Sizdah Bedar
The 13th day of Nowruz, when families leave their homes and spend the day outdoors. The 13th is traditionally unlucky, so you must not stay inside. The sprouts from the Haft-sin table are thrown into running water, and young girls tie the sprouts together while making a wish for a husband. The tradition is ancient, pre-Islamic, and completely immune to modern rationality. The parks are full, the kebabs are grilling, and nobody is inside. . Fixed, Mar 20.