Explore a simple, practical Orthodox fasting calendar of all the main Orthodox fasting seasons. Each event links to a detailed description and can be added directly to your phone calendar—so you’ll never miss another fast!
The Great Orthodox Lent 2026
The Fast of the Holy Apostles 2026
Source: Orthodox Christian Fasting Calendar
Revised Julian Calendar
This page features a complete overview of all the fasting periods in the Orthodox Church, organized according to the Revised Julian Calendar. This calendar is used by the majority of Orthodox Churches worldwide today and reflects the liturgical timing followed by those jurisdictions.
Churches that follow the Revised Julian Calendar
Churches that follow the Revised Julian Calendar:
- Ecumenical Patriarchate (Constantinople)
- Greek Orthodox Archdiocese of America
- Antiochian Orthodox Christian Archdiocese
- Romanian Orthodox Church
- Bulgarian Orthodox Church
- Orthodox Church of Albania
- Orthodox Church of Finland
- Orthodox Church in America (OCA)
Old Julian Calendar
If your parish follows the Old Julian Calendar, you can view the traditional Orthodox calendar with fasting dates on the Holy Trinity Russian Orthodox Church's website.
Churches that follow the Old Julian Calendar
Churches that follow the Old Julian Calendar:
- Russian Orthodox Church (Moscow Patriarchate)
- Serbian Orthodox Church
- Georgian Orthodox Church
- Jerusalem Patriarchate
- Polish Orthodox Church
- Ukrainian Orthodox Church (Moscow Patriarchate)
- Holy Orthodox Church in North America (HOCNA)
- Russian Orthodox Church Outside of Russia (ROCOR)
(some parishes use the Revised Julian Calendar—check locally)
Whether you're new to fasting or planning ahead for the next season, this page helps you stay prepared and in step with the life of the Church.
Frequently Asked Questions
Orthodox Christians primarily follow the revised Julian calendar for their liturgical year, which includes fasting periods and feast days. However, some Orthodox churches are still using the old Julian calendar or the Gregorian calendar.
The duration of the Orthodox fasts varies. The Great Lent, the longest fasting period, lasts for approximately 40 days, leading up to Easter Sunday. Other main fasting periods include the Nativity fast, the Apostles' fast, and the Dormition fast, each with different lengths and observances.