This refers to the schedule of religious observances and dates followed by Eastern Orthodox Christians who adhere to the Julian calendar for liturgical purposes. The Julian calendar, as opposed to the Gregorian calendar commonly used in secular contexts, results in a divergence of dates for fixed holidays, such as Christmas, which typically falls on January 7th rather than December 25th for those using this calendar. The specified year indicates the relevant period for which this liturgical calendar is applicable.
The significance of this particular dating system lies in its preservation of traditional religious practices and its symbolic connection to the historical roots of the Eastern Orthodox Church. Maintaining this traditional calendar ensures continuity with past generations and upholds established liturgical rhythms. It serves as a defining characteristic of certain Orthodox communities, fostering a distinct religious identity and providing a framework for spiritual life.