[LEAPSECS] Conversational caffeine
imp at bsdimp.com
Sat Jan 29 01:58:21 EST 2011
On 01/28/2011 18:05, Stephen Colebourne wrote:
> On 28 January 2011 23:58, Rob Seaman<seaman at noao.edu> wrote:
>> - The length-of-day on Earth has never been 86400 SI seconds long.
>> - There are two different kinds of timekeeping.
>> - It is the attempt to pretend otherwise that is causing the friction.
> This isn't primarily my discussion, but I agree with these three points 100%.
> Acceptable solutions
> - human-day (following the Sun) = 86400 human-seconds (not equal to SI-seconds)
> - human-day (following the Sun) = 86400 SI-seconds + an occasional
> fudge factor (leap seconds)
> - defining a scientific-day that is always 86400 SI seconds
> Non acceptable solutions
> - redefining the meaning of the human-day (such as simply removing leap seconds)
Why is this not an acceptable solution? A TAI day is a reasonable
approximation of the human day. There's nothing magical about leap
seconds: we got on well without them until 1972. The last statement
isn't self obvious.
My point is there are other ways to align what humans experience as a
day, have everybody be cool with it, and not have leap seconds involved
> There is certainly nothing whatsoever wrong with TAI that I can see.
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