The process of measuring time (and just about everything else has got more precise and more confusing. The weird result following the last (2019) update to the international system of measurements is almost everything from length to weight has time (seconds) as part of the definition.
Our article on Measuring Time has been updated to trace the way time is measured from around 3500 BCE through to the present time.
See the full article at: https://mosaicprojects.com.au/PMKI-ZSY-010.php#Overview
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