A dead thread, but relevant news: http://www.telegraph.co.uk/science/8803144/Can-the-clock-really-be-ticking-for-GMT.html
-- Espi On Thu, Oct 20, 2011 at 2:29 PM, Ben Scott <mailvor...@gmail.com> wrote: > On Thu, Oct 20, 2011 at 2:23 PM, Stefan Jafs <stefan.j...@gmail.com> > wrote: > >> (They originate from different authorities, and get different > >> adjustments for extremely high precision time. It usually doesn't > >> matter for practical purposes, but as long as we're being pedantic we > >> might as well get it right.) > > > > And whats the difference? Except one ( GMT) is old and UTC is new? As > far as > > I know UTC is the successor to GMT. > > As far as I know, GMT still exists. I would expect it to be defined > by whatever authority in the UK does that sort of thing, but I don't > know. These days, in casual language, when most people say "GMT", > what they are referring to is (in technical language) really UTC, > which is defined by the BIPM -- the same folks who define the meter, > kilogram, and so on. > > As far as the difference goes, as I said, the two get different > adjustments for extremely high precision time. We're talking > sub-second scale, for the most part. Part of it might just be > administrative lag; I don't know. But GMT and UTC do not have to be > identical. > > Precise global timekeeping is surprisingly complicated. If you > really want to know, start reading here: > > http://en.wikipedia.org/wiki/International_Atomic_Time > > -- Ben > > ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ > ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~ > > --- > To manage subscriptions click here: > http://lyris.sunbelt-software.com/read/my_forums/ > or send an email to listmana...@lyris.sunbeltsoftware.com > with the body: unsubscribe ntsysadmin > ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~ --- To manage subscriptions click here: http://lyris.sunbelt-software.com/read/my_forums/ or send an email to listmana...@lyris.sunbeltsoftware.com with the body: unsubscribe ntsysadmin
