
The question of whether Old Calendarists are considered Orthodox is a complex and contentious issue within Eastern Orthodox Christianity. Old Calendarists, also known as Old Believers or Genuine Orthodox Christians, are groups that adhere to the traditional Julian calendar for liturgical purposes, rejecting the revised Gregorian calendar adopted by most Orthodox Churches in the 20th century. This schism often extends beyond calendrical differences, encompassing theological, ecclesiological, and liturgical disputes. While Old Calendarist communities maintain that they are the true guardians of Orthodox tradition, their separation from the mainstream Orthodox Churches has led to debates about their canonical status and orthodoxy. Critics argue that their refusal to recognize the authority of established patriarchates and their insistence on isolation undermine their claim to orthodoxy, while supporters contend that their stance is a necessary defense against modernism and ecumenism. Ultimately, the question of whether Old Calendarists are Orthodox remains a matter of ongoing theological and ecclesiastical debate, reflecting broader tensions between tradition and reform within the Orthodox world.
| Characteristics | Values |
|---|---|
| Definition | Old Calendarists are Orthodox Christians who follow the Julian calendar for liturgical purposes, rather than the revised Gregorian calendar. |
| Liturgical Calendar | Use the Julian calendar, which is 13 days behind the Gregorian calendar. |
| Ecclesiastical Affiliation | Often associated with traditionalist or conservative Orthodox jurisdictions, though not universally accepted as mainstream Orthodox. |
| Theological Stance | Generally hold orthodox theological positions but emphasize strict adherence to tradition, including the calendar. |
| Recognition by Mainstream Orthodoxy | Not universally recognized as part of the mainstream Orthodox Church, though some jurisdictions accept them. |
| Key Figures/Jurisdictions | Examples include the Russian Orthodox Church Outside Russia (ROCOR) and various Old Calendarist groups in Greece and Romania. |
| Controversies | Disputes over the legitimacy of their liturgical calendar and their separation from mainstream Orthodox communion. |
| Practices | Follow traditional Orthodox practices but observe feast days according to the Julian calendar. |
| Global Presence | Found in Eastern Europe, Greece, and among diaspora communities, particularly in the U.S. and Western Europe. |
| Relation to Ecumenical Patriarchate | Often in schism or not in communion with the Ecumenical Patriarchate of Constantinople. |
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What You'll Learn
- Historical Context of Old Calendarism: Origins in 1923, rejection of revised Julian calendar, traditionalist stance
- Ecclesiastical Legitimacy: Claims of unbroken apostolic succession, recognition disputes among Orthodox churches
- Theological Justification: Defense of patristic tradition, opposition to ecumenism, calendar as theological issue
- Liturgical Practices: Adherence to old rites, fasting rules, and feast day observances
- Relations with Mainstream Orthodoxy: Excommunication, dialogue attempts, and varying degrees of acceptance

Historical Context of Old Calendarism: Origins in 1923, rejection of revised Julian calendar, traditionalist stance
The roots of Old Calendarism trace back to 1923, when the Ecumenical Patriarchate of Constantinople adopted the Revised Julian Calendar, aligning it more closely with the Gregorian Calendar used in the West. This reform aimed to synchronize the dates of fixed feasts, such as Christmas, with the solar year, correcting a drift of approximately 13 days that had accumulated over centuries. However, not all Orthodox Christians accepted this change. Traditionalists, particularly in regions like Greece, Russia, and among diaspora communities, viewed the revision as an unwarranted departure from the historical practices of the Church. Their rejection of the new calendar was not merely a matter of preference but a deeply held conviction that preserving the Julian Calendar was essential to maintaining the integrity of Orthodox tradition.
The adoption of the Revised Julian Calendar was part of a broader effort to modernize Orthodox liturgical practices in the early 20th century. Proponents argued that the change would simplify ecclesiastical life and foster unity with other Christian denominations. Yet, for Old Calendarists, this reform symbolized a dangerous concession to secular influences and a betrayal of the Church’s timeless customs. They contended that the Julian Calendar, established by Julius Caesar in 45 BCE and adopted by the early Church, was intrinsically linked to the liturgical and spiritual identity of Orthodoxy. By rejecting the revised calendar, they sought to safeguard what they perceived as the purity of their faith against external innovations.
The traditionalist stance of Old Calendarists extends beyond the calendar itself to encompass a broader defense of Orthodox orthodoxy. They argue that the calendar is not an isolated issue but a cornerstone of liturgical and theological continuity. For instance, the date of Pascha (Easter), calculated using the Julian Calendar, holds profound theological significance, as it is tied to the Jewish Passover and the Church’s understanding of salvation history. Deviating from this calculation, they believe, risks distorting the very essence of Orthodox worship. This perspective underscores their commitment to preserving every aspect of the Church’s heritage, no matter how seemingly minor.
