time

an instance or single occasion for some event

"this time he succeeded"

"he called four times"

"he could do ten at a clip" a period of time considered as a resource under your control and sufficient to accomplish something

"take time to smell the roses"

"I didn't have time to finish"

"it took more than half my time" an indefinite period (usually marked by specific attributes or activities)

"he waited a long time"

"the time of year for planting"

"he was a great actor in his time" a suitable moment

"it is time to go" the continuum of experience in which events pass from the future through the present to the past a person's experience on a particular occasion

"he had a time holding back the tears"

"they had a good time together" a reading of a point in time as given by a clock

"do you know what time it is?"

"the time is 10 o'clock" the fourth coordinate that is required (along with three spatial dimensions) to specify a physical event rhythm as given by division into parts of equal duration the period of time a prisoner is imprisoned

"he served a prison term of 15 months"

"his sentence was 5 to 10 years"

"he is doing time in the county jail" measure the time or duration of an event or action or the person who performs an action in a certain period of time

"he clocked the runners" assign a time for an activity or event

"The candidate carefully timed his appearance at the disaster scene" set the speed, duration, or execution of

"we time the process to manufacture our cars very precisely" regulate or set the time of

"time the clock" adjust so that a force is applied and an action occurs at the desired time

"The good player times his swing so as to hit the ball squarely"

otheruses , 1945, Japanese time. This watch was stopped when the nuclear bomb nicknamed the "Little Boy" was detonated over Hiroshima, Japan, near the end of World War II.]]Attempting to understand time has long been a prime occupation for philosophyphilosophers, sciencescientists and artartists. There are widely divergent views about its meaning, hence it is difficult to provide an uncontroversial and clear definition of time except its physical definition, which dictionaries give as "a non-spatial linear continuum wherein events occur in an apparently irreversible order." This article looks at some of the main philosophical and scientific issues relating to time. The measurement of time has also occupied scientists and technologists, and was a prime motivation in astronomy. Time is also a matter of significant social importance, having economic value ("time is money") as well as personal value due to an awareness of the limited time in each day and in our lives. Units of time have been agreed upon to quantityquantify the duration of events and the intervals between them. Regularly recurring events and objects with apparently periodicityperiodic motion have long served as standards for units of time - such as the apparent motion of the sun across the sky, the phases of the moon, the swing of a pendulum.

Philosophy of time - ''Main article: Philosophy of space and time; Ontology'' In ancient thought, Zeno's paradoxes challenged the conception of infinite divisibility, and eventually led to the development of calculus. Parmenides (of whom Zeno of EleaZeno was a follower) believed that time, motion, and change were illusions, basing this on a rather interesting argument. More recently, Ellis McTaggartMcTaggart held a similar belief.Isaac NewtonNewton believed time and space form a container for events, which is as real as the objects it contains. In contrast, Gottfried LeibnizLeibniz believed that time and space are a conceptual apparatus describing the interrelations between events. Leibniz and others thought of time as a fundamental part of an Abstract structureabstract conceptual framework, together with space and number, within which we sequence events, quantityquantify their duration, and compare the motions of objects. In this view, ''time'' does not refer to any kind of entity that "flows", that objects "move through", or that is a "container" for events.The bucket argument proved problematic for Leibniz, and his account fell into disfavour, at least amongst scientists, until the development of Mach's principle. Modern physics views the curvature of spacetime around an object as much a feature of that object as are its mass and volume. Immanuel Kant, in the ''Critique of Pure Reason'', described time as an ''a priori'' notion that allows us (together with other ''a priori'' notions such as space) to comprehend sense experience. With Kant, neither space nor time are conceived as substances, but rather both are elements of a systematic framework necessarily structuring the experiences of any rational agent. Spatial measurements are used to quantityquantify how far apart objects are, and temporal measurements are used to quantify how far apart events occur.Friedrich NietzscheNietzsche, inspired by the concept of eternal return in his book Thus Spoke Zarathustra, argued that time possesses a circular characteristic. Postulating an infinite past, "all things" must have come to pass therein; the same for an infinite future.In Existentialism, time is considered fundamental to the question of being, in particular by the philosopher Martin Heidegger.

