On (2012-07-03 12:46 -0700), Owen DeLong wrote:

> If you don't know that time is not monotonically increasing, then that only 
> becomes a software bug when you codify your own ignorance into software you 
> write.

If only all software could be ordered from you Owen, but in practice this
is not possible. Some code will be written less intelligent people. And
reviewing any code doing foo = timestamp+offset and if now > foo, virtually
never expects time to move backwards.

UTC doesn't move backwards (it goes 59 -> 60 -> 00). TAI does not move
backwards. Unixtime moves backwards, like spanish inquisition no one
expects that.

> It is well known that leap seconds exist.

Quite. But it is not well known that unixtime travels backwards.

-- 
  ++ytti

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