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Timekeeper

Timekeeper

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Encyclopedia
A timekeeper is an instrument or person that measures the passage of time
Time
Time is a part of the measuring system used to sequence events, to compare the durations of events and the intervals between them, and to quantify rates of change such as the motions of objects....

; in the case of the latter, often with the assistance of a clock
Clock
A clock is an instrument used to indicate, keep, and co-ordinate time. The word clock is derived ultimately from the Celtic words clagan and clocca meaning "bell". A silent instrument missing such a mechanism has traditionally been known as a timepiece...

 or stopwatch
Stopwatch
A stopwatch is a handheld timepiece designed to measure the amount of time elapsed from a particular time when activated to when the piece is deactivated. A large digital version of a stopwatch designed for viewing at a distance, as in a sports stadium, is called a stopclock.The timing functions...

. In addition, the timekeeper records time, time taken, or time remaining during events such as sport
Sport
A Sport is all forms of physical activity which, through casual or organised participation, aim to use, maintain or improve physical fitness and provide entertainment to participants. Sport may be competitive, where a winner or winners can be identified by objective means, and may require a degree...

s matches.

See also

  • Allan variance
    Allan variance
    The Allan variance , also known as two-sample variance, is a measure of frequency stability in clocks, oscillators and amplifiers. It is named after David W. Allan. It is expressed mathematically as\sigma_y^2. \,...

  • Atomic clock
    Atomic clock
    An atomic clock is a clock that uses an electronic transition frequency in the microwave, optical, or ultraviolet region of the electromagnetic spectrum of atoms as a frequency standard for its timekeeping element...

  • Fully Automatic Time
    Fully Automatic Time
    Fully automatic time is a form of race timing in which the clock is automatically activated by the starting device, and the finish time is either automatically recorded, or timed by analysis of a photo finish. The system is commonly used in track and field as well as horse racing, dog racing,...

  • Horology
    Horology
    Horology is the art or science of measuring time. Clocks, watches, clockwork, sundials, clepsydras, timers, time recorders and marine chronometers are all examples of instruments used to measure time.People interested in horology are called horologists...

  • Meeting Roles
  • Referee
    Referee
    A referee is the person of authority, in a variety of sports, who is responsible for presiding over the game from a neutral point of view and making on the fly decisions that enforce the rules of the sport...

  • Sense of time
  • Stopwatch
    Stopwatch
    A stopwatch is a handheld timepiece designed to measure the amount of time elapsed from a particular time when activated to when the piece is deactivated. A large digital version of a stopwatch designed for viewing at a distance, as in a sports stadium, is called a stopclock.The timing functions...

  • Time clock
    Time clock
    A time clock, sometimes known as a clock card machine or punch clock or time recorder, is a mechanical timepiece used to assist in tracking the hours an employee of a company worked. In regards to mechanical time clocks this was accomplished by inserting a heavy paper card, called a timesheet,...

  • Timesheet
    Timesheet
    A timesheet is a method for recording the amount of a worker's time spent on each job.-Use:Originally developed for an employer to determine payroll, timesheets are not just for payroll any more. Timesheets may record the start and end time of tasks, or just the duration. It may contain a...

  • Time tracking software
    Time tracking software
    Time tracking software is a category of computer software that allows its users to record time spent on tasks. This software is typically used by professionals who bill their customers by the hour, including lawyers and accountants. It represents an electronic version of the traditional paper...

  • Time Machine
    Time Machine
    A time machine is a fictional/hypothetical device used to achieve time travel. The term may also refer to:-Novels and films:* The Time Machine, an 1895 novel by H. G...



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