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Links
What is Time? Clocks,
calendars, science, histories, religion, and other beliefs provide each
of us with our own ideas about time. The marking and telling of time may
seem a fundamental constant in our daily lives. But just how constant
is our notion of time? Join us as we explore this question from many perspectives
through history and across cultures.
Official
US Time
Set your watch according to the official
US Time from the National Institute for Standards and Technology. Accurate
in all of the states and US territories. Follow the links for more information
on timekeeping throughout history.
Hindu
Cycles of Time at About.com
Western thought about time and history tends towards the
linear, providing us with a unique past, present and future. The Hindu
conception of the time and the universe, though, is cyclical as one can
learn from this site.
The
Lemelson Center Presents: The Quartz Watch
The advent of the quartz watch marked a significant advance
in the quest to increase the accuracy and availability of timepieces.
The
Mayan Calendar at the "Rabbit in the Moon" Website
The
Maya created one of the most complex calendrical systems that the world
has ever seen. The movements of the sun, moon, planets and stars were
plotted out as part of a prophetic understanding of the nature of time
and the place of people and deities in time.
Clockworks
from Sundials to the Atomic Second, at Britannica.com
The means of telling time have changed dramatically throughout history,
from the sundial of 1500 BC to the Cesium Atomic Clock of the 20th Century.
Daylight
Saving Time
Why "Spring Forward" and "Fall Back"?
Calendars
through the Ages
The Gregorian Calendar facilitates transportation and commerce
in our global economy - but it is only one of many calendars that have
been developed through the ages and around the world.
It's
about Time, from the
"Why Files"
This site is really all about time - from calendars
to the theory of relativity. It provides a basic introduction to the way
that time is understood and organized from a scientific perspective.
Cesium
Atomic Clocks
The Cesium Atomic clock is the pacemaker for watches
around the world, providing the standard second. Find out how it works.
Prehispanic
Calendars
The Maya calendar was not the only means of charting
time in Prehispanic America. Though many of these American calendars have
much in common with that of the Maya, each represents a unique perspective
on time.
A
Brief History of Clocks from Thales to Ptolemy
Chronometers of one sort or another have helped to
reflect and shape our understanding of time for thousands of years.
The North American
Sundial Society
One of the earliest chronometers, the sundial has never
gone out of style.
A
Walk through Time
A storehouse of knowledge about time and the telling
of it, from the National Institute for Standards and Technology.
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