Boboi Navruz, 'Grandfather Nowruz', is the folk personification of the Iranian New Year among the Tajiks, a white-bearded elder who arrives with the spring equinox to renew the world. He belongs to the same festive complex as the pre-Islamic Navruz observances that survive vigorously across the homeland: the ritual sprouting of wheat, the communal cooking of sumalak, house-cleaning, and visits of renewal. Broadly parallel to the Father Frost figures of other calendars, he embodies the turning of the year rather than governing a domain, and his lore is carried in seasonal song and children's custom rather than formal cult.