[LEAPSECS] When did computer timekeeping get good enough for leap seconds to matter?

[Zefram]

Hal Murray wrote:

>When were there enough (Unix?) boxes on the net running NTP and keeping good 

>enough time to notice things like leap seconds?


De facto, late 1990s, I think.  What one would notice would depend rather
on one's habits; early adopters vs late adopters of NTP.


>I should go browse the old RFCs and see when the API for telling the kernel 

>about pending leap seconds was published.


RFC 1589, D. Mills, "A Kernel Model for Precision Timekeeping", 1994-03.

-zefram