The Yalda Night is an ancient Persian festival for the first day of the Persian month of Dey, ie the night of 21 to 22 December. The Yalda Night is the longest night of the year at the winter solstice.
They will also “Chelleh-night” or called “refractory”, where Yalda is the Old-Syrian “birth”. This is the “birth” of the longer days and now meant by the sun.
Traditionally on this night, especially melons, melons and pomegranates , and it is eaten in the Diwan of Shams ad-Din Muhammad (Hafiz) read. That was one of the most important festivals of the Zaroastrier , but was later Islamicfilled content, with the religious circles of the festival not as important when eating.
Some Christian historians believe that Christmas is a further development of this festival. By 4 Century was in ancient Rome on 21 Day of the twelfth month of the Mithraic feast in honor of the birth of light (Mithras) held. With the adoption of Christianity as the state religion of the biggest festival in ancient Rome by the Church in the celebration of the birth was Jesus rededicated.The Orthodox Christians in the Islamic Republic of Iran celebrate the birthdayof Jesus (pbuh) , however, on 6 January.
Similar solstice celebrations are also handed down by the Celts and Teutons.