Celebrations and rituals Sari26 Norouz Mah ......InformationKharmam Celebr......InformationMazandaran's F......InformationYalda Night ( ...Yalda is one of the ancient most celebrated events in Iran which marks the longest night of the year and arrival of winter. Every year, on December 21st, Iranians celebrate the arrival of winter, the renewal of the sun and the victory of light over darkness on yalda night. Iranians a...Information