From julian gregorian calendar, The gregorian calendar was first introduced in 1582, however, different countries changed from the julian calendar at different times.. Julian dates - cpearson., Many applications (especially mainframe systems) store dates in the julian format, which is a 5 digit number, consisting of a 2 digit year and a 3 digit day-of-year. The christian calendar | calendars - webexhibits, The "christian calendar" is the term traditionally used to designate the calendar commonly in use, although it originated in pre-christian rome..
Julian date calendar date - united states navy, Julian dates (abbreviated jd) simply continuous count days fractions noon universal time january 1, 4713 bc ( julian calendar). 2.5. http://aa.usno.navy.mil/data/docs/JulianDate.php Julian day calculations (gregorian calendar), The julian day count uniform count days remote epoch (-4712 january 1, 12 hours greenwich time (julian proleptic calendar) = 4713 bce. http://quasar.as.utexas.edu/BillInfo/JulianDatesG.html Converting julian dates gregorian calendar dates, Provides formula examples convert julian gregorian calendar dates. fortran code conversion .. http://aa.usno.navy.mil/faq/docs/JD_Formula.php