That is of course ~6.5 thousand years or ~65 centuries. --- The fact that there's a Highway to Hell but only a Stairway to Heaven says a lot about anticipated traffic volume.
>-----Original Message----- >From: sqlite-users [mailto:sqlite-users- >boun...@mailinglists.sqlite.org] On Behalf Of Keith Medcalf >Sent: Wednesday, 27 September, 2017 19:52 >To: SQLite mailing list >Subject: Re: [sqlite] strftime and julianday > >>I would have expected 0:00, not 12:00. Does this tie into julianday >>being a 12 hour offset? > >Six centuries or so ago it was "kind of difficult" to measure when >the sun was "directly underfoot" at the prime meridian (0 deg, or >Greenwich England, more or less) when your observation point was >located on the prime meridian. It was pretty easy however to be able >to tell when "noon" is (when the sun is at its maximum altitude) by >an observer at the prime meridian. So the juliandate is measures a >day from noon to noon. The modified Julian Day uses a "day" going >from midnight to midnight at the prime meridian (by that time >arithmetic had been invented so it was possible to calculate >"midnight" even though you cannot see through the earth). > >:) > > > > > >_______________________________________________ >sqlite-users mailing list >sqlite-users@mailinglists.sqlite.org >http://mailinglists.sqlite.org/cgi-bin/mailman/listinfo/sqlite-users _______________________________________________ sqlite-users mailing list sqlite-users@mailinglists.sqlite.org http://mailinglists.sqlite.org/cgi-bin/mailman/listinfo/sqlite-users
