Jan.7.Russian Orthodox Christmas.
Christmas Day is to commemorate the birth of Jesus established.According to the doctrine should be in the Dec.25 celebration,so the Catholic and Protestant,on December 25 for Christmas.And the Russian Orthodox faith of the nation,the Gregorian calendar on January 7 the Russian calendar on December 25,Russia's national Christmas is on January 7.To determine this day Christmas is no coincidence,since January 7,that is,the Russian calendar on December 25 was the winter solstice (день зимнего солнце-стояния),therefore the day as the Christian Christmas,also known as the main section of the Nativity .