On 21/03/2014 20:21, John Hasler wrote:
Other way around. TAI does *not* include leap-seconds. It is a
continuous stream of numbered seconds with no gaps and no insertions.
UTC *does* include leap seconds. It is TAI adjusted to stay within one
second of Earth rotation time. Leap seconds account for all of the
difference between UTC and TAI.
That's what I would have expected, and that's why I posted what I did
post. But it isn't what the README in Wheezy says.
The README.debian for tzdata says:
Two different versions are provided:
- The "posix" version is based on the Coordinated Universal Time (UTC).
- The "right" version is based on the International Atomic Time (TAI),
and it includes the leap seconds.
In the README, as cited,
(i) The indentation implies, and
(ii) the use, separately, of '.' and ',' in the two lines implies
that TAI includes leap seconds while UTC does not.
If you are right (I strongly suspect that you perhaps are correct)
then the README perhaps has it back to front.
John, thanks for saying this so firmly. Since I'm interested I'll dig
further to find a reference for the UTC/TAI differences; I'd like to
understand, anyway.
And, like the OP, I don't want to miss the start of radio programmes
because the time isn't correct, aligned, or understood.
regards, Ron
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