Example image of eyePlorer eyePlorer map for 'Year zero': Gregorian calendar Julian calendar 1 1 BC Astronomical year numbering Buddhist calendar Hindu calendar ISO 8601 Historiography Counting Astronomy Era Interval (time) 470 544 Dionysius Exiguus' Easter table Consul Diocletian Bede Historia ecclesiastica gentis Anglorum Ecclesiastical Latin Middle Ages 0 (number) Arabic numerals Latin Roman numerals Werner Rolevinck December 31 January 1 Western Europe Renaissance English language 500 509–500 BC Ante Christum Natum Common Era Astronomer Jacques Cassini Epoch (astronomy) Meridian (geography) Observatory Paris Observatory Royal Observatory, Greenwich Tycho Brahe Uraniborg John Herschel Julian day Jean Meeus Johannes Kepler Rudolphine Tables
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