[LEAPSECS] internet drafts about zoneinfo

[Greg Hennessy]

In theory POSIX is based on UTC. In practice, since UTC has leap seconds,
and POSIX does not, POSIX is not based on UTC.


>>

>> Could you be more specific?

>

> There is no "in theory" since POSIX is a practical specification. The specification says time_t is based on UTC. POSIX time has

> never been a constant offset from TAI. What has been said many times is that it might be nice to change POSIX time to be based

> on TAI but if you try it you find that this breaks most timekeeping code.