March 18 is the fifth day of Nauryznam.
Kazakhstanis celebrate National Dress Day. Ulttyk kiim kuni is a day when everyone remembers their ancestors and customs passed down from generation to generation. National Dress Day is not only an opportunity to express your individuality through an outfit, but also a chance to maintain the unity and cultural diversity of Kazakhstan.

Source : https://www.gov.kz/memleket/entities/upr-ump-kostanay/press/news/details/959926?lang=kk