Frank King wrote:
>
> I have often pondered an even more primitive question: I am dumped on a
> desert island and I want to count the days since I arrived. What
> discipline should I follow?
>
> I could, of course, cut a notch in a stick every morning when I first
> wake up but what happens when o
Frank King wrote:
> The U.K. telephone-service speaking clock gets it right too but only by
> a fudge. You hear:
>
> At the thiiird stroke...
>
> with a bit of noise in "third"!
The recording I have heard has the usual three pips, but with two seconds
between the second and third pips
Frank King wrote:
>
> You can get out of bed whenever you wish on any day of the year
> so it is...
Well, lucky people can, but many people have externally imposed
constraints on their timetables - school times, shop opening times,
working shift times, delivery restriction times - and these are b
Michael Ossipoff wrote:
>
> In the U.S., our astronomers have proclaimed that summer begins with the
> summer solstice, and that spring begins wit the spring equinox.
> ...proclaimed with absolutely no justification. It's become our national
> definition of the seasons. I guess anything can mean a
Frank King wrote:
>
> To be sure the projection distorts sizes so Greenland appears about the
> same size as Africa but the UK is pretty small and the distortion is
> minimal. I do not understand Linda's map! As John Foad didn't quite
> say, this is decidedly an Alex Salmond projection.
Sorry t
Geoffrey Thurston wrote:
> The dial was still in place and intact in August 2011 according to Google
> Street View. For details of where to find it see:
>
> http://www.thegreenwichmeridian.org/tgm/location.php?i_latitude=52.185750
It turns out to be easier to find with the latest Street View pic
Thibaud Taudin Chabot wrote:
> for my coordinates 52.30N 4.85E sumwait gives the times using the Western
> European time. However on the continent for this longitude the Central
> European time is used.
It just uses your computer's timezone setting - it doesn't have a
geographical database of ti
Rob Seaman wrote:
>
> I'm looking for an (open source) unix/linux command line tool that
> calculates sunrise/sunset and civil/nautical/astronomical twilights for
> a particular location and date.
http://risacher.org/sunwait/
Tony.
--
f.anthony.n.finchhttp://dotat.at/
Forties, Cromarty: Eas
John Carmichael wrote:
>
> Britain's BBC has banned the use of B.C and A.D. when refering to dates!
Please don't propagate tabloid lies.
http://www.guardian.co.uk/politics/reality-check-with-polly-curtis/2011/sep/26/1
Tony.
--
f.anthony.n.finchhttp://dotat.at/
Forties, Cromarty, Forth, Tyne
Bill O'Neill wrote:
>
> Sundials however will never have time problems because they indicate the
> position of the earth and sun. As such they do not measure time. A clock
> draws a conclusion but a clock attempts to follow what is displayed by the
> sundial. The sundial follows the earth and sun.
Wolfgang R. Dick wrote:
> Some time ago, there was a dicussion here on the future of UTC and
> theleap second. Therefore I think that this announcement could
> be of interest to some members.
See also this preprint from American Scientist. Note that the people
involved in both the article and th
On 13 Mar 2011, at 13:44, "J. Tallman" wrote:
>
> I just saw on the news that the recent quake in Japan shifted the earth's
> axis by 4 inches and that the main island of Japan moved nearly 8 feet.
>
> Could someone on the list put this into perspective? As an example, I would
> imagine that t
On Thu, 10 Mar 2011, Donald Christensen wrote:
> I'm trying to find a list of cities and the standard meridian they set their
> clock to.
The thing to look for is time zone information.
http://www.twinsun.com/tz/tz-link.htm
http://efele.net/maps/tz/world/
http://nationalatlas.gov/mld/timeznp.htm
On Tue, 1 Mar 2011, Brent wrote:
>
> I suppose that with people around the world chatting on the the internet maybe
> we will see a cyber time or a virtual time common to the entire earth.
We have had Universal Time for over a century. People still prefer to use
their own local time.
There is a w
On Wed, 26 Jan 2011, Richard Mallett wrote:
>
> The IAU definition of a planet as an object orbiting the Sun that has cleared
> its neighbourhood seems to me to be seriously flawed, as it excludes :-
>
> extra-solar planets (which don't orbit the Sun)
> Earth (because there are near Earth objects)
On Tue, 25 Jan 2011, John Pickard wrote:
>
> If you need to check days of weeks for arcane dates, JoneSoft Date Calculator
> is a free program that will give you the day of the week for just about any
> date, and the number of days between two specific dates.
You only need about two lines of code
On Thu, 20 Jan 2011, Brad Lufkin wrote:
> I think having the JDN change at noon UTC avoids a lot of confusion.
> Consider this: when is Thursday midnight? Is it the instant between
> Wednesday and Thursday or the instant between Thursday and Friday? With the
> current definition, it's crystal clea
On Tue, 18 Jan 2011, Tom Laidlaw wrote:
> Sorry about that, 400 gradients in a circle by British military.
Grads originated in the French Revolutionary metrication project.
Centigrads correspond to kilometers because in both cases there are 10,000
between a pole and the equator. There is a simila
18 matches
Mail list logo
