The funeral ceremony will be held in Samarkand on September 3.
A state commission was formed to organize the event, Prime Minister Shavkat Mirziyoyev was appointed head of the commission. The commission also includes Uzbek Senate Chairman Nig'matilla Yo'ldoshev, Legislative Assembly Chairman Nurdinjon Ismoilov, other government ministers, and public figures.
Uzbekistan will also observe a three-day period of mourning for the deceased president starting September 3.
Karimov's death was confirmed by his daughter, Lola Karimova-Tillyaeva.
"He has left us… I'm picking my words and cannot believe myself," she wrote on Facebook.