[LEAPSECS] Terminology question

Michael Deckers michael.deckers at yahoo.com
Wed Mar 10 11:05:28 EST 2010



On 2010-03-09 17:34, Zefram wrote:


> Tony Finch wrote:

> > Is there a generic term for timescales like POSIX time_t and NTP that

> > count seconds (or some other interval) since an epoch without taking

> > leap seconds into account?

>

> Apparently not. I'm inclined to use the phrase "faux linear time".

> These timescales are really encodings of UTC-wise broken-down time, but

> they sufficiently resembles a linear timescale that it's commonly mistaken

> for one. I think it's worth reminding people clearly of the reality.


Perhaps "piecewise linear" may also be appropriate -- it is a
common term in math. TAI - UTC (after 1972) may then be called
a "step function", which is a "piecewise constant" function.

Michael Deckers.



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