What is the metric measurement of time called? And what are the divisions?

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What is the metric measurement of time called? And what are the divisions?

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The base unit for time in the metric system is simply the second (s), hours and minutes are not SI (Système International d’Unités). As with any other metric unit it can take on any of the SI prefixes. You’ll often hear of milliseconds (ms) in sports timing. Other units such as centisecond (cs) or kilosecond (ks) are permitted under the current system, but they are uncommon. Interestingly, because hour is not an SI unit kilometres per hour (km/h) is not the SI unit of speed. The SI unit of speed is metres per second (m/s), which is equal to 3.6 km/h.

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