Time in physics - , a cube in 3 dimensions extended to a fourth, as a description of time; adhering to defined finite bounds, all possibilities for this configuration are conceptually representable.]]''Main article: Time in physics''Time is currently one of few fundamental quantities (quantities which cannot be defined via other quantities because there is nothing more fundamental known at present). Thus, similar to definition of other fundamental quantities (like space and mass) time is defined via measurement. Currently standard time interval (called conventional second, or simply second) is defined as 9 192 631 770 oscillations of specified transition in Cs-133 atom.Prior to Albert Einstein's relativistic physics, time and space had been treated as distinct dimensions; Einstein linked time and space into spacetime. Einstein showed that people traveling at different speeds will measure different times for events and different distances between objects, though these differences are minute unless one is traveling at a speed close to that of light. Many subatomic particles exist for only a fixed fraction of a second in a lab relatively at rest, but some that travel close to the speed of light can be measured to travel further and survive longer than expected. According to the Special relativityspecial theory of relativity, in the high-speed particle's Inertial reference frameframe of reference, it exists for the same amount of time as usual, and the distance it travels in that time is what would be expected for that velocity. Relative to a frame of reference at rest, time seems to "slow down" for the particle. Relative to the high-speed particle, distances seems to shorten. Even in Newtonian terms time may be considered the fourth dimension of motion; but Einstein showed how both temporal and spatial dimensions can be altered (or "warped") by high-speed motion.Einstein (The Meaning Of Relativity - 1968): "Two events taking place at the points A and B of a system K are simultaneous if they appear at the same instant when observed from the middle point, M, of the interval AB. Time is then defined as the ensemble of the indications of similar clocks, at rest relatively to K, which register the same simultaneously."

Measurement -

Present day standards - The standard unit for time is the SI second, from which larger units are defined like the minute, hour, and day. Because they do not use the decimal system, and because of the occasional need for a leap-second, the minute, hour, and day are "non-SI" units, but ''are'' officially accepted for use ''with'' the International System. There are no fixed ratios between seconds (or days) on the one hand and months and years on the other hand -- months and years having significant variations in length. Despite its great social importance, the week is not mentioned even as a "non-SI" unit. (www1.bipm.org - See external pdf file: The International System of Units.)The measurement of time is so critical to the functioning of our modern societies that it is coordinated at an international level. The basis for scientific time is a continuous count of seconds based on atomic clocks around the world, known as International Atomic Time (TAI). This is the yardstick for other time scales including Coordinated Universal Time (UTC) which is the basis for civil time.The 60 base used for seconds, minutes and hours is all the remains of the ancient Phoenician counting base, using 60 as the equivalent of 10, or 100 in modern times. A 60 base is known as sexagesimal.

Chronology - Another form of time measurement consists of studying the past. Events in the past can be ordered in a sequence (creating a chronology), and be put into chronological groups (periodization). One of the most important systems of periodization is Geologic time, which is a system of periodizing the events that shaped the Earth and its life. Chronology, periodization, and interpretation of the past are together known as the study of history.

Psychology - Different people may judge identical lengths of time quite differently. Time can "fly"; that is, a long period of time can seem to go by very quickly. Likewise, time can seem to "drag," as in when one performs a boring task. The psychologist Jean Piaget called this form of time perception "lived time".Time appears to go fast when sleeping, or, to put it differently, time seems not to have passed while asleep. Time also appears to pass more quickly as one gets older. For example, a day for a child seems to last longer than a day for an adult. One possible reason for this is that with increasing age, each segment of time is an increasingly smaller percentage of the person's total experience.Altered states of consciousness are sometimes characterised by a different estimation of time. Some psychoactive substances--such as entheogenentheogens--may also dramatically alter a person's temporal judgement.In explaining his theory of relativity, Albert Einstein is often quoted as saying that although sitting next to a pretty girl for an hour feels like a minute, placing one's hand on a hot stove for a minute feels like an hour.

