[LEAPSECS] the big artillery

Ian Batten igb at batten.eu.org
Fri Nov 7 12:22:33 EST 2014

> On 6 Nov 2014, at 14:37, Poul-Henning Kamp <phk at phk.freebsd.dk> wrote:
> --------
> In message <CAHZk5WfKSLMy77HK1Vsvk9PQ5v=TPb0rZURi8j4KmcEzooaCZQ at mail.gmail.com>
> , Sanjeev Gupta writes:
>> Note that "seconds" are also a unit of angles, so UT1 seconds being a
>> measure of angle is not strange.
> ...and I'm sure any surveyor or ships navigator would be extremely suprised
> if somebody told him that the degree between 23°59' and 24°00' had
> sixtyone seconds once every other year or so.

But isn't the whole point of UT1 seconds that there _isn't_ an extra second?
UT1 time, modified by the equation of time and various other corrections, gives
earth position against some reference framework, which can be reduced to an angle?


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