track of it.

 

timeHow old are you in minutes? This online age calculator computes your age in years, or months, or days, or hours, or minutes. Find out how many days, months, or years have passed since you were born. Calculate how many days are left until your next birthday.

Your Online Age Calculator

 

timeFascinating time and date facts that you’ll never learn in a time-management seminar. For example, you probably know that a “jiffy” refers to a very short period of time, but did you know it’s formally defined in the fields of Physics and Chemistry as the time required for light to travel a centimeter. A “jiffy” is equal to about 33 picoseconds and a picosecond is one trillionth of a second, so when someone tells you they’ll be back in a jiffy, they mean they’ll be back in 33 trillionth of a second!

Time and Date Trivia

 

timeEvolution of timekeeping.

Visit the National Institute of Standards and Technology and find out about the evolution of methods used to measure time through the ages from Stonehenge to atomic clocks. NIST also offers an Internet Time Service (ITS) and an Automated Computer Time Service (ACTS) that allow setting of computer and other clocks through the Internet or over standard commercial telephone lines

Take a walk through time at the National Institute of Standards and Technology

 

timeTrace the evolution of wristwatches. How does a self-winding watch work? What’s inside them?
How does a quartz watch work?

Find out how watches evolved and how they work

 

timeExplore the changing ways we’ve measured, used, and thought about time over the past three hundred years. The On Time Exhibit at the Smithsonian’s National Museum of American History shows you how we’ve learned to live by the clock.

The On Time Exhibit at the Smithsonian’s National Museum of American History

 

timeWhen is a minute not a minute? Does the length of a minute seem shorter when you’re late for class as opposed to when you are listening to a lecture? Does time fly when you’re having fun? Learn more about time by visiting the online time exhibit of the nature of time. What is time? What does it mean to us? These are a but a few of the interesting questions asked by the British Museum’s online exhibit exploring the nature of time.

Visit the British Museum to explore time

 

timeExplore how we organize our lives according to the moon and the sun. In ancient Rome, a priest observed the sky and announced a new moon cycle to the king. For centuries afterward, Romans referred to the first day of each new month as Kalends (from their word “calare,” which means “to proclaim”). The word calendar derived from this custom.
There are many calendars in use throughout the world. Learn about the holidays and holy days in other parts of the world and how to keep track of them. Discover how the following cultures and religions use different ways to keep track of important dates: Chinese, Christian, Indian, Islamic, Jewish, Mayan, Roman, Ethiopian, Persian (Iran), Balinese, and Baha’i.

Learn about the calendars used in various cultures

 

timeTimeandDate.com has counters, countdown calculators, time zone calculators, world clocks and much more.
Lots of useful stuff.

TimeandDate.com

 

timeThe most extensive collection of horological resources on the internet. This is your gateway to all aspects of the art and science of making timepieces and measuring time. Learn how the idea of measuring seasons, dates, and time developed into time systems and calendars.

National Association of Watch and Clock Collectors