Use of time - The use of time is an important issue in understanding human behaviour, education, and travel behaviour. The question concerns how time is allocated across a number of activities (such as time spent at home, at work, shopping, etc.). Time use changes with technology, as the television or the Internet created new opportunities to use time in different ways. However, some aspects of time use are relatively stable over long periods of time, such as the amount of time spent traveling to work, which despite major changes in transport, has been observed to be about 20-30 minutes one-way for a large number of cities over a long period of time. This has led to the disputed time budget hypothesis.Arlie Russell Hochschild and Norbert Elias have written on the subject from a sociological perspective.

Time management - Time can be managed with less disputes if it is organised better. This can stop a last minute rush and even reduce time related stress if you try to work out how you are going to do everything you need to do instead of panicking about it. The rota or rosta is the method that is used in order to manage time and is something that normally needs other people to help with if it involves them for negotiation. Time also needs to be set for different reasons like with staffs shift work for example. This will lead to a reduction in confusion and worrying about time and things are more likely to get done in the best way possible.Wikiquote

See also - wiktionarypartime

Event

Duration

Change

Rate

Causality

Present (time)

Cycles and List of cycles

General units of time -

second

minute

hour

day

week

fortnight

month

quarter

year

decade

century

millennium

Special units of time -

Geologic timescale

Season

Era

Cosmological decade

Tithi

Fiscal year

Ship's bells

Half-life

Eon_%28geology%29Eon

Periodization and list of time periods

Unix epoch

Swatch Internet Time

hexadecimal time Hexadecimal Time

Shake (time)''Light-year is the distance light can travel in an Earth year and so is a unit of distance rather than time.''

Time measurement and horology -

calendar

lunar calendar

solar calendar

chronometer

Railroad chronometers

clock

water clock

hourglass

sundial

time zone

Time scaleTime scales and time standards

watch

Network Time Protocol (NTP)

Theory and study of time -

philosophy of physics

spacetime

time travel

exponential time

Planck time

orders of magnitude (time)

Eternity

Peter Lynds

''A Brief History of Time''

Periodization

Chronology

History

Time discipline

Time management

Wikibooks:English:Time

wheel of time

Timescapes

External links -

Perception of time -

plato.stanford.edu - The Experience and Perception of Time

cogprints.ecs.soton.ac.uk - Subjective Perception of Time and a Progressive Present Moment: The Neurobiological Key to Unlocking Consciousness

primitivism.com - Time and Its Discontents

ericdigests.org - Time and Learning

mixingmemory.blogspot.com - Time Perception I and mixingmemory.blogspot.com - II

Physics -

physics.nist.gov - A walk through Time

pages.britishlibrary.net - Time Travel and Multi-Dimensionality

arxiv.org - Time and classical and quantum mechanics: Indeterminacy vs. discontinuity

sankey.ws - Time as a universal consequence of quanta

Timekeeping -

tycho.usno.navy.mil - Different systems of measuring time

physics.nist.gov - non-SI units

www1.bipm.org - UTC/TAI Timeserver

tycho.usno.navy.mil - Leapsecond

intuitor.com - Hex Time

florencetime.net - Florencetime.net

news.bbc.co.uk - BBC article on shortest time ever measured

awi-net.org - American Watchmakers-Clockmakers Institute

timeanddate.com - The World Clock - Time Zones

Miscellaneous -

boost.org - Boost Date-Time Library -- Powerful C++ Library for date-time manipulation

!cyclesresearchinstitute.org - Cycles Research Institute

timeticker.com - TimeTicker and the time tickers...

