Who Created The Julian Calendar

Who Created The Julian Calendar. Since the previous calendar was based on the lunar cycle, caesar and an astronomer, sosigenes, created a new calendar based on the solar, or tropical, year. The greeks improved and standardized the calendar during the first millennium bce, bringing in the metonic cycle to balance solar and lunar readings.

He added an extra day to february every four years to keep it on. The julian calendar is named after julius caesar, who introduced the idea in ancient rome around 46 bc.