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IEVref:113-01-11ID:
Language:enStatus: Standard
Term: timescale
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Definition: system of ordered marks which can be attributed to instants on the time axis, one instant being chosen as the origin

NOTE 1 A timescale may be chosen as:

  • continuous, e.g. international atomic time (TAI) (see 713-05-18),
  • continuous with discontinuities, e.g. coordinated universal time (UTC) (see 713-05-20) due to leap seconds, standard time due to summer time awinter time,
  • successive steps, e.g. usual calendars, where the time axis is split up into a succession of consecutive time intervals and the same mark is attributed to all instants of each time interval,
  • discrete, e.g. in digital techniques.

NOTE 2 For physical and technical applications, a timescale with quantitative marks is preferred, based on a chosen initial instant together with a unit of measurement.

NOTE 3 Customary timescales use various units of measurement in combination, such as second, minute, hour, or various time intervals of the calendar such as calendar day, calendar month, calendar year.


Publication date:2011-04
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Internal notes:2017-06-02: Cleanup - Remove Attached Image 113-01-11en.gif
2019-01-17: Editorial revision in accordance with the CC on C00043 to have a uniform spelling of “timescale” in all IEV entries. JGO
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