Compute Orthodox and Catholic Easter dates as well as feasts depending on Easter date for any year according to the Julian and Gregorian calendar respectively.
Whether it is about the Orthodox Easter or about the Catholic Easter, their date is always between March 22 and April 25 of the Gregorian calendar or between April 4 and May 8 of the Julian calendar.
For a display of all mobile feasts please visit our page Orthodox Easter and mobile feasts