[LINK] RFI: Clock Synchronisation in Hosts

Jim Birch planetjim at gmail.com
Wed Nov 12 12:45:04 AEDT 2014

I hadn't noticed this.  Have you adjusted your time servers?  It seems like
the process might be stuck.

There's some info on the osx time management process here


Which includes this gem: "the configuration file is cranky when you choose
to override the Apple-default time servers"


On 12 November 2014 12:21, Roger Clarke <Roger.Clarke at xamax.com.au> wrote:

> My MacOSX 10.4.11 Date and Time tool has the 'Set date & time
> automatically' option set, pointed at Apple Asia's server at
> time.asia.apple.com.
> I find it a serious concern that it doesn't work, and only synchs when I
> open the panel.
> Having my clock run fast by c. 5 seconds per day is one thing.  But there
> are a lot of host devices around the place which would create far bigger
> problems if they got significantly out of synch with authoritative time.
> What's the impression of Link Institute members about the frequency with
> which hosts in professionally-run organisations synch with time-servers?
> A related question would be:  what tolerance would be reasonable to expect
> from date-time stamps compared with an authoritative time-server, e.g.
>  +/- 1 second?
>  +/- 5 seconds?
> --
> Roger Clarke                                 http://www.rogerclarke.com/
> Xamax Consultancy Pty Ltd      78 Sidaway St, Chapman ACT 2611 AUSTRALIA
> Tel: +61 2 6288 6916                        http://about.me/roger.clarke
> mailto:Roger.Clarke at xamax.com.au                http://www.xamax.com.au/
> Visiting Professor in the Faculty of Law            University of N.S.W.
> Visiting Professor in Computer Science    Australian National University
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