Lectionary for the English Office 2020

A Guide to the recitation of the English Parochial Office conforming to the Byzantine (Old Calendar) Paschalium with fixed days conforming to the Revised Julian Calendar, same as ＂Gregorian＂ until about 2700 anno Domini. The Vernal Equinox is 21 March, Old Julian calendar. The observable Vernal Equinox is determined objectively by the US Naval Observatory. The spread between Old Calendar dates and objective dates is 13 to 14 days as of 2020 anno Domini.