The 27th night of Ramadan is called Kadir Gecesi, the Night of Power. The greatest night of the Muslim year, this is the sanctified night when the history.
Laylat-al-Qadr calls for much reflection and prayer. It was the 27th night of the month of Ramazan(Ramadan) and the anniversary of that night, or, say, the birthday of the Koran, became the holiest moment in the Muslim calendar (Kadir Gecesi). The 27th night of Ramadan is called Kadir Gecesi, the Night of Power.