The Persian name for the Nowruz custom of visiting relatives and friends is Did-o-bazdid.
Did-o-bazdid literally refers to mutual visiting: people call on older relatives, friends, and neighbors, and those visits are returned. It is one of the central social customs of the Iranian New Year period, alongside preparing the home, exchanging gifts, and setting a Haft-sin table.
Traditionally, younger family members visit elders first. The practice reinforces family ties and gives households an opportunity to welcome guests with sweets, fruit, tea, and other refreshments.
The term is transliterated in several ways, including did-o-bazdid and did-o-bazdid. It should not be confused with Sizdah Bedar, the outdoor gathering held on the thirteenth day, or Chaharshanbe Suri, the fire festival before Nowruz.