Just the one - the Armenian Apostolic Church celebrates on January 6.Countries like Armenia and Lebanon were outside of the Roman Empire, meaning they were never influenced by either the Julian or Gregorian calendars.Want to celebrate two Easters in Greece rather than just one? While the parades and most of the fun activities which are of interest to visitors occur on the final weekend, it's still possible to enjoy some of the season in the weeks running up to Carnival itself, called in Greek "apokrias." And of course, after Carnival season ends and Lent begins, there is the holiday of Clean Monday -a day for picnics and getting prepared for the austerities of the Lenten season.
The date for celebrating Easter, among the Orthodox, can be anything but orthodox.
The Assyrian, Greek, Russian and other Orthodox, considered the world’s first Christians, don’t usually celebrate Easter on the same date as Catholics and Protestants. All Christians use the same method for determining the date of Easter, though they can arrive at a different result.
Nowadays, most Orthodox countries follow the Georgian calendar, but still observe religious holidays on the Julian dates.
The Orthodox Epiphany, for example, is on January 19 - instead of the 6th.
It is a concern shared by learned religious leaders who understand the need for a compassionate outreach towards intermarried families with sensitivity to differences among intermarried couples and the problems they face as a family.