Editing Old Calendarists (section)

{{Short description|Group of traditionalist Eastern Orthodox bodies}}
{{about|the Eastern Orthodox groups that have left their Churches due to disagreements concerning the Revised Julian calendar|the other name of the Eastern Orthodox movement which separated from mainstream Eastern Orthodoxy in the 1920s|True Orthodoxy|the Assyrian church which keeps its old calendar|Ancient Church of the East}}
{{One source|date=November 2021}}
{{Infobox religious group|group=Old Calendarists|region1={{flag|Greece}}|pop1=250 000–2 million (1991);<ref name="Chrysostomos1991">{{Cite journal|url=|title=The old calendarists: A social psychological profile of a Greek Orthodox minority|last1=Chrysostomos|last2=Akakios|date=November 1, 1991|journal=Pastoral Psychology|volume=40|issue=2|pages=83–91|via=Springer Link|doi=10.1007/BF01040490|s2cid=144654988}}</ref> 500 000–800 000 (2005)<ref>{{Cite web|url=https://www.refworld.org/docid/437c9ce134.html|title=Refworld &#124; U.S. Department of State Annual Report on International Religious Freedom for 2005 - Greece|first=United Nations High Commissioner for|last=Refugees|website=Refworld}}</ref>|region2={{flag|Romania}}|pop2=1 million (1991);<ref name="Chrysostomos1991" /> over 1 million (1999)<ref name=":2"/>|religions=[[Christianity]] ([[Eastern Orthodox Church|Eastern Orthodoxy]])|footnotes=|image_caption=|region3={{flag|USA}}|pop3=at least 2,000 (2011)<ref>[[Holy Orthodox Church in North America|HOCNA]] adherents, from Krindatch, A. (2011). ''Atlas of American Orthodox Christian Churches'', p. 44. Brookline, MA: Holy Cross Orthodox Press</ref>}}
{{Eastern Orthodox sidebar}}
'''Old Calendarists''' ([[Greek language|Greek]]: ''palaioimerologitai<ref name=":0" />'' or ''palaioimerologites''<ref>{{Cite web|last=|title=Περισσότερες από 500 επιθέσεις σε θρησκευτικούς χώρους το 2017|url=https://www.kathimerini.gr/society/1001945/perissoteres-apo-500-epitheseis-se-thriskeytikoys-choroys-to-2017/|access-date=2021-11-10|website=Η ΚΑΘΗΜΕΡΙΝΗ}}</ref>), also known as '''Old Feasters''' (''palaioeortologitai''), '''Genuine Orthodox Christians''' or '''True Orthodox Christians''' ('''GOC'''; {{Langx|el|Γνήσιοι Ορθόδοξοι Χριστιανοί|translit=Gnisioi Orthodoxoi Christianoi}}), are traditionalist groups of [[Eastern Orthodox Christians]] that separated from mainstream Eastern Orthodox churches because [[New Calendarists|some of the latter]] [[Council of Constantinople (1923)|adopted]] the [[revised Julian calendar]] while Old Calendarists remained committed to the [[Julian calendar]].''<ref name=":0">{{Cite book |last=Ware |first=Kallistos |url=https://books.google.com/books?id=-71s8jEHWJsC |title=Minorities in Greece: Aspects of a Plural Society |publisher=C. Hurst & Co. Publishers |year=2002 |isbn=978-1-85065-705-7 |editor-last=Clogg |editor-first=Richard |pages=2–4 |chapter=Old Calendarists |author-link=Kallistos (Ware)}}</ref><ref name=":13">{{Cite book|url=http://doi.wiley.com/10.1002/9781405166584|title=The Blackwell Dictionary of Eastern Christianity|date=2017-09-01|publisher=Blackwell Publishing Ltd|isbn=978-1-4051-6658-4|editor-last=Parry|editor-first=Ken|location=Oxford, UK|pages=498–9, 355|language=en|chapter=|doi=10.1002/9781405166584|orig-date=1999|editor-last2=Melling|editor-first2=David J.|editor-last3=Brady|editor-first3=Dimitri|editor-last4=Griffith|editor-first4=Sidney H.|editor-last5=Healey|editor-first5=John F.}}</ref>''

Old Calendarists are not in [[Full communion|communion]] with any mainstream Eastern Orthodox churches.<ref>{{Cite web|date=2010-10-23|title=Independent Orthodox Churches or the Other Orthodox Family of Churches|url=https://theorthodoxchurch.info/main/non-canonical-orthodox-churches/|access-date=2021-09-04|website=Orthodoxy Cognate PAGE - Media Network|language=en-US|archive-date=2021-09-06|archive-url=https://web.archive.org/web/20210906110732/https://theorthodoxchurch.info/main/non-canonical-orthodox-churches/}}</ref>

"Old Calendarists" is another name for the [[True Orthodox]] movement in [[Romania]], [[Bulgaria]], [[Greece]] and [[Cyprus]].<ref name=":12">{{Cite book|url=http://doi.wiley.com/10.1002/9781405166584|title=The Blackwell Dictionary of Eastern Christianity|date=2017-09-01|publisher=Blackwell Publishing Ltd|isbn=978-1-4051-6658-4|editor-last=Parry|editor-first=Ken|location=Oxford, UK|pages=498–9|language=en|chapter=True Orthodox church|doi=10.1002/9781405166584|orig-date=1999|editor-last2=Melling|editor-first2=David J.|editor-last3=Brady|editor-first3=Dimitri|editor-last4=Griffith|editor-first4=Sidney H.|editor-last5=Healey|editor-first5=John F.}}</ref>