It will be attended by scholars and cultural, seminary and academic figures and others.
Slated to begin at 10:30 am, the ceremony will be organized while fully observing the health protocols.
Ayatollah Taskhiri died of a heart attack at a hospital in the Iranian capital Tehran on Tuesday at the age of 76.
A renowned religious figure in the Muslim world, Ayatollah Taskhiri also served as head of the Islamic Culture and Relations Organization and advisor to the Leader on Muslim world affairs.
During the time he served as secretary general of the World Forum for Proximity of Islamic Schools of Thought, he made great efforts towards reinforcing unity among Muslims.
He wrote and translated tens of books on Islam and the Muslim world.