[Python-ideas] High Precision datetime

Chris Barker chris.barker at noaa.gov
Thu May 17 16:22:09 EDT 2018

now we really have gotten OT...

But thanks! that was my question!


Alexander covered the Python part of this, so I'll answer the possible
> higher-level question:  we haven't yet needed a "negative" leap
> second, and it's considered unlikely (but not impossible) that we ever
> will.  That's because the Earth's rotation is inexorably slowing ,so
> the mean solar day inexorably lengthens when measured by SI seconds.
> Other things can cause the Earth's rotation to speed up temporarily
> (like some major geological events), but they've only been able to
> overcome factors acting to slow rotation for brief periods, and never
> yet got near to overcoming them by a full second.


Christopher Barker, Ph.D.

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Chris.Barker at noaa.gov
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