[ntp:questions] National time standard differences

cc cjcrickmar at googlemail.com
Tue Feb 9 12:04:39 UTC 2010


On 9 Feb, 11:52, "David J Taylor" <david-tay... at blueyonder.delete-this-
bit.and-this-part.co.uk.invalid> wrote:
> "cc" <cjcrick... at googlemail.com> wrote in message
>
> news:fc3f6bee-dc69-44ec-8525-0cdac516f2a9 at g28g2000yqh.googlegroups.com...
> []
>
> > I wouldn't have thought so either and given that they all trace back
> > to GPS it isn't likely either but it made me consider the natioanal
> > security / financial implications of setting your national clock 10ms
> > ahead of where everyone else thinks it is.
>
> > Chris.
>
> I suspect they all trace back to their own atomic clocks, which gives a
> good frequency reference, and then they adjust the phase to all be in
> sync.  These days I would guess that GPS is used for the phase (time)
> sync.  There are others on this list who know far more about this than I
> do, though.
>
> So if your loan is 10ms overdue, how much extra interest might you get?
> <G>
>
> Cheers,
> David

I was thinking more along the lines of a stock market open times /
trade times.

Chris.




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