welt-zeit-uhr.de - World Time and Zones

The first wishing well on planet...
Wishing well (well of wishing) is a term to describe special place where any wish would be sent and placed. It came from the idea that water contained deities or had been placed there as a gift from the gods, since water was a source of life and oftentimes a scarce commodity. Water was seen to have healing powers and therefore wells became popular with many people drinking, bathing or just simply wishing over it. We all believe that our guardian or dweller of this First Wishing Well only would receive and accept every wish on Earth. After uttering the wish, one would generally drop coins in the well. Coins would be placed there as gifts for the deity in thanks.
http://www.firstwishingwell.net

Darrell DWaRf Millar's Time Capsule
A look at the long career of this rock drummer/singer from Toronto Canada.
http://www.darrellmillar.com/

Time Dweller Productions
“Mould it, bend it, shape it, but do not distort it……… Time is constant”……… We are an independent production company who are stretching the boundaries with innovative ideas and concepts. The Television series that we are making gives a new connotation to the word time. Visit the website to view a promo video and download sections of the series
http://www.timedwellers.com

Continuum Time Shadows
Jeu de rôle gratuit ayant pour cadre les voyages dans le temps et les paradoxes qu'ils peuvent engendrer. Règles, aides de jeux, pas moins de 288 feuilles de personnages prêtes à l'emploi, nombreux scenarii, tout cela librement téléchargeable. En jouant à CONTINUUM TIME SHADOWS, vous devenez des aST (agents Spatio-Temporels) pour qui le XXème siècle se perd dans la nuit des Temps. Voyageurs du temps et de l’espace, vous pouvez visiter toutes les planètes habitées de la Voie Lactée et sur des dizaines de millénaires d’Histoire, tout en incarnant l’une des 12 races disponibles...
http://www.continuum-lejeu.net/

Time and Attendance Systems
The Employee Management Suite is an integrated set of four products designed to electronically enhance your processes for managing employee time sheets, pay stubs, human resources, personnel recruitment and staffing. The products can be purchased individually or as a complete integrated employee management solution. Together, they deliver a comprehensive solution to automate your human resource processes.
http://www.ghg.com

Azuza StreetRiders
The Apostolic Motorcycle Ministry of Jesus Christ
http://www.azuzastreetriders.com/

I'LL DO IT! Personal Concierge Services
The Best Solutions for Your Busy Lifestyle!! I'LL DO IT! is the perfect solution for anyone who wishes they had more hours in the day, more free time to spend with family and friends or time to take care of yourself. We offer such services as; personal shopping, errands, personal assisting, business services, arrange travel, wait for repairman and handle all of your home moving arrangements and much more!
http://www.illdoit.biz/

Horlogerie-Suisse
Nouvautés des montres de luxe, leçons d'horlogerie, forum et annuaire horloger
http://www.horlogerie-suisse.com/

Automated Time and Attendance
The Employee Management Suite is an integrated set of four products designed to electronically enhance your processes for managing employee time sheets , pay stubs , human resources , personnel recruitment and staffing . The products can be purchased individually or as a complete integrated employee management solution. Together, they deliver a comprehensive solution to automate your human resource processes.
http://www.etimesheet.us

Time Magazine
Comprehensive news articles from the magazine. Updated daily.
http://www.time.com/

NIST Web Clock
Shows the official US time in each time zone.
http://www.time.gov/

World Time Server
Look up current time from database containing any country or major city in the world. Displays the time, the GMT offset, a globe image, and a section map. Features a world time calculator and a freeware utility to synchronize your PC with an atomic clock.
http://www.worldtimeserver.com/

AllTheWeb
Search with a simple interface and huge database. Also offers news, picture, video, MP3 and FTP search. Uses the Open Directory category structure to create the 'Fast Topics' option in search results.
http://www.alltheweb.com/

Time and Date
Lots of time and date related information, such as yearly and monthly calendars, counters, countdown, and the world clock which shows the current time in cities all over the world.
http://www.timeanddate.com/