Orthodox Christmas Day is celebrated on January 7th, according to the Julian calendar. It is a major holiday in the Orthodox Christian tradition and is marked by special church services, feasts, and family gatherings. It is also known as Old Christmas Day or Epiphany Eve, and it commemorates the birth of Jesus Christ. It is a time for reflection, prayer, and celebration of the birth of Jesus, and it is also a time for exchanging gifts and spending time with loved ones.