Practical considerations also played a role in the rejection of the Revised Julian Calendar. In regions where Old Calendarism took hold, such as Mount Athos in Greece, adherence to the Julian Calendar became a marker of spiritual resistance against perceived ecumenism and modernization. Monasteries and parishes that maintained the old calendar often did so at great personal and communal cost, facing excommunication, persecution, and isolation from the broader Orthodox world. Their perseverance highlights the depth of their conviction and the lengths to which they were willing to go to uphold their traditionalist principles.
Today, the question of whether Old Calendarists are Orthodox remains a contentious issue within the Church. While they are often regarded as schismatic by those who follow the Revised Julian or Gregorian Calendars, Old Calendarists insist that their adherence to the Julian Calendar is a legitimate expression of Orthodox faith. Their historical context—rooted in the events of 1923 and the subsequent rejection of calendar reform—provides a framework for understanding their traditionalist stance. For those seeking to engage with this debate, it is essential to recognize the theological, liturgical, and historical complexities that underpin Old Calendarism, rather than dismissing it as mere stubbornness or anachronism.
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Ecclesiastical Legitimacy: Claims of unbroken apostolic succession, recognition disputes among Orthodox churches
The claim of unbroken apostolic succession is a cornerstone of Orthodox ecclesiastical legitimacy, yet it becomes contentious when applied to Old Calendarist groups. These communities, which adhere to the Julian calendar for liturgical purposes, often assert direct lineage from the apostles, mirroring the broader Orthodox tradition. However, their rejection of the revised Julian calendar adopted by most Orthodox churches in the 20th century has led to disputes over their canonical status. The question arises: does adherence to an older calendar inherently preserve apostolic succession, or does it undermine communion with recognized Orthodox bodies?
To evaluate this, consider the mechanics of apostolic succession. It is not merely a historical claim but a living tradition maintained through valid ordinations and Eucharistic communion. Old Calendarists argue that their bishops, consecrated by those who never accepted the calendar reform, hold valid apostolic succession. Yet, the broader Orthodox world often views these ordinations as schismatic, as they occur outside the recognized ecclesiastical structures. This creates a paradox: while Old Calendarists may technically maintain succession, their isolation from mainstream Orthodox churches raises questions about its legitimacy in the eyes of the wider communion.
Recognition disputes further complicate the matter. The Orthodox Church operates on the principle of synodality, where decisions are made collectively by bishops in communion. Old Calendarist churches, such as the True Orthodox Church of Greece, are often unrecognized by the Ecumenical Patriarchate and other autocephalous churches. This lack of recognition limits their ability to participate in pan-Orthodox dialogues, sacraments, and administrative functions. For instance, marriages or ordinations performed by Old Calendarist clergy may not be acknowledged by mainstream Orthodox jurisdictions, creating practical challenges for their adherents.
A comparative analysis reveals that the dispute is not merely calendrical but deeply theological and administrative. While Old Calendarists emphasize the preservation of tradition, their critics argue that unity and synodality are equally essential to Orthodox identity. The Russian Orthodox Church Outside of Russia (ROCOR), for example, was once in a similar position of isolation but eventually reconciled with the Moscow Patriarchate. This precedent suggests that recognition disputes are not insurmountable, but they require mutual concessions and a shared commitment to unity.
In practical terms, individuals navigating these disputes must weigh their spiritual priorities. For those drawn to Old Calendarist communities, the preservation of liturgical tradition and resistance to modernization may be compelling. However, they must also consider the limitations of being part of an unrecognized group, such as restricted access to pan-Orthodox resources and potential social isolation. Conversely, remaining within mainstream Orthodox churches ensures full communion but may require accepting reforms that some view as departures from tradition. Ultimately, the question of ecclesiastical legitimacy in this context hinges on whether one prioritizes historical continuity or communal unity—a choice that carries profound implications for both individual faith and the broader Orthodox world.
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Theological Justification: Defense of patristic tradition, opposition to ecumenism, calendar as theological issue
The Old Calendarist movement, often viewed as a fringe group within Eastern Orthodoxy, grounds its theological justification in a staunch defense of patristic tradition. For them, the Julian calendar is not merely a historical artifact but a theological safeguard. They argue that the Gregorian calendar reform, adopted by the Ecumenical Patriarchate in 1924, represents a departure from the traditions established by the Church Fathers. This shift, they claim, is symptomatic of a broader erosion of Orthodox identity. By adhering to the Julian calendar, Old Calendarists see themselves as preserving the liturgical and spiritual continuity of the early Church, a continuity they believe is threatened by modernization and ecumenical compromises.
