A Persian festival, Yalda, celebrates the triumph of light over darkness, with pomegranates, poetry and sacred rituals he story behind Yalda Night Shab-e-Yalda (Yalda Night) also known as Shab-e Chelleh is one of the most ancient Persian festivals annually celebrated on December 21 by Iranians all around the world. Yalda is a winter solstice