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A timekeeper is a person that measures the passage of time. They may have additional functions in sports and business.

Description

A timekeeper is a person who measures time with the assistance of a clock or a stopwatch.

Functions

Sports

In addition, a timekeeper records time, time taken, or time remaining during events such as sports matches. Along with the game clock, a timekeeper may be needed to manage clocks other gameplay clocks, including play clocks, pitch clocks, and shot clocks.

Business

In business, a timekeeper tracks employee time, potentially using a time clock. Collecting such data gives employers insight into a workforce so that a business can then make operational decisions to increase productivity and reduce labor costs.

See also

• Atomic clock
• Chess clock
• History of timekeeping devices
• Fully automatic time
• Horology
• Referee
• Sense of time
• Stopwatch
• Time clock
• Timegrapher
• Timesheet
• Time tracking software

External links

• Media related to Timekeepers at Wikimedia Commons
• A Walk Through Time at the National Institute of Standards and Technology
• "Treatise for Observers on Constructing the Circle of Projection" is a manuscript, in Arabic, from 1473, about timekeeping.

v t e Time measurement and standards
Chronometry Orders of magnitude Metrology
International standards	Coordinated Universal Time offset UT ΔT DUT1 International Earth Rotation and Reference Systems Service ISO 31-1 ISO 8601 International Atomic Time 12-hour clock 24-hour clock Barycentric Coordinate Time Barycentric Dynamical Time Civil time Daylight saving time Geocentric Coordinate Time International Date Line IERS Reference Meridian Leap second Solar time Terrestrial Time Time zone 180th meridian
Obsolete standards	Ephemeris time Greenwich Mean Time Prime meridian
Time in physics	Absolute space and time Spacetime Chronon Continuous signal Coordinate time Cosmological decade Discrete time and continuous time Proper time Theory of relativity Time dilation Gravitational time dilation Time domain Time-translation symmetry T-symmetry
Horology	Clock Astrarium Atomic clock Complication History of timekeeping devices Hourglass Marine chronometer Marine sandglass Radio clock Watch stopwatch Water clock Sundial Dialing scales Equation of time History of sundials Sundial markup schema
Calendar	Gregorian Hebrew Hindu Holocene Islamic (lunar Hijri) Julian Solar Hijri Astronomical Dominical letter Epact Equinox Intercalation Julian day Leap year Lunar Lunisolar Solar Solstice Tropical year Weekday determination Weekday names
Archaeology and geology	Chronological dating Geologic time scale International Commission on Stratigraphy
Astronomical chronology	Galactic year Nuclear timescale Precession Sidereal time
Other units of time	Instant Flick Shake Jiffy Second Minute Moment Hour Day Week Fortnight Month Year Olympiad Lustrum Decade Century Saeculum Millennium
Related topics	Chronology Duration music Mental chronometry Decimal time Metric time System time Time metrology Time value of money Timekeeper

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