...also believed to be a special day to ask for rain. In ancient Iran, every day had its own name,and belonged to a different angel. The 13th of Farvardin belonged to the angel of rain, Tir. This angel is depicted as a horse. Sizdah-Bedar is also a day for competitive games. Games involving horses were often chosen as a victory of a horse represented , the angle of rain.
A ritual performed at the end of the picnic day is to throw away the Sabzeh from the Norooz Haft Seen table. The sabzeh is supposed to have collected all the sickness, pain and ill fate hiding on the path of the family throughout the coming year! Touching someone else's sabzeh on this thirteenth day or bringing it home is, therefore, not a good idea and may result in inviting their pain and hardship to oneself.
Another tradition on the 13th, is the knotting of blades of grass by unmarried girls in the hope of finding a husband. The knotting of the grass represents the bondage of a man and a woman