Old Calendar Greek Orthodox. In the period from 1980 to 1990 the greek old calendarist movement endured a time of internal disputes, discord, divisions and the formation of new synods. The church of the genuine orthodox christians of greece is an old calendarist church which severed communion with the church of greece in 1935 over the acceptance of.
For almost 1,500 years, the entire orthodox world adhered to the same calendar, known as the old or julian calendar. Most of the rest of the orthodox church.