And more here: http://www.hermetic.ch/cal_stud/jdn.htm
-- Richard Langley ----------------------------------------------------------------------------- | Richard B. Langley E-mail: [email protected] | | Geodetic Research Laboratory Web: http://gge.unb.ca/ | | Dept. of Geodesy and Geomatics Engineering Phone: +1 506 453-5142 | | University of New Brunswick Fax: +1 506 453-4943 | | Fredericton, N.B., Canada E3B 5A3 | | Fredericton? Where's that? See: http://www.fredericton.ca/ | ----------------------------------------------------------------------------- > On Jan 2, 2017, at 4:19 PM, Pierpaolo Bernardi <[email protected]> wrote: > > On Mon, Jan 2, 2017 at 9:10 PM, Clive D.W. Feather <[email protected]> wrote: >> Michael.Deckers. via LEAPSECS said: >>> It is the Julian day numbers used in astronomy that >>> take integral values at noon epochs -- but they have nothing to do with >>> the Julian calendar, except perhaps for the origin of the name. >> >> Not even that - I thought Julian days were named after >> some astronomer or other. > > I thought the same. But the current English Wikipedia page about > Julian days says otherwise, and actually the Julius of Julian days is > the same Julius of the calendar. > > https://en.wikipedia.org/wiki/Julian_day#History > > "Although many references say that the Julian in "Julian Period" > refers to Scaliger's father, Julius Scaliger, in the introduction to > Book V of his Opus de Emendatione Temporum ("Work on the Emendation of > Time") he states, "Iulianum vocavimus: quia ad annum Iulianum dumtaxat > accomodata est", which translates more or less as "We have called it > Julian merely because it is accommodated to the Julian year." Thus > Julian refers to Julius Caesar, who introduced the Julian calendar in > 46 BC." > _______________________________________________ > LEAPSECS mailing list > [email protected] > https://pairlist6.pair.net/mailman/listinfo/leapsecs _______________________________________________ LEAPSECS mailing list [email protected] https://pairlist6.pair.net/mailman/listinfo/leapsecs
