The SI Unit of Time is

By BYJU'S Exam Prep

Updated on: September 25th, 2023

The SI Unit of Time is second. It is determined by using the fixed numerical value of the cesium frequency, vCs, the unperturbed ground-state hyperfine transition frequency of the cesium 133 atoms, to be 9192631770 when indicate in the Hz unit, which is equal to s-1. The unit second is often represented as ‘s’ or sec. The SI consists of a coherent system of units of measurement beginning with seven base units, which are the second (s), kelvin (K), kilogram (kg), ampere (A), meter (m) candela (cd), and mole (mol).

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1. The SI Unit of Time is

Unit of Time

Any specific period of time that is used to measure or represent duration on a regular basis is referred to as a unit of time. Below are given various units of time.

Units of Time
Minute	60 seconds
Hour	60 minutes, or 3,600 seconds
Day	24 hours, or 86,400 seconds
Week	7 days, or 604,800 seconds
Month	28-31 days, or 2,419,200-2,678.400 seconds
Year	365.25 days, or about 31,557,600 seconds

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