Sepandārmazgān or Espandegān is an ancient Iranian day of love with Zoroastrian roots dating back to the Achaemenid Empire, the first Persian Empire.
This day is dedicated to Spənta Ārmaiti; Avestan for "Holy Devotion", the Amesha Spenta who is given the domain of earth.
The date of the festival as observed in the Sassanid era was on the 5th day of the month Spandarmad.
The deity Spandarmad protected the Earth and the good, chaste and beneficent wife who loves her husband.
the festival used to be dedicated to women, and men would make them presents, and the custom was still flourishing in some districts.