[coyotos-dev] coyotos.sleep, sleepTill, the epoch

[François]

On Le Thursday 08 February 2007, à 00:06:37, Valerio Bellizzomi wrote:
> On 07/02/2007, at 17.37, Jonathan S. Shapiro wrote:
> >> > We are NOT using TAI (which is busted).

> If I want to conform to another time scale, where in the code I need to
> make changes ?

> >> "As of 2004, the possibility of ending the use of leap seconds in civil
> >> time is being considered. A likely means to execute this change is to
> >> define a new time scale, called "International Time", that initially
> >> matches UTC but thereafter has no leap seconds, thus remaining at a
> >> constant offset from TAI. If this happens, it is likely that Unix time
> >> will be prospectively defined in terms of this new time scale, instead
> of
> >> UTC. Uncertainty about whether this will occur makes prospective Unix
> >time
> >> no less predictable than it already is: if UTC were simply to have no
> >> further leap seconds the result would be the same."
> >
> >For better or worse, UTC is universally used, and we need to adopt it.
> 
> Of course I understand and agree. In the future it will probably change to
> be like TAI, without leap seconds, I consider this to be an open question
> as the topic is being broadly discussed.

One point in favour of TAI at the system level is that it is easy to
compute UTC time from TAI. It is much more difficult to go the other
way. TAI is the more stable and the more computable time scale we have
now, and most (all ?) other widely used civil time are based on TAI.

François