Opposition to ecumenism is another cornerstone of their theological stance. Old Calendarists view ecumenism—the movement toward Christian unity across denominations—as a dilution of Orthodox doctrine. They argue that participation in ecumenical dialogues and joint prayers with non-Orthodox Christians undermines the uniqueness of the Orthodox faith. The calendar issue, in their eyes, is a tangible manifestation of this broader ecumenical threat. By rejecting the Gregorian calendar, they symbolically reject what they perceive as the influence of Western Christianity and its modernist tendencies. This opposition is not merely liturgical but deeply theological, rooted in a belief that Orthodox identity is inseparable from its historical practices.
The calendar, for Old Calendarists, is far more than a tool for marking time—it is a theological issue. They contend that the liturgical cycle, tied to the Julian calendar, is intrinsically linked to the Church’s eschatological vision. Feasts like Pascha (Easter), calculated according to the Julian calendar, are seen as expressions of the Church’s timeless truth. Deviating from this calendar, they argue, disrupts the theological harmony of the liturgical year and compromises the Church’s witness to the world. This perspective elevates the calendar dispute from a practical concern to a matter of spiritual integrity, making it a non-negotiable aspect of their Orthodox identity.
To understand the Old Calendarist position, consider their approach as a three-step theological framework: first, identify the patristic tradition as the unchanging standard of Orthodoxy; second, recognize ecumenism as a threat to this standard; and third, view the calendar as a tangible marker of fidelity to tradition. This framework is not merely defensive but proactive, aiming to fortify Orthodox identity against perceived external and internal threats. Critics may dismiss their stance as rigid or anachronistic, but for Old Calendarists, it is a matter of theological survival. Their insistence on the Julian calendar is not nostalgia but a deliberate act of theological resistance, rooted in a conviction that the Church’s traditions are divine revelations, not human constructs.
In practical terms, this theological justification translates into a lifestyle of strict adherence to traditional practices. Old Calendarist communities often maintain separate churches, monasteries, and even seminaries to preserve their liturgical and doctrinal purity. They celebrate feasts on dates that differ from the majority of Orthodox Christians, creating a visible distinction. While this separation has led to accusations of schism, Old Calendarists argue that their stance is a necessary defense of Orthodoxy’s essence. Their theological justification, though controversial, offers a compelling case for the calendar as a battleground for the soul of the Church, where tradition and modernity collide in a struggle for theological legitimacy.
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Liturgical Practices: Adherence to old rites, fasting rules, and feast day observances
Old Calendarists, often referred to as "Old Believers" in the Orthodox Christian context, maintain liturgical practices rooted in pre-1923 traditions, rejecting the revised Julian calendar adopted by many Orthodox Churches. This adherence to the Julian calendar and its associated rites, fasting rules, and feast day observances is central to their identity. Their commitment to these practices raises questions about their place within the broader Orthodox tradition. Are they merely traditionalists, or do their liturgical distinctives place them outside the bounds of Orthodox orthodoxy?
Consider the fasting rules observed by Old Calendarists. Unlike many Orthodox Churches, which follow a modified fasting schedule, Old Calendarists strictly adhere to the traditional fasting regulations. This includes abstaining from meat, dairy, and often oil on Wednesdays and Fridays throughout the year, as well as during extended fasting periods like Great Lent. For example, while some Orthodox jurisdictions allow fish on certain fasting days, Old Calendarists typically maintain a stricter interpretation, reflecting their commitment to pre-reform practices. This rigor is both a point of pride and a potential barrier to unity with other Orthodox groups.
Feast day observances further highlight their liturgical distinctiveness. By following the Julian calendar, Old Calendarists celebrate Christmas on January 7th (Gregorian calendar) and Easter on a date that often differs from the majority of Orthodox Churches. This divergence is not merely symbolic; it affects their liturgical rhythm and communal identity. For instance, while the rest of the Orthodox world may be celebrating Pascha, Old Calendarists might still be in the midst of Great Lent. This misalignment can create practical challenges, such as coordinating inter-parish events or marriages between Old Calendarists and those following the revised calendar.
The adherence to old rites is perhaps the most visible marker of Old Calendarist liturgical practice. Their divine liturgy, for example, retains archaic language and ceremonial elements that have been simplified or modernized in other Orthodox traditions. The use of Church Slavonic or Greek in its older form, along with traditional chant styles, distinguishes their worship. While these practices are undeniably Orthodox in origin, their preservation raises questions about adaptability and relevance in contemporary contexts. Critics argue that such rigidity risks isolating Old Calendarists from the broader Orthodox communion, while proponents view it as a safeguard against liturgical dilution.
In conclusion, the liturgical practices of Old Calendarists—their fasting rules, feast day observances, and adherence to old rites—underscore their commitment to preserving pre-1923 Orthodox traditions. While these practices are undeniably rooted in Orthodox orthodoxy, their divergence from mainstream liturgical norms complicates their relationship with other Orthodox Churches. Whether this makes them a distinct sect or a faithful remnant of a bygone era remains a subject of debate. For those seeking to understand or engage with Old Calendarists, appreciating the depth and intentionality of their liturgical practices is essential.
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Relations with Mainstream Orthodoxy: Excommunication, dialogue attempts, and varying degrees of acceptance
The relationship between Old Calendarists and mainstream Orthodox Churches has been marked by tension, excommunication, and sporadic attempts at reconciliation. Historically, the Old Calendarist movement emerged in the early 20th century as a reaction to the adoption of the Revised Julian Calendar by several Orthodox Churches, which they viewed as a departure from tradition. This schism led to their excommunication by mainstream Orthodox patriarchates, who considered their rejection of the calendar reform as schismatic and uncanonical. The excommunication severed formal ecclesiastical ties, relegating Old Calendarists to a marginalized position within global Orthodoxy. Despite this, Old Calendarist communities have persisted, maintaining their liturgical and ecclesiastical practices, often in isolation from the broader Orthodox world.
Dialogue between Old Calendarists and mainstream Orthodoxy has been infrequent and fraught with challenges. Attempts at reconciliation have been hindered by deep-seated theological and jurisdictional disputes. For instance, in the 1970s, the Church of Greece initiated discussions with the Old Calendarist Synod of Archbishop Auxentios, but these efforts stalled due to disagreements over the validity of ordinations and the authority of the mainstream Church. Similarly, in Romania and Bulgaria, sporadic dialogues have occurred, yet they have rarely progressed beyond preliminary stages. These failures underscore the complexity of bridging the divide, as both sides cling to their interpretations of Orthodox tradition and canonical legitimacy.
Varying degrees of acceptance exist within mainstream Orthodoxy toward Old Calendarists. Some jurisdictions, such as the Russian Orthodox Church Outside of Russia (ROCOR), have historically shown sympathy toward Old Calendarists, recognizing their commitment to preserving pre-reform liturgical practices. However, this sympathy has not translated into full communion, as ROCOR and other mainstream Churches maintain their allegiance to the Revised Julian Calendar. Conversely, other patriarchates, like the Ecumenical Patriarchate of Constantinople, remain steadfast in their rejection of Old Calendarist claims, viewing them as obstinate schismatics rather than legitimate Orthodox Christians.
Practical steps toward reconciliation could include establishing joint theological commissions to address contentious issues, such as the calendar reform and the validity of Old Calendarist ordinations. Additionally, fostering grassroots interactions between clergy and laity from both traditions could build mutual understanding and trust. For example, organizing ecumenical conferences or joint prayer services could create opportunities for dialogue outside formal ecclesiastical structures. However, any progress would require a willingness to compromise on both sides, particularly regarding canonical authority and liturgical practices.
In conclusion, the relationship between Old Calendarists and mainstream Orthodoxy remains strained but not irreparable. While excommunication and failed dialogue attempts have deepened divisions, varying degrees of acceptance suggest potential avenues for reconciliation. Practical, incremental steps, coupled with a spirit of humility and openness, could pave the way for greater unity, honoring the shared Orthodox heritage that binds both traditions.
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Frequently asked questions
Old Calendarists are Orthodox Christians who follow the traditional Julian calendar for liturgical purposes, rather than the revised Gregorian calendar used by most Orthodox Churches today.
Yes, Old Calendarists are considered Orthodox, but their adherence to the Julian calendar has led to jurisdictional and liturgical differences, causing some debate within the broader Orthodox community.
Old Calendarists use the Julian calendar because they believe it is the traditional calendar of the Orthodox Church, and they view the adoption of the Gregorian calendar as an unwarranted change that disrupted the unity of the Church.
Old Calendarist jurisdictions are often not in communion with the mainstream Orthodox Churches that follow the Gregorian calendar, leading to a state of isolation or limited recognition within the broader Orthodox world.
Yes, Old Calendarists have established their own hierarchical structures and bishops, often separate from those of the mainstream Orthodox Churches, which has further contributed to their distinct identity and jurisdictional challenges.











































