Festal and Personal Letters of Athanasius 17

Athanasius to the Presbyters and Deacons of Alexandria, and to the beloved brethren, greeting in Christ.

According to custom, I give you notice respecting Easter, my beloved, that you also may notify the same to the districts of those who are at a distance, as is usual. Therefore, after this present festival, I mean this which is on the twentieth of the month Pharmuthi, the Easter-day following will be on the vii Id. April, or according to the Alexandrians on the twelfth of Pharmuthi. Give notice therefore in all those districts, that Easter-day will be on the vii Id. April, or according to the Alexandrian reckoning on the twelfth of Pharmuthi. That you may be in health in Christ, I pray, my beloved brethren.