Spandarmadgan (Jashan of Spandarmad), Esfand 5, is an ancient Zoroastrian festival dedicated to Spandarmad, the divinity associated with earth, love, and fertility. The observance occurs when the name of the month and the day coincide in the Zoroastrian calendar, marking a time to honor the earth and nature. On this day, Zoroastrians hold special rituals to emphasize the importance of the earth and its role in human life. Spandarmadgan is also recognized in Iranian culture as a symbol of affection and friendship, and in some traditions, it is considered a day to appreciate women and mothers.