Orthodox Christmas is celebrated on January 7th by many Eastern Orthodox Christians, following the Julian calendar. This date corresponds to December 25th in the Gregorian calendar, which is used by most of the world. The holiday commemorates the birth of Jesus Christ and is marked by various religious services and traditions. In many countries, such as Russia, Greece, and Serbia, families gather for festive meals and exchange gifts. Traditional foods often include fish, bread, and sweet pastries. The celebration emphasizes community, family, and the spiritual significance of the holiday, with many attending church services on Christmas Eve or Christmas Day.