Difference Between Gregorian Calendar And Julian Calendar. 73 rows if conversion takes you past a february 29 that exists only in the julian calendar, then february 29 is counted in the difference. Looking at the differences between the two calendars, one can clearly tell that the gregorian calendar was formed through the julian version.

Conversion between julian and gregorian calendars. The current discrepancy between the julian and gregorian calendars is 13 days.