Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Path: utzoo!mnetor!uunet!husc6!cmcl2!rutgers!umd5!uvaarpa!virginia!uvacs!rwl From: rwl@uvacs.CS.VIRGINIA.EDU (Ray Lubinsky) Newsgroups: comp.misc Subject: Re: Julian Date/Day Number Message-ID: <2081@uvacs.CS.VIRGINIA.EDU> Date: Thu, 12-Nov-87 13:15:00 EST Article-I.D.: uvacs.2081 Posted: Thu Nov 12 13:15:00 1987 Date-Received: Sun, 15-Nov-87 09:09:04 EST References: <557@astroatc.UUCP> Organization: U.Va. CS Department, Charlottesville, VA Lines: 19 Keywords: Ceasar, Astronomy, Dates, Etc. In article <557@astroatc.UUCP>, philm@astroatc.UUCP (Phil Mason) writes: : > A Julian Date (or Day Number) is the number of days since an event in Roman > history. Julius Ceasar, in addition to being a great military leader, was > also a great calendar maker. The Julian Date was a marker of a new era, As I mention in <2078@uvacs.CS.VIRGINIA.EDU>, the Julian period is based on an essentially arbitrary date and has no relation whatsoever to the calendar of Julius Caesar (other than the fact that the solar year was taken to be 365.25 mean solar days). Where do people come up with these ``facts''? (I got mine from the Encyclopedia Britannica and the Astronomical Almanac for 1987.) -- | Ray Lubinsky Department of Computer Science, University of Virginia | | UUCP: ...!uunet!virginia!uvacs!rwl | | CSNET: rwl@cs.virginia.edu | | BITNET: rwl8y@virginia |