The Harmonic System

<h2><span data-rte-washtml="1" data-rte-style="font-size:16px;line-height:20px;" style="font-size:16px;line-height:20px;" data-rte-attribs=" style=font-size:16px;line-height:20px;">4.1 Physical time</span></h2>
<p data-rte-fromparser="true"><img data-rte-meta="%7B%22type%22%3A%22image%22%2C%22wikitext%22%3A%22%5B%5BFile%3ANaturalTimeScale.png%7Cthumb%7CThe%20natural%20time%20scale%20ladder%20of%20%27powers%20of%20twelve%27%7C463x463px%5D%5D%22%2C%22title%22%3A%22NaturalTimeScale.png%22%2C%22params%22%3A%7B%22alt%22%3A%22NaturalTimeScale%22%2C%22thumbnail%22%3Atrue%2C%22caption%22%3A%22463x463px%22%2C%22width%22%3A463%2C%22height%22%3A463%2C%22captionParsed%22%3A%22The%20natural%20time%20scale%20ladder%20of%20%27powers%20of%20twelve%27%22%7D%7D" data-rte-instance="714608-6064192055df161f6e5ebd" alt="" src="https://vignette.wikia.nocookie.net/dozenal/images/0/08/NaturalTimeScale.png/revision/latest/scale-to-width-down/463?cb=20171125012043" width="463" height="607" class="image thumb withCaption" data-image-name="NaturalTimeScale.png" data-image-key="NaturalTimeScale.png"  type="image" />
<!-- RTE::{"spaces":0,"type":"LINE_BREAK"} -->This quantity is time which flows uniformly from a viewpoint of physics.
</p><p data-rte-fromparser="true" data-rte-empty-lines-before="1">'nic' is the physical time unit of the Harmonic System, and is on the natural time scale ladder of 'powers of twelve'.
</p><p data-rte-fromparser="true" data-rte-empty-lines-before="1">The greatest common divisor of one tropical year and one day is 2<sup data-rte-washtml="1">-7</sup> days, which is also equivalent to about 1000; nics.
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