The Orthodox Christian calendar for the 12 months 2025 is a software utilized by Orthodox Christians to find out the dates of spiritual (feasts) and fasts. It’s based mostly on the Julian calendar, which is 13 days behind the Gregorian calendar utilized in many of the world.
The Orthodox Church makes use of the Julian calendar as a result of it was the calendar in use on the time of the First Council of Nicaea in 325 AD, which established the official doctrine of the Christian Church. The Gregorian calendar was launched in 1582 by Pope Gregory XIII, however the Orthodox Church has by no means adopted it.
