Yalda Night (Shab-e Yalda), also known as Chelleh Night, Azar 30. This night marks the longest night of the year in the Jalali calendar and is considered the beginning of winter. Yalda has been celebrated in Iran since ancient times, with families gathering to eat foods such as watermelon and pomegranate, and to share poetry and stories. Historically, Yalda Night held special significance for Iranians, with many of its customs rooted in ancient beliefs about the triumph of light over darkness. Elders in the family often recite old stories and poetry, and reading from Hafez is a common tradition. Some families stay awake late into the night, awaiting the sunrise as a symbol of renewal. Today, Yalda Night remains an important cultural event across Iran, observed with various traditions. The night symbolizes the transition from darkness to light and the start of the great winter period, and many families use the occasion to strengthen family bonds and enjoy time together.