Sadehmeaning hundred, is a mid winter feast that was celebrated with grandeur and magnificence in ancient Iran. It was a festivity to honor fire , and being held usually on the 30th of January as a midwinter festival in Iran . that takes place 20 days before nowrouz . the most celebrate reports of the celebrations comes from the 10thcentury during the regin of Mardavij Zeyari , the ruler of Isfahan.