Chronometry
Encyclopedia
Chronometry is the science of the measurement of time
, or timekeeping.
It should not to be confused with chronology
, the science of locating events in time, which often relies upon it.
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....
, or timekeeping.
It should not to be confused with chronology
Chronology
Chronology is the science of arranging events in their order of occurrence in time, such as the use of a timeline or sequence of events. It is also "the determination of the actual temporal sequence of past events".Chronology is part of periodization...
, the science of locating events in time, which often relies upon it.
See also
- ChronometerChronometerChronometer may refer to:* Chronometer watch, a watch tested and certified to meet certain precision standards* Hydrochronometer, a water clock* Marine chronometer, a timekeeper used for celestial navigation...
- Cognitive chronometryCognitive chronometryCognitive chronometry refers to the systematic measurement of response time as a means of illuminating either mental operations or mental associations. Two measuring instruments relying on cognitive chronometry are the Implicit Association Test, or IAT, and the Timed Antagonistic Response...
- History of timekeeping devicesHistory of timekeeping devicesFor thousands of years, devices have been used to measure and keep track of time. The current sexagesimal system of time measurement dates to approximately 2000 BC, in Sumer. The Ancient Egyptians divided the day into two 12-hour periods, and used large obelisks to track the movement of the Sun...
- Mental chronometryMental chronometryMental chronometry is the use of response time in perceptual-motor tasks to infer the content, duration, and temporal sequencing of cognitive operations....
- Timeline of time measurement technologyTimeline of time measurement technologyTimeline of time measurement technology* 270 BC - Ctesibius builds a popular water clock, called a clepsydra* 46 BC - Julius Caesar and Sosigenes develop a solar calendar with leap years...