Orthodox Christians are celebrating one of the twelve great feasts of the liturgical year – the Transfiguration of our Lord, ...

Orthodox Christian churches in the D.C. area will be celebrating Easter on Sunday, April 16, in accordance with the Julian calendar instead of the Gregorian.

All Eastern Orthodox agree that Dec. 25 is the date of Christmas, or the Feast of the Nativity, as they call it. The question is whether Dec. 25 falls on Dec. 25 or Jan. 7.

Beginning after the feast day of St. Philip, observed by Ukrainian Orthodox on November 28, the faithful abstain from alcohol and most meat products until the first star appears on Christmas Eve ...

Technically, there aren't. All Eastern Orthodox agree that Dec. 25 is the date of Christmas, or the Feast of the Nativity, as they call it. The question is whether Dec. 25 falls on Dec. 25 or Jan. 7.

The Ukrainian Orthodox Church — which claims independence but has historic ties to Moscow and faces an effective ban in pending legislation — is observing Christmas on Jan. 7.