This article is about the Eastern Orthodox groups that have left their Churches due to disagreements concerning the Revised Julian calendar. For the other name of the Eastern Orthodox movement which separated from mainstream Eastern Orthodoxy in the 1920s, see True Orthodoxy. For the Assyrian church which keeps its old calendar, see Ancient Church of the East.
Old Calendarists (Greek: palaioimerologitai[5] or palaioimerologites[6]), also known as Old Feasters (palaioeortologitai), Genuine Orthodox Christians or True Orthodox Christians (GOC; Greek: Γνήσιοι Ορθόδοξοι Χριστιανοί, romanized: Gnisioi Orthodoxoi Christianoi), are traditionalist groups of Eastern Orthodox Christians who separated from mainstream Eastern Orthodox churches because some of the latteradopted the revised Julian calendar while Old Calendarists remained committed to the Julian calendar.[5][7] Old Calendarists are not in communion with any mainstream Eastern Orthodox churches.[8] "Old Calendarists" is another name for the True Orthodox movement in Romania, Bulgaria, Greece and Cyprus.[9]
^ abChrysostomos; Akakios (November 1, 1991). "The old calendarists: A social psychological profile of a Greek Orthodox minority". Pastoral Psychology. 40 (2): 83–91. doi:10.1007/BF01040490. S2CID144654988 – via Springer Link.