[LEAPSECS] POSIX Time

[M. Warner Losh]

In message: <20091013162901.GD26416 at ucolick.org>
            Steve Allen <sla at ucolick.org> writes:

: On Tue 2009-10-13T12:21:27 -0400, ashtongj hath writ:

: > Is BST British Summer Time? If so, is there some new statute in the

: > UK adopting time offset from UTC rather than offset from the ill-defined

: > GMT? (Of course the offset is 0 in the winter.)

: 

: BeiDou System Time, the time scale used by the Compass navigation

: satellite system being flown by Peoples Republic of China.

: 

: BST was equal to UTC on 2006-01-01 and has no leap seconds.


Are all the other time scales supposed to be nominally TAI + offset +
error-in-execution-that-is-tiny, or are there some other subtle
definitions that makes them evolve in a way that's different than TAI